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ZN-188

Semi-auto Chemistry Analyzer

User’s Manual

ZENIX DiagnostisZENIX Diagnostis! "riloner #an$stra$e!



RT－9100 Semi-Automatic Biochemistry Analyzer Consumer Operating Instruction Manual

%or&ah -'E(MAN)

(e*：1+,e



ZN-188 User’s Manual

o. to use this manual/

It’s greatly a00reiate$ you &eome the user o ZN-188 Semi-auto Chemistry

Analyzer+

In order to get the best effect, you must be familiar with our instruments and their functions

before performing the clinical diagnostic tests

!his manual is the operating guidance of ZN-188 "emi-auto #hemistry $naly%er of Z&NI'

#ompany, which including the contents of instrument installation, daily test, (uality control,

and daily maintenance, etc $s to the users who uses e)ternal printer, please refer to the

user’s manual of e)ternal printer at the same time

*lease reser+e all the pacing materials for the use of deposit, transportation and

maintenance in the future

ou may contact with your distributor if there is any problem

As to the instruments o $ierent *ersion or oniguration! their untions

are slightly $ierent+

Note.Note. Indications, advices and suggestions. Italics are used to differ from each

other.

2arning3 2arning in$iations must &e o&eye$! so as to2arning3 2arning in$iations must &e o&eye$! so as to

ensure the normal o0eration o instruments an$ensure the normal o0eration o instruments an$

orret an$ real test results+ "ol$-ae is use$ toorret an$ real test results+ "ol$-ae is use$ to

ma4e the $ierene+ma4e the $ierene+

!




Signals use$ on the 0a4ing &o5

"

U0.ar$

Dam00roo

6ragile

Sta4




2arning an$ Saety In$iations

!his instrument is only used for in +itro diagnosis, please carefully read the following

warnings before the usage, and strictly obeys them

2arning7 lease areully rea$ the ollo.ing announements &eore using

this instrument+

Cut o the 0o.er soure at one i there is a&normal smells or

smo4es! an$ 0ull out the 0o.er 0lug rom the outlet+ At the moment!

you must imme$iately 0ro0ose test a00liations to the $istri&utors

an$ the agents o our om0any+ I it is ontinuously use$ un$er this

on$ition! it may ause ire! eletri sho4 or 0ersonnel asualty+

Neither &loo$ an$ reagent nor metal 0iees o sta0le an$ 0in shoul$

&e $ro00e$ into the instrument9 other.ise it .oul$ lea$ to short

iruit or smo4e an$ ire+ I there is something a&normal! ut o the

0o.er soure at one! an$ 0ull out the 0o.er 0lug rom the outlet+ At

the moment! you must imme$iately 0ro0ose test a00liations to the

$istri&utors an$ the agents o our om0any+

:0erators $on’t touh the eletri iruit insi$e the instrument!

es0eially .et han$s! .hih may &e easier to get eletri sho4+

(u&&er glo*es must &e 0ut on .hile maintaining an$ he4ing the

instrument! an$ 0resri0ti*e tools an$ s0are 0arts shoul$ &e use$+Ater inishing the o0eration! 0lease use $isineting li;ui$ soa0 to

.ash han$s+ :ther.ise! the 0arts o s4in that ontat .ith &loo$ may

&e inete$! eletrially in<ure$ or &urne$+

E5tremely &e areul .hile $ealing .ith sam0les+ (u&&er glo*es must

&e 0ut on! or it may ause inetion+ I the sam0le enters into eyes or

.oun$s! use a great amount o .ater to .ash at one! an$ ae0t the

he4u0 o $otors+

(eagent A00liation

I the reagent enters into eyes! use a great amount o .ater to .ash at

one! an$ ae0t the he4u0 o $otors+

I $rin4 the reagent at error! turn to the $otors imme$iately! an$ ta4e

a lot o .ater to *omit the reagent at the same time+

I han$ or s4in is staine$ .ith the reagent! lear .ith .ater at one+

=he use$ tu&es an$ other instruments shoul$ &e 0ro0erly $is0ose$

as the me$ial .astes or ineti*e .astes+ I the 0erson is staine$ .ith

&loo$! there is 0ossi&ility o &eing inete$ &y 0athogens+

#




o.er *oltage! onnetion an$ earthing

"e sure not to insert the 0lug into the eletrial outlet o alternating

urrent o*er ,,>?+ :ther.ise! it may ause ire or eletrial sho4+

2hen the instrument is installe$! three-ore 0o.er a&leaom0anie$ .ith the mahine must &e use$! an$ ensure it is .ell

earthing+ :ther.ise! it may ause ire or eletrial sho4+

"e sure not to $amage the isolation 0rotetion 0eel o 0o.er line+ Don

not 0ull the 0o.er line .ith e5ertion or hang hea*y things on it+

:ther.ise! it may ause &ro4en iruit or short iruit! thus lea$ to

eletrial sho4 or ire+

o.er soure must &e ut o .hen onnet the 0eri0heral

e;ui0ments+ :ther.ise! it may ause eletrial sho4 or trou&les+

S0eiiations o harmaeutial aairs la.7 It is or&i$$en to reit the

me$ial instruments+

$




Content

/ow to use this manual0

"ignals used on the pacing bo)2

3arning and "afety Indications4

1 5rief introduction of instrument8

11 *roduct introduction8

111 *roduct name8

11 Model8

112 *roduct features8

1 *roduct structure and composition8

12 *roduct applicability8

14 Instrument specifications6

17 Instrument installation1

171 Instrument 9pening and "ealing1

17 "elect proper position for the instrument1

172 *ower supply re(uirement1

174 #onnect instrument to power supply11

177 Install flow-cell11

1: Main structure121:1 ;ront +iew12

1: <eypad14

1:2 5ac +iew17

1:4 Internal printer17

1:7 ;low-cell and #u+ette17

1:: =amp and peristaltic pump1>

1:> *rinciple structure figure ?9nly for reference@16

9peration

1 *ower on

;unction introduction of main menu

2 /ow to operate the software01

4 "ystem settings1

7 "ample test

71 Item parameter settings

7 Item test8

2 Aeport27

21 "ample report272 Item report2:

%




22 #ontrol report2>

24 Belete Aecord28

4 *ower off 4

7 Maintenance41

71 9+er+iew41

7 #lean instrument41

71 #lean the surface of instrument41

7 #lean ;low-cell41

72 Instrument maintenance4

721 #hange fuse4

72 $dCustment of peristaltic pump tube4

722 #hange of aspiration tube4

74 "imple trouble shooting42

&




1+ "rie intro$ution o instrument

1+1+ ro$ut intro$ution

1+1+1 ro$ut name

"emi-auto #hemistry $naly%er

1+1+, Mo$el

ZN-188

1+1+@ ro$ut eatures

Monochrome =#B, &nglish menus

It has two test modes of single wa+elength and double wa+elength

;ollowing test methods can be pro+ided.

&ndpoint method （&ndpoint）

;i)ed time method （;i)ed time）

<inetics method （<inetics）

Bouble wa+elengh （Bichromatic）

$bsorbance （ $bsorbance）

Multi-calibration cur+e （Multi- #alibration）

It can perform sample analysis of serum, plasma, whole blood and urine, etc 9pen for reagent, and there is no specific restriction

Internal printer can print &nglish reports and programming parameters, etc

1+,+ ro$ut struture an$ om0osition

It is composed of optical system, pipeline system, computer control system and

software, etc

1+@+ ro$ut a00lia&ility

It is for the clinical tests of body blood and the tests of all inds of general biochemical

criterion of other body fluids

9




1++ Instrument s0eiiations

Aesolution 1$bs ?Bisplay@ , 1 $bs ?Internal calculation@

=ight source. /alogen tungsten lamp3a+elengh. !here are 7 filters inside. 24,47,7,74:,7>D !hree more

wa+elengh can be added as optional

!emperature control. $mbient temperature,7,2,2>℃

;low-cell . ;low-cell

Interface. A"-2 bidirectional communication

Bisplay. =i(uid crystal display

*rint. Internal printer

3or en+ironment. 1 -2 Drelati+e humidityE>F℃ ℃

"torage en+ironment. - -77 D relati+e humidityE62F℃ ℃

3eight. > g

9+erall dimensions. 2:mm?=@G218mm?3@G1:mm?/@

*ower supply. $#11HJ1F, 7H:/%J1/%

*ower input. 8$

;use type. K7G

;use specification. 217$H7

10




1+B+ Instrument installation

1+B+1 Instrument :0ening an$ Sealing

9pen the instrument pacage, and tae the materials used in transportation away

*reser+e the pacing bo) and materials well, and it’s con+enient for you to repac the

instrument someday in the future

!ae off the pacing materials, and tae the instrument out of the plastic pacage

#hec the articles inside the pacage bo), and confirm the following should be

included.

ZN-188 "emi-auto #hemistry $naly%er

User’s manual

*acing list *ower line

L# certificate

Note: The product accessories should be in accordance with the packing

list. Please contact with the distributor when the accessories are

found not right.

1+B+, Selet 0ro0er 0osition or the instrument

;ind a place without direct sunshine in your woring place !he surface of the selected

woring table should be flat, and there is enough space for placing ZN-188 Semi-auto

Chemistry Analyzer !he anterior edge of instrument should be near to the edge of

woring table $+oid comparati+ely large shae of woring table ?;or e)ample, put

hydroe)tractor on the woring table@

Note: The work environment of instrument is that temperature is between

10 !0 and relative humidit" is below #0$.℃ ℃

In order to guarantee the normal woring of instrument, the following places are

forbidden to be put on.

*laces with e)treme changes of temperature

*articularly hot or cold places

*laces full of dust

*laces nearer to the electromagnetic de+ices that produce magnetic field

*laces with direct sunshine

11




1+B+@ o.er su00ly re;uirement

$#11HJ1F

7H:J1 /%

8$

1+B+ Connet instrument to 0o.er su00ly

1）Insert one end of the power line into the outlet of instrument

）Insert the other end of the power line into the outlet of power supply

2arning7 Alternating urrent 0o.er must &e .ell earthe$ near-groun$

*oltageB?+

Alternating urrent 0o.er must &e sta&le+ It is 0rohi&ite$ to use 0o.er

su00ly .ith high-0o.er e;ui0ments together! an$ it’s &etter to e;ui0

.ith *oltage-regulate$ 0o.er su00ly+

In the area .ith unsta&le *oltage! 0lease use US 0o.er su00ly to

ensure the normal .or4 o instrument+

2hen 0o.er line is 0ulle$ out! you must hol$ 0lug itsel! not the

0o.er line+

I there is smo4e! a&normal smell or strange soun$ o instrument! ut

o the 0o.er at one! an$ ontat .ith the $istri&utor+

1+B+B Install lo.-ell

$s the shown in the following figure 1-1, turn the light source co+er open by hands

1




;igure 1-１ 9pen lamp co+er

1@ !ae off the adhesi+e tape used to fi) ;low-cell

@ !ae off the wrapping materials

2@ *ut the flow-cell into thermostatic bath4） "lightly insert the flow-cell in Mae the aspiration tube go through the fi)ing hole in the

machine, and let it ad+anced e)tend

7）#lose the lamp co+er

1!




2arning7

lease $on’t use han$s to touh the surae o the light inlet .in$o.

o 6lo.-ell! so as to a*oi$ lea*ing the li0i$ o han$s on the light inlet.in$o. an$ aeting the transmittany+

Ensure the as0iration tu&e is in the so4et! other.ise! it .ill ause

0ressure an$ &en$ aeting the test eets+ It’s easy to result in

ins0iriting &u&&les! an$ .ater &lan4 .ill &e high+

1+F+ Main struture

!his part e)plains the structure of all the parts of ZN-188 Semi-auto Chemistry Analyzer+

1+F+1+ 6ront *ie.

;igure 1-２ ;ront +iew figure

、*rinter co+er

、=amp co+er

、 $spiration tube

、 $spiration ey

、<eyboard

、*ower source indicating light

、=#B

1"




1+F+,+ %ey0a$

;igure 1-３ <eypad

Diretion 4ey7 #ursor mo+es in the screen of four

directions, up, down, left and right

a0er-ee$ing 4ey. ;eed paper by hand ?It is also

the shortcut ey for parameter printing@

(inse 4ey7 #lean the pipeline

E5it 4ey7 e)it the menu and cancel the operation

Ensure 4ey7 !o +alidate the input and sa+e

1#




1+F+@+ "a4 *ie.

;igure 1-４ 5ac +iew figure

1@ *arallel port for printer :@ ;use

@ A"-2 serial port >@ $# input

2@ A"-2 serial port 8@ ;an

4@ Brain port 6）5acplate label

7@ *ower switch 1@ *eristaltic pump

1+F++ Internal 0rinter

ZN-188 Semi-auto Chemistry Analyzer has internal special temperature sensiti+e printer

1+F+B+ 6lo.-ell an$ Cu*ette

1） $s shown in the following figure 1-５, open the lamp co+er

1$




;igure 1-５ 9pen the lamp co+er

Note: %hile turning the light source cover open, first "ou&d better

emphaticall" press the protuberant block of the two sides of the

cover, make both sides deform internall", and then open to the

cover according to the direction of following figure.

）Internal part of colorimetric system

1%




;igure 1-６ Internal part of colorimetric system

!hermostatic bath

;low-cell

2）Use cu+ette system

!ae flow-cell out of thermostatic bath *ut the cu+ette with samples into the thermostatic bath

$ll the test methods are the same with those of the test of flow-cell system

1+F+F+ #am0 an$ 0eristalti 0um0

1）9pen the lamp co+er

） 3hen changing lamps, pull off the connecting line of the lamp bracet and power

source, rotate out the fi)ing screws on the lamp bracet, tae out the lamp bracet,

change a new one, put it as the original way, and rotate the tightening screws on the

lamp bracet tightly #onnect the connecting line of light bracet and power source well2）=amp and peristaltic pump, as the following figure.

1&




;igure 1-> =ight source system

;igure 1-8 *eristaltic pump system

19




1+F+G+ rini0le struture igure :nly or reerene

;igure 1-6 *rinciple structure figure

0




:0eration

,+1+ o.er on

9pen the power switch on the bac of the instrument, se+eral seconds later, a menu as -1will appear in the screen.

;igure -1 !emperature control

$fter waiting the temperature control procedure for about three minutes ?select ESC ey on

the board, the system will stop temperature control, and directly enter the main menu of

software@, it will enter the main menu of system $s shown in figure -

;igure - Main menu of system

,+,+ 6untion intro$ution o main menu

1 !est. &dit the parameter settings, calibration settings and (uality control settings of

the test item, it will sa+e the parameters automatically after ensuring, and enter the

test process to perform item test

Aeport. *erform the data administration function of the test system Its functions

include printing by test and patient numbers, deleting the test results, and

searching the (uality control information of the current month

2 "ys "etup. "et up the basic system operations It includes printer settings, power

on and off, time settings, e)ternally connecting administration system to transmit

all the test data of the current day

4 *ower off. It is mainly used to wash the tubes after tests #onsumers can directly

cut off the power supply on the premise of ensuring the tubes are not needed to be

1

3aiting for temperature stable

1 !est

Aeport

2 "ys "etup

4 *ower 9ff

:-11-1 1:..8er1e




washed ?It is suggested to wash the tubes before e)it@

,+@+ o. to o0erate the sot.are/

!he number in front of the item name is in accordance with the number ey on the eypad,

it means the serial number, as well as the ey number of the corresponding operation ?;or

e)ample in the main menu if you press number ey 1 in the eypad, system will enter test

menu@D on the right side of the name means to use the left and right eys on <eyboard

to change the settings of parameters In the menu refers to use the up and down eys

on <eyboard to select the concrete menu item

,++ System settings

"ystem parameter is used to set the most basic parameters of the instrument, eg date

and time, etc *ress 4ey @, and enter the menu of system settings $s figure -2

;igure -2 "ystem settings menu

1+ rint settings

In the menu of system settings, press 4ey 1, the instrument will enter the following menu,

as figure -4

;igure -4 *rinter settings

!he instrument is e(uipped with an internal thermal-sensiti+e printer, and selects open and

close by ey on the board $t the same time, whether supporting instant print can beselected again during the test procedure ?$s to the detailed settings, please refer to the

print settings during the test procedure@

,+ =ime settings

In the menu of system settings, press 4ey ,, and the instrument will enter the following

menu, as figure -7

*rinter "tatus ： 9pen

*rinter "elect ： Internal

1 *rinter "etup

!ime "etup

2 Bata !ransfer

IB.:611




;igure -7 !ime setting

Use ey on the board to select the item needed to be changed, press Number ey to

change the current date or time, press EN=E( ey to sa+e, press ESC ey to turn bac to

the system settings menu

@+ Data transer

In the menu of system settings, press 4ey @ ?before this operation, ensure there is

communication cable inserted between the instrument and e)ternally connected *#, and

serial interface of the e)ternally connected *# is under the recei+ing condition@, the

instrument will enter the following menu, as figure -:

;igure -: Bata transferring

3hile the menu of figure -> appears, it indicates the data transferring is completed

;igure -> Bata transfer finish

,+B+ Sam0le test

"ample test includes item settings and item test Item settings includes test method, item

name, unit, temperature, wa+elength, blan, delay time, test time, and aspirate +olume,

range of normal reference +alue, factor, standard and (uality control, etc Item test is

composed of blan test, standard test, (uality control test and sample test, etc

,+B+1+ Item 0arameter settings

711 "elect test item

;igure -8 is the main menu of item selection, the first line is status column, and the

!

!ransferring




following three lines indicate item name and its corresponding serial number in orders ou

can use direction ey, number ey or name search to select items, the details is as

following.

;igure -8 Item selection menu

1@ "elect by direction ey. "elect items by up, down, left and right eys, the selected

item will be highlighted, and its corresponding number will display at the top-left of

the screen

@ "elect by input. !he input methods are displayed at the top-right of screen, they

are O12P and O$5#P respecti+ely, and use + ey to switch O12P means number

input, numbers can be inputted directly at the moment, it will automatically select

the item according to the serial number, and display with highlight O$5#P

manifests character input, input the characters according to the indication of

<eyboard, and it will display at the middle-top of screen $fter finishing the input,

press EN=E( ey to automatically select the corresponding item ?if there is no

corresponding item, there is no response@

71 Item parameters editing

"elect the obCecti+e item, press EN=E( ey, and the parameter setting of corresponding

item will be performed, as figure -6 and -1

"

Inde) ： 12

1 $5"

7 $=*

6 /5B/

, A#=

: =B/-*

1 $M"

2 $"!

> QQ!

11 $#*

4 =B/-=

8 #<-N$#

1 #<-M5

Item Name . $=!

Method . <inetics

Unit . umolH=

!emperature. 2>R#

3a+elength . 24

"ub 3a+elength . None

5lan . Aeagent

;actor . 1>4:

Norms /igh. 1

Norms =ow.

Belay !ime. 2

!est !ime . :

Becimal Bigits . 2

$spirate ol?ul@ . 7

"tandard "etup .

#ontrol "etup .




;igure -6 *arameter editing menu 1 ;igure -1 *arameter editing menu

5asic operation method.

1@ "elect the item which needs to be editedD mo+ing cursor by press on the

eyboard, the selected item will be highlighted to display

@ !o edit the settings $s to the selected item, if the right side displays , it means

to edit by ey If the right side displays , it indicates to enter the ne)t editing

menu by ey If the selected item has decimal point, it means decimal points

can be inputtedD otherwise, only integer can be inputted

2@ Luic turning page method 3hen the current page is ensured not to be re+ised,

directly press EN=E( ey to enter the ne)t page or item test process

4@ Item parameter print In the menu of item parameter settings, if parameter

selection is completed, press AE( to print this item parameter

7@ #lear Item parameter settings In the menu of item parameter settings, press DE#

ey will clear all the parameters and initialed with default +alues

:@ *ress EN=E( ey at the last page of item settings to automatically sa+e the

parameter settings, and enter item test process

"et all the parameters.

1@ Item name. !he system permits setting : test items, including 4> fi)ed items Users

can define items from 48 to :

@ Method. "elect test method, including endpoint method, two points method and

inetics method #hoose the method by ey

a） &ndpoint method. &ndpoint method refers that the reaction reaches the

endpoint after a period of time by mi)ing reagents and sample ?ie the color of

reaction fluid will not change, or the absorbance of reaction fluid will not

change@ $t the moment, test the absorbance +alue of the reaction fluid,

concentration of reaction solution can be gotten according to =ambert-5eer

=aw !he its of some test items re(uire using dual wa+elength to test, and in

this way, some interference factors can be erased !his instrument pro+ides

dual wa+elength test method

b） <inetics method. <inetics method refers to use photometer to continuously

test the absorbance +alue of reaction fluid after mi)ing reagents and sample

3hen the absorbance +alue begins linear changes, test its +ariance ratio 9n

the basis of =ambert-5eer =aw, concentration of reaction solution can be

obtainedc） !wo points method. !wo points method test is a special case of inetics

#




method test, ie when absorbance +alue begins to change in linear, measure

the absorbance difference +alue of the two points in the linear part, and thus

concentration of reaction solution is obtained

2@ Unit. "elect the test result unit, including > selectable units of mgH=, gH=, umolH=,

mmolH=, molH=, UH= and IUH=, etc #hoose the unit by ey4@ !emperature. "elect test temperature, including 4 selectable temperatures of ambient

temperature, 7, 2 and 2>, etc #hoose the temperature by ey

7@ Bominant wa+elength. #hoose the test dominant wa+elength according to the it

re(uirements, including 7 selectable wa+elengths of 24nm, 47nm, 7 nm, 74: nm

and 7> nm #hoose the dominant wa+elength by ey

:@ "ub wa+elength. "elect the test secondary wa+elength according to the it

re(uirements, and the system will fle)ibly implement dual wa+elength method by

setting secondary wa+elength It includes : selectable secondary wa+elengths of 24

nm, 47 nm, 7 nm, 74: nm, 7> nm and none 3hen single wa+elength is used to

test, secondary wa+elength must be set as none #hoose secondary wa+elength by

ey

>@ 5lan. "elect the blan testing, including none, reagent blan and sample blan

#hoose the blan type by ey In the endpoint method test, reagent blan and

sample blan can be selected according to the consumer re(uirements !wo points

method test can choose reagent blan, and inetics method has no blan settings

8@ ;actor. Input the calculati+e factors !he system supports direct inputting factors and

determining calculati+e factors by system calibration ?standard test@

6@ Norms high. !he inputted result is the +alue of norms high of the Cudgment e+idence

1@ Norms low. !he inputted result is the +alue of norms low of the Cudgment e+idence11@ Belay time. Input the delay time of the test process !he delay time is the time from the

tested fluid entering flow-cell to the start of actual test

Note:

In order to make the test samples balance temperature and eliminate

tin" bubbles in the flowcell, a certain time dela" is necessar".

'ost endpoint method tests, time dela" is ( seconds)

*inetics method below +( , time dela" should not less than 10 ℃

seconds) *inetics method below !0 , time dela" should not less than 1+ ℃

seconds)

*inetics method below !# , time dela" is no less than 1( seconds.℃

1@ !est time. Input the reaction time of the test procedure ?endpoint method does not

need this parameter@

12@ Becimal point. !he reser+ed digit after the decimal point of result !he ma)imum is 4

14@ $spirate +olume. !he aspirated solution amount of peristaltic pump !his parameter

$




indicates the amount of imbibed fluid to be tested each time In order to ensure the

accuracy of test, aspirate +olume is generally more than 4u= ?Qeneral items should

set as 7S=D the aspirate +olume of reagents with great pollution can be increased to

>S=@

Note: enerall", the aspirate volume of (00u- can ensure the cross

contamination ratio below 1$. The aspirate volume can be

increased or reduced, and it is concretel" regulated b" the number

input on ke"board.

17@ "tandard setup. "et calibration parameters #ursor points to O"tandard "etupP, press

ey to enter the setup menu of standard parameter according to the indications, as

figure -11

Method. !he calculation methods of standard test are linear regression and non-linear

regression respecti+ely #hoose by ey

Number of standards. !he number of standard preparations used in the standard test

process !he ma)imum is 8 to calibrate

Number of times of repeat. !he repeat times of the test of each standard preparation

"tandard concentration. "tandard preparation concentration used in the standard test

process

;igure -11 "tandard parameter setup menu

Note:

%hen nonlinear regression is selected, the number of standard

should be more than !, otherwise calibrate according to the linear

regression method)

%hen more than two standards are selected, the repeated number is

uniforml" managed according to single time)

%hen more than three standard concentrations are inputted, it must

be inputted b" progressive or degressive method) otherwise the

calibration is not successful. uring the treating process of standard

%

Method . =inear

Num of "!B . 1

Num of Aepeat. 1

#oncentration . 122




parameter, the s"stem will indicate the third started standard

concentration range, as figure +1+. The s"stem will /udge the

progressive or degressive tendenc" automaticall" according to the

order, and the third started concentration range will be indicated at

the right side.

;igure -1 "tandard concentration menu

$fter setting all the parameters, press ESC and EN=E( ey to automatically sa+e

parameters and return to the main menu of parameter settings, therefore, correct

standard parameters must be inputted

1:@ #ontrol setup. "etup (uality control parameters !he cursor refers to O#ontrol "etupP,

press ey to enter the settings menu of (uality control parameters according to the

indications, as figure -12

Luality control preparation. !he system can set two (uality control preparations"elect by ey ?in the settings menu of (uality control parameter, press ey

to select (uality control preparations in cycle@

Mean. "tandard concentration of (uality control preparation

"B. "tandard de+iation of (uality control preparation

5atch number. #orresponding batch number of (uality control

;igure -12 Menu of (uality control parameters

$fter setting all the parameters, press ESC or EN=E( ey to automatically sa+e the

parameters and return to the main menu of parameter settings, therefore, correct (uality

control parameters must be inputted

712 *arameter print

Under the main menu of parameter settings, as figure -6 or figure -1, press AE(

ey to print the parameter of the current item

&

Method . =inear

Num of "!B . 2

Num of Aepeat. 1

#oncentration2. 122 T#on

#ontrol No . 1

$+erage alue . 122

"B. 5atch No . :>61




$fter finishing setting all the parameters and ensuring, press EN=E( ey to automatically

sa+e parameter settings and enter item test process, thus it must be ensured to input the

correct parameters *ressing ESC ey will turn bac to the item menu without sa+ing

714 Item user-definition!he instrument can sa+e : test items, including 4> fi)ing items and 12 user-defined itemsD

meanwhile, item user-definition also can be implemented directly on the basis of 4> fi)ing

items !he concrete user-defined methods are as following.

1@ Mo+e cursor to the ONameP column of parameter settings $t the moment, item name is

highlighted, or displayed as cursor symbol ?no item name@D

@ Birectly input item name according to the character inde) figure on eyboard, and the

name includes 7 characters at the most Buring the inputting process, it will

automatically ascertain characters at the inter+al of 2 seconds, and indicate inputting

ne)t characterD

2@ Buring the inputting process, press DE# ey to delete the inputted charactersD

4@ "et item parameters, press EN=E( to automatically sa+e the user-defined item name

and parameters, and enter test process

,+B+,+ Item test

$fter setting item parameters, press EN=E( ey to automatically sa+e parameter settings,

and enter item test process ;irst, the system will switch light filter according to the set

wa+elength, and e(uip with other information !he output information is as figure -14 !he

switching time is +ery short, generally, se+eral seconds, and automatically enters

temperature control

;igure -14 Item switch indication

$fter finishing item switch and information e(uipment, the system will enter temperature

control, as figure -17 !emperature control time is set on the basis of the temperature

difference before and after item switch It’s usually within se+eral seconds to 2 minutes

*ress ESC ey to cancel temperature control and enter blan test

9

"witching

3aiting for temperature stable




;igure -17 !emperature control condition

71 5lan test

$fter finishing item switch and temperature control, the system automatically enters blan

test process $ccording to the settings information of parameter, the system will selectwhether performing reagent blan 3hen the blan settings in the parameter settings menu

selects no blan or sample blan, blan test will Cust perform water blan 3hen reagent

blan is selected, blan test will perform water blan and reagent blan

;igure -1: 5lan test

$s figure -1:, perform water blan first, and indicate “;eed pleaseP in the column of

water blan *repare distilled water and press aspiration ey, the system will automatically

test, and output the results of water blan 3hen the +alue of water blan is too big, it will

indicate O;eed *lease AedoP, as figure -1> $t the moment, water blan must be done

again If it still indicates O;eed *lease AedoP after many times of repeat, it is suggested to

chec whether the light path is loosen

;igure -1> 3ater blan abnormality

$fter testing water blan, it will automatically enter reagent blan, aspirate reagent

according to the indications, test the system, and output the results

$fter testing reagent blan, no ey is needed to be pressed, the system will automatically

enter test selection menu waiting for se+eral seconds, as figure -18 #ursor points to

Osample testP in absent condition, and select by ey *ress EN=E( ey to enter the

corresponding test process, and press ESC ey to return to this test selection menu in the

corresponding test menu

!0

Item Name ： $=!

3ater5lan ：Aeag5lan ：

;eed*lease ！

Item Name ： $=!

3ater5lan ：Aeag5lan ：

;eed*lease ！

Aedo

"tandard !est

： <V1>4:#ontrol !est ：

"ample !est ： "ure？




;igure -18 !est selection menu

7 "tandard test

"ystem is able to obtain the standard factors through two methods 9ne is inputting factors

while setting parameters, at the moment, O<V)))P will be displayed in the test selection

menu, as figure -18 !he other method is getting standard factors by standard test !his

section will introduce the basic process of standard test in details

1@ !est selection

Under the test selection menu, mo+e cursor to O"tandard !estP, and the typeface is

highlighted at the moment "ystem Cudges whether the settings of standard parameter is

correct If the settings are wrong, it will display ONoneP, which means standard test is not

needed or wrong, as figure -16?a@ If the settings are correct, it indicates O"ure0P, as figure

-16?b@, ensure whether standard test is to be performed If it is ensured, please press

EN=E( ey to enter test procedure, otherwise mo+ing cursor to select other tests, or press

ESC ey to return to the main menu

?a@ "tandard parameter has errors ?b@ "tandard parameter is correct

;igure -16 standard test selection

@ !est operation

$fter entering standard test procedure, standard test menu as figure - will appear

$mong them, O!estP displays the item name of current test OInde)P displays the serial

number of current standard fluid, and the corresponding concentration +alue is shown on

the right side ;or e)ample, O#on. #V122P, please ensure whether the solution with the

same concentration is inputted before aspirating standard fluid O"tatusP manifests the test

process schedule and test results O;eed pleaseP, OtestingWP and Osa+e0P are displayed

one by one in the middle-down area of menu !he concrete test procedure is the same

with item test processD please refer to the specific operation of item test

!1

"tandard!est ：#ontrol !est ：

"ample !est ：

None "tandard!est ：#ontrol !est ：

"ample !est ：

"ure？

!est ： $=!

Inde) ： 1

"tatus ：

;eed *lease

#on ：#V122




;igure - standard test menu

2@ !est sa+ing

$fter aspirating the corresponding standard fluid according to the steps, system will

calculate standard factors at real time !he calibration < and b +alues will be displayed inthe column of Otest resultP, and it will indicated Osa+e0P in the condition column of system

*ress EN=E( ey to sa+e the calibration result, and all the following item tests are

calculated on the basis of this calibration result till resetting standard factors or

recalibrating and sa+ing, as figure -1 *ress ESC ey to cancel the sa+ing, and directly

enter item test process Meanwhile, all the following item tests are calculated according to

the factors before calibration If it is needed to calibrate again, please select O"tandard

!estP in the test selection menu to perform calibration $s figure -18

;igure -1 standard test sa+ing

72 Luality control test

1@ !est selection

In the test selection menu, mo+e cursor to O#ontrol !estP, and the typeface is highlighted at

the moment 9n the right side, it displays that the system can select (uality controlpreparation, and chooses by ey on the e)treme right side

"ystem supports single (uality control and double (uality control, select by ey, and

mae the selected (uality control preparation highlighted, as figure -?a@ 3hen double

(uality control is chosen, continuously press ey till two of the (uality control

preparations are highlighted together, as figure -?b@

&nsure the selected (uality control preparation, press EN=E( ey to enter the menu of

(uality control test, as figure -2

?a@ "elect single (uality control ?b@ "elect double (uality control

;igure - Luality control test selection

@ !est operation

$fter entering the process of (uality control test, the menu of (uality control test, as figure-2, will appear $mong them, O!estP displays the item name of current test OInde)P shows

!

!est ： $=!

Inde) ： 1

Aesult ：

"a+e0？

#on ：#V122<V1>4:>8 bV1

"tandard !est：

<V1>4:#ontrol !est ：

"ample !est ：

#9NX1 #9NX "tandard !est：

<V1>4:#ontrol !est ：

"ample !est ：

#9NX1 #9NX




the serial number of the current (uality control solution, and the corresponding (uality

control batch number is manifested on the right side ;or e)ample, O5atch. >:61P, please

ensure whether (uality control preparations with same batch number are inputted before

aspirating (uality control solution O"tatusP displays the progress of test process and test

results O;eed pleaseP, OtestingWP and Osa+e0P are displayed one by one in the middle-down area of menu !he detailed test procedure is the same with item test processD please

refer to the specific operation of item test

;igure -2 Luality control test menu

2@ !est sa+ing

$fter aspirating the corresponding (uality control solution according to the steps, system

will calculate the results on real time Luality control results are displayed, and (uality

control conditions are Cudged in OAesultP column ?O#"BP means (uality control result is

larger than the +alue of two "B, otherwise, this information will not be displayed@, and it isindicated Osa+e0P in the system condition column $fter ensuring (uality control is effecti+e,

press EN=E( ey to sa+e (uality control results 3hen double (uality control is selected,

test the two (uality control preparations in order $spirate corresponding (uality control

solution according to the indication, and +alid (uality control results are sa+ed ?9nly one

(uality control result of the same item and same batch number is sa+ed e+eryday@, as

figure -4 *ress ESC ey to redo (uality control $fter (uality control test, system will

automatically sip to the test selection menu and point to item test, as figure -18

;igure -4 Luality control test sa+ing

74 "ample test

In the test selection menu, cursor points to O"ample !estP in absent condition, and it isdisplayed by highlight *ress EN=E( ey to enter sample test procedure

!!

!est ： $=!

Inde) ： 1

"tatus ：

Feed Please

5atch ： >:61

!est ： $=!Inde) ： 1

Aesult ：

Sa*e？

5atch ：>:61#V>7>8 #"B




1@ !est operation

3hen sample blan is selected during the parameter settings, sample blan is performed

first before sample test, as figure -7?a@ 3hen no blan or reagent blan is chosen, it hasalready been finished during the former blan test, and it will directly enter test menu, as

figure -7?b@

O5lanP and O!estP will display the item name of current test O

Oprint onP or Oprint offP on the right upper corner of the window means to open and

close the online print function by ey, which refers to immediately print results after

finishing the test It only can be changed on the condition of waiting for aspirating fluid

OInde)P displays the ne)t sample number to be tested, it can be changed before the

test, and it will indicate O#orrect0P by highlight on the right side of the corresponding

column It is suggested to ensure whether the number is correct before the test,

otherwise, the former test result will be automatically o+erlapped by the same item and

same number

O"tatusP displays the progress of test process, and OAesultP indicates the test

absorbance and concentration

O;eed pleaseP, O!estingWP and O*rintingWP are displayed in order in the middle-down

part of the condition column, please inCect the sample or wait for the test according to the

indications 3hen O9+erlapped0P appears after testing, it is need to mae sure whether to

o+erlap the same sample of the +ery day EN=E( is input directly will o+erlap, or a new

sample number is input before EN=E( will sa+e as the new sample

?a@ "ample blan ?b@ "ample test

;igure -7 "ample test menu

@ !est process

!ae no sample blan ?select no blan or reagent blan@ as an e)ample, the procedure and

related operations are introduced in details If sample blan is selected, sample blan will

be performed before each item test, and automatically enter sample test to wait for

aspirate the test sample Its operation is completely the same with that of the sample test

a） #onfirm sample number ?the displayed sample number is the number of the

sample to be tested@, and open or close online print function by ey, as figure

-7

b） 9n the condition of O*lease ;eedP, prepare the test sample, press aspiration eyto imbibe sample preparation "ystem will imbibe the fluid according to the set

!"

5lan ： $=!

Inde)："tatus ：

;eed *lease

#orrect010

*rint 9n !est ： $=!

Inde)："tatus ：

;eed *lease

#orrect010

*rint 9n




aspirate +olume, and automatically enter test process O!estingWWP will be

displayed in the condition column, and the test progress is indicated by seconds

in O"tatusP column, as figure -:

;igure -: "ample test condition

c） $fter finishing test, the test results are automatically sa+ed ?if this item already

has the test result of the same sample number on that +ery day, O9+erlapped0P

will appear and wait for responding EN=E( will o+erlap, but a new number and

EN=E( will sa+e as the new sample@ Meanwhile, the sample number will

increase one automatically as the number of ne)t test sample, which is pro+ided

to the consumers to re+ise O

d） *rint the results If online print function is selected, open or close by ey under

the condition of waiting for imbibing fluid

e） 3hen the current sample test and print are completed, the sample number will

increase one, and enter the condition of waiting for fluid aspiration of ne)t sample

test

f ） *erform according to the indications, it can continuously test samples 3hen

(uality control, calibration or e)it is needed during the test procedure, press ESCey to return to the test selection menu, and choose the related operations

!#

!est ： $=!Inde)："tatus ：

!esting

1

1




@+ (e0ort

Aeport is mainly in charge of the test results and the (uality control test of the current

month Meanwhile, perform the basic functions of data search, print and delete, etc

In the main menu of system, press , ey to enter administration menu, as figure 2-1

!hey are sample report, item report and control report respecti+ely, and the corresponding

function modules are entered by number ey 1 , , and @

"ample report. "earch the test results according to the date and sample numberD

Item report. "earch the test results according to the date and item numberD

#ontrol report. "earch the (uality control results according to the month, item number and

batch number of (uality control

;igure 2-1 $dministration function selection

Note: N1 can save ++00 test results at the most. 2"stem has data

renew abilit" b" itself. %hen the test data e3ceeds the s"stem

storage capacit", s"stem will automaticall" delete parts of the old data. 4t the same time, s"stem will have the related indications

during the renewing procedure. Please wait for a moment, it can

automaticall" complete, and start test again.

@+1+ Sam0le re0ort

Input time range and sample number to search for the test results Input start date and end

date respecti+ely, meanwhile, the end date must behind the original date or the same day

Input the sample number to be searched in O"ample NoP O-O means from $ number to 5

number, and 5 must not be less than $ at the same time 3hen $ e(uals to 5, single

!$

1 "ample Aeport Item Aeport

2 #ontrol Aeport




sample will be searched $s figure 2-, it will search the test results of sample 1, and 2

tested on No+ember, 6th, :

;igure 2- "ample report search

$fter inputting time range and sample number, press EN=E( ey to search the results met

the conditions If no related record is searched, ONoneP will be displayed on the right-down

of the window, as figure 2-2?a@ If the related record is searched, all the condition satisfied

records will be displayed, as figure 2-2?b@

?a@ No record ?b@ #ondition satisfied records

;igure 2-2 "ample search condition

In the display window of searched results, as ;igure 2-2?b@, se+eral following modes of shortcut ey are defined.

• *age upHdown. $ single page only can display 2 records, and the records of more pages

can be displayed by turning pages with ey

• *rint. *ress EN=E( ey to print all the searched results

• Belete. *ress DE# ey to delete all the searched results

• Aeturn. *ress ESC ey to turn bac to the search window

Note: The 5remark5 in displa" and print report: Normal condition is nodispla". 565Test result higher than the ma3imum reference

value, 5-5 Test result lower than the min reference value.

@+,+ Item re0ort

Input time range and item number to search the test results Input start date and end date

respecti+ely, meanwhile, the end date must behind the original date or the same day with

the start date Input the searched item number in Oitem NoP, and display the item name

corresponding to the number on the right side at real time 9therwise, input the characters

in character mode when O$5#P appears on the upper-right side of screen <ey + is used to

!%

;rom ： :-11-6

!o ： :-11-6"ample No ：1-2

;rom ： :-11-6

!o ： :-11-6

"ample No ： 1-2 None

Inde) Item Aesult Aemar

1

2

$=!

$=!

$=!

1268

12212

1268




switch number and character input mode $s ;igure 2-4 It will search for all the results of

$=! item tested on No+ember, 6th :

;igure 2-4 Item report search

$fter inputting time range and item number, press EN=E( ey will search the condition

satisfied records If no related record is searched, ONoneP will be displayed at the lower-

right of the window, as ;igure 2-7?a@ If the related records are searched, all the satisfied

records will be displayed, as ;igure 2-7?b@

?a@ No record ?b@ #ondition satisfied records;igure 2-7 Item search condition

In the display window of searched results, as ;igure 2-7?b@, se+eral following modes of

shortcut ey are defined.

• *age upHdown. $ single page only can display 2 records, and the records of more pages

can be displayed by turning pages with ey




Note: The 5remark5 in displa" and print report: Normal condition is no

displa". 565Test result higher than the ma3imum reference

value, 5-5 Test result lower than the min reference value.

@+@+ Control re0ort

Input month, item number and (uality control batch number to search the results of (uality

!&

;rom ： :-11-6

!o ： :-11-6

Item No ： $=!

;rom ： :-11-6

!o ： :-11-6

Item No ： None $=!

Inde) Item Aesult Aemar

1

2

$=!

$=!

$=!

1268

12212

1268




control Input test date, input the searched item number in Oitem NoP, and display the item

name corresponding to the number on the right side at real time ?input characters in

character mode switched by ey + @ Input the re(uired (uality control batch number in

O5atch NoP $s ;igure 2-: It will search for the (uality control results of $=! item with the

batch number of >:61 on No+ember, :

;igure 2-: #ontrol report search

$fter inputting month, item number and (uality control batch number, press EN=E( ey

will search the records meet the conditions If no related record is searched, ONoneP will

be displayed at the lower-right of the window, as ;igure 2->?a@ If the related records are

searched, all the satisfied records will be displayed, as ;igure 2->?b@

?a@ No record ?b@ Aecords meet conditions

;igure 2-> Luality control search condition

In the display window of searched results, as ;igure 2->?b@, se+eral following modes of

shortcut ey are defined.

• *age upHdown. $ single page only can display 2 records, and the records of more

pages can be displayed by turning pages with ey




!9

!est Bay ： :-11

5atch No ： >:61

Item No ：

$=!

!est Bay ： :-11

5atch No ： >:61 None

Item No ：

$=!

Inde) Aesult 5atch

1 >:611268




Note: The 5remark5 in displa" and print report: Normal condition is no

displa". 575 means that the test result e3ceeds +2.

@++ Delete (eor$ $ll test result and control result of the e(uipment can be cleared with this command, or

delete test result and (uality control respecti+ely, as ;igure 2-8

;igure 2-8 Luality control search condition

/ere will delete all the test results or (uality control results 9ne record can be deleted

respecti+ely as described at section 2 or section 22

"0

!est Aesult

Luality #ontrol




+ o.er o

$fter finishing all the tests, turn bac to the main menu, press 4ey to perform the power-

off program 3hen the screen displays as ;igure 4-1, press EN=E( ey ?if press ESC ey,

it will not be power off, and return to the main menu@

;igure 4-1 #onfirmation of power off

3hen system displays as ;igure 4-, it indicates aspiration of distilled water, and cleaning

flow flow-cell

;igure 4- #lean flow flow-cell

$t the moment, prepare enough distilled water, press As0iration ey or (INSE ey, clean

flow-cell $s the display of ;igure 4-2

;igure 4-2 Indication of cleaning procedure

"1

*ower 9ff ？

Ainse

;eed *lease

Ainsing




$fter cleaning flow-cell, the system displays O#ut off pleaseP $s the display of ;igure 4-4

;igure 4-4 *ower off

!urn off power switch

B+ Maintenane

B+1+ :*er*ie.

ZN-188 Semi-auto Chemistry Analyzer is a clinical precise analy%er, and daily

maintenance wor must be well done to eep the instrument in a good condition !he

maintenance of ZN-188 Semi-auto Chemistry Analyzer is +ery simple, but it must be

serious and careful

B+,+ Clean instrument

B+,+1+ Clean the surae o instrument

Y <eep the clean of instrument woring en+ironment

Y Neutral cleaner and wet cloth can be used to clean the surface of instruments

Y *lease use soft cloth to clean the li(uid crystal display

2arning7 lease $on’t let any sol*ent! li0 an$ erosi*e material touh the

instrument+

B+,+,+ Clean 6lo.-ell

;low-cell must be ept clean, so as to ensure the accuracy and reliability of the test results

1、Clean the outsi$e o lo.-ell

a） ;low-cell must be placed according to the re(uirements ?refer to 177@

b） If the outside of flow-cell is polluted, soft cloth moistened with dehydrated alcohol

can be used to slightly clean

,、Clean the insi$e o lo.-ell

c） *ut the container with distilled water under the aspiration tube, press (INSE ey,

and start the continuous washing function *ress (INSE ey again, and washing

is finished It is usually continuously washed for half a minute

d） Qlassware cleaner, or dilute hydrochloric acid ?1N@, !ween diluents ?-2

"

#ut off please




dropsH=@ is used to clean flow flow-cell *ress (INSE ey, aspirate cleaner, press

(INSE ey again to stop the rotation of peristaltic pump, mae cleaner stay in

flow-cell for 7 minutes, and finally use distilled water to continuously wash for 1

min If it is not cleaned after washing once, cleaner can be used to wash again

;low-cell must be cleaned under the following conditions.

• $t the moment of power on, the different +alue of water blan is too big

• #hange test items

• 5efore power off

2arning7 Don’t lea*e the reation lui$ or other 0ollutants in the lo.-ell

or a long time+

B+@+ Instrument maintenane

B+@+1+ Change use

;use is installed in the fuse bo) beside the power switch of the bac of the instrument,

open the bo) cap, and it’s +ery con+enient to change the fuse

6use s0eiiation7 ,B>?! @+1BA+

Users are suggested to use +oltage regulated power supply

2arning7 Must use the use o the s0eiiations a&o*e+

2hile the onsumer is hanging uses! he must ensure the 0o.er

a&le is 0ulle$ out+ 6or&i$ to o0erate .ith eletriity3

B+@+,+ A$<ustment o 0eristalti 0um0 tu&e

$fter the instrument is used for half a year, the position of peristaltic pump can be adCusted

!he methods are.

• Aotate the loc catch of peristaltic pump tube clocwise, and open the bacplate of

pump tube• !ae off the peristaltic pump tube

• =oose the fi)ing steel wire on the connecter of pump tube, rotate the pump tube for

18, and then refi) the steel wires

• Install the pump tube well, and loc ?rotate the loc catch of peristaltic pump

counterclocwise@

Note: If the pump tube is not installed well, the instrument will not

aspirate.

"!




B+@+@+ Change o as0iration tu&e

If aspiration tube ?or flow flow-cell@ is bloced by miscellaneous obCects, syringe can be

used to clean and dredge If the damage or bloc of aspiration tube is serious, you can

change an aspiration tube !he methods are. *ull flow flow-cell out

Aemo+e the aspiration tube at the entrance, and change a new aspiration tube $t

one end of the new aspiration tube, compass tube ?the middle@ is sheathed first,

and then fi)ing tube ?the thicest@ is sheathed *ay attention to lea+e 1cm outside

the compass tube ?as the display of figure 7-1@

;i) the fi)ing tube to the entrance of flow flow-cell

;igure 7-1 $spiration tube connecter at the entrance of ;low ;low-cell

B++ Sim0le trou&le shooting

=rou&le Shooting

1） $naly%er can not be started [[#hec whether the instrument is on switch

[[#hec whether the power plug is loose

[[#hec the fuse

[[#hec the +oltage

@ !he lamp of photometer is not lighted [[#hec power supply before changing lamps

[[If lamp is damaged, change lamp

2@ Internal printer can not print [[#hec whether the plug is normally connected

4@ !here is no fluid in the low flow-cell [[#hec whether peristaltic pump is normally

""

Compass

tu'e

(i)ing tu'e

$spirationtube




running

[[ #hec the connection of the interfaces of aspiration tube and

flow flow-cell, etc

[[$spiration tube is too long or too short

[[ $spiration tube may be bloced, and it should be cleared anddredged

[[;low ;low-cell is +ery dirty

7@ !here is no reading on the photometer [[#hec whether the bulb of photometer is

lighted

[[!ry another wa+elengh to read

[[;low ;low-cell is not inserted to the bottom

:@ !he difference +alue of water blan is too big [[#lean flow-cell

[[#hange new distilled water

[[#hec the bulb of photometer

>@ !he result reproducibility is low [[!here are bubbles inside the flow-cell, and it

should be washed

[[#hec the aspiration condition of flow-cell

[[!he usage amount of reagent is too little, and the dosage

should be increased[[#hange the bulb of photometer

[[Aeaction fluid is polluted

[[ !he insertion of aspiration tube in the flow-cell is relati+ely

deep, and pulls it out slightly

8@ !he aspirate +olume of flow ;low-cell is not constant [[#hec whether aspiration

tube is bloced

[[*eristaltic pump tube may be changed

6@ Luality control is not within the target +alue range [[#hec the +alid date of

reagent

[[#hec whether the settings are correct, and whether it need

re+ise parameters

[[Mae sure (uality control is not polluted

[[Measure again with other methods

[[#hec flow flow-cell, and use the other reagent and (uality

control to measure again

"#




Note: Instruments of different versions ma" have slight changes. 4ll

these changes are performed on the premise of not affecting the

functions and operation of instrument, consumers can take it eas"

to use it.

manual book rayto md50

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