tuning parameters - .net framework

MicroSim Frequently Asked Questions

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Tuning ParametersResusci Anne Skills Station

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Resusci_anne_skills-station_tuning_parameters_sp7012_UK.indd 1 25/01/08 10:51:21

Resusci Anne Skills Station

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Tuning parametersThis Chapter describes the configuration parameters available for customiza-tion of the Resusci Anne Skills Station. The parameters are located in the file "manikin.ini" in the Config folder in the installation path

The file contains the following sections:

Section Description[Visual] Defines the visual appearance of the application.[Courses] Select courses. All selected courses must be

passed to obtain a certificate.[AdultCompFeedback] and [InfantCompFeedback]

Define a number of audio feedback limits used during the execution of the adult and infant com-pression scenario respectively. If one of the limits is surpassed, an audio warning is given.

[AdultCompEvaluation] and [InfantCompEvaluation]

Define a number of limits used when evaluating whether a performed compression is good or not. Surpassing these limits will make the respec-tive part of the scenario fail.

[AdultVentFeedback] and [InfantVentFeedback]

Define a number of audio feedback limits used during the execution of the adult and infant venti-lation scenario respectively. If one of the limits is surpassed, an audio warning is given.

[AdultVentEvaluation] and [InfantVentEvaluation]

Define a number of limits used when evaluating whether a performed ventilation is good or not. Surpassing these limits will make the respective part of the scenario fail.

[AdultCprFeedback] and [InfantCprFeedback]

Define a number of audio feedback limits used during the execution of the adult and infant cpr scenario respectively. If one of the limits is sur-passed, an audio warning is given.

[AdultCprEvaluation] and [InfantCprEvaluation]

Define a number of limits used when evaluating whether a performed CPR cycle is good or not. Surpassing these limits will make the respective part of the scenario fail.

This document describes the parameters relevant for each of these 14 sec-tions. After two short sections on pass criteria and CPR configuration, two sections describe the parameters of the [Visual] and [Courses] sections. The remaining 12 sections of the ini-file share many common parameters. Because of this, all parameters of these sections are described in one section below. A table in the beginning of the section illustrates which parameters can be used in which of the 12 ini-file sections.



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Pass criteriaBefore listing and describing the configuration parameters, this section short-ly describes the formulas used to evaluate whether a scenario is a pass or fail.During a scenario, compressions and ventilations are measured and analyzed. Detailed parameters (as described in the last section of this document) set the criteria for how these compressions and ventilations must be performed in order for them to pass individually. Based on this, each compression and ventilation is marked as either “good” or “not good”.

Compression scenariosA compression scenario will pass if at least 'minComp' compressions have been performed and at least 'passScore' percent of these compressions are good. (Names like 'minComp' are parameters described below). If the 'tim-eout' parameter is defined, a compression scenario might fail if it contains a pause between two compressions that is longer than 'timeout'.

Ventilation scenariosA ventilation scenario will pass if at least 'minVent' ventilations have been performed and at least 'passScore' percent of these ventilations passed. If the 'timeout' parameter is defined, a ventilation scenario might fail if it contains a pause between two ventilations that is longer than 'timeout'.

CPR scenariosTwo different evaluation strategies can be used on CPR scenarios, depending on the value of the 'evalCycles' configuration parameter.

In both strategies the test is first divided into CPR cycles and in each cycle the row of ventilations evaluated. If at least 'loVentCorrectRow' ventilations are good the ventilation row is called "Correct". If at least 'loVentSufficient' ventilations are good the ventilation row is called "Sufficient".

If 'evalCycles' is true, the following strategy is then used: For each cycle the following is checked:

1. the number of compressions and ventilations are within the specified limits ('loCompRatio', 'hiCom-pRatio', 'loVentRatio', 'hiVentRatio')

2. at least 'passScore' percent of the compressions pass3. all ventilations rows are categorized as Correct or

Sufficient.4. the hands-off period between compression rows are

within the specified limit ('hiCompRowDelay') If all these requirements are met, the cycle passes.

If `hiCompRowDelayExceptions´ is set to a number larger than zero, this number of hands-off periods are allowed to exceed



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`hiCompRowDelay´ and still pass, as long as they are below `hiCompRowDelayExceptionsDelay .́

If at least 'minCycles' cycles are performed, and all cycles pass, and no pause between two compressions or ventilations is longer than 'timeout' (if 'timeout' is defined), the scenario passes.

If 'evalCycles' is false, the following strategy is used:The scenario will pass if:1. the total number of compressions (for all cycles) is at

least 'minComp'2. at least 'passScore' of these compressions pass3. the total number of ventilations (for all cycles) is at

least 'minVent'4. all ventilation rows are categorized as Correct or

Sufficient.5. all hands-off periods between compression rows are

within the specified limit ('hiCompRowDelay')6. If 'timeout' is defined, no pause between two com-

pressions or ventilations is longer than 'timeout'.

Configuring a CPR scenarioSetting the required number of compressions in a compression scenario only takes one parameter ('minComp'). If you would like to do the same in a CPR scenario, it requires substantially more parameters, which might be a little confusing. In order to make this clearer, this section list the parameters involved. The Adult CPR scenario is used as an example, but the lists also apply to the Infant CPR scenario.

CompressionsTo configure the compressions of a CPR scenario, the following parameters should be addressed:

In [AdultCprFeedback]nomCompRatioloCompRatiohiCompRatio

In [AdultCprEvaluation]loCompRatiohiCompRatiominCompminCycles



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VentilationsTo configure the ventilations of a CPR scenario, the following parameters should be addressed:

In [AdultCprFeedback]nomVentRatioloVentRatiohiVentRatio

In [AdultCprEvaluation]loVentRatiohiVentRatiominVentminCyclesloVentCorrectRowloVentSufficientRow

[Visual]Parameters in this section define the visual appearance of the application.

logoBannerValue Absolute or relative path to an imageDefault LogoBanner.jpgDescription The image will be used as logo banner on the top

of most dialogs. The banner should have a size of approximately 850x75 pixels.

maskImageValue bagMask, pocketMask, faceShield, or unprotectedDefault The barrier devices selected during installation.Description Several views contain an image of a manikin being

ventilated. This parameter can be used to customize these images to a preferred type of ventilation. The value can be a comma separated list of values, e.g. "bagMask, pocketMask". In this case, the user will be asked to select one of these mask images during login.

certNameValue TextDefault CPR CertificateDescription This text will be used as the name of the certificate

on the certificate screen (not the certificate itself).



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certFileValue Absolute or relative path to a HTM or SWF fileDefault certificate.swfDescription Used to format the printed certificate.

introVideoValue Absolute or relative path to an .flv fileDefaultDescription Intro video played when the application start. The

video will only be played for users that have not yet completed one of the tests. The video can be stopped by clicking on it. If this parameter is left empty, a standard Resusci Anne Skills Station video will be used.

allowCreateUserValue True or FalseDefault FalseDescription If True, this will display a button in the logon win-

dow, allowing the user to create a new account.emailSMTPValue IP addressDefault <Empty>Description If an SMTP address is specified, an email button will

be displayed in the certificate screen. Clicking this button will send the certificate as an attachment. Before the email is sent, a dialog will appear asking the user to enter a receiver email address. If the 'emailRecipient' parameter below is set, that address will be used as default in the dialog. Otherwise, the users own address will be used. The text in the email is copied from the file email.txt, which is found in the same folder as manikin.ini. Change the content of this file to customize the email message.

emailRecipientValue Email addressDefault <Empty>Description Use this parameter to specify a default email recipi-

ent to use when sending certificates by email. For more information see 'emailSMTP' above.



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emailSenderValue Email addressDefault <Empty>Description Use this parameter to specify a default email sender

to use when sending certificates by email. For more information see 'emailSMTP' above.

languagesValue One or more two-letter country codes, e.g. "en, us,

da, no"Default "The languages selected during installation."Description Use this parameter to select the languages to sup-

port. Only installed languages should be specified. More than one language can be specified. In this case, the user will be asked to select a language dur-ing login.

[Courses]Parameters in this section define the courses that should be passed to obtain a certificate.

courseAdultVentValue True or FalseDefault TrueDescription If True, the Ventilation course on the adult manikin

will be available.courseAdultCompValue True or FalseDefault TrueDescription If True, the Compression course on the adult mani-

kin will be available.courseAdultCprValue True or FalseDefault TrueDescription If True, the CPR course, combining ventilations and

compressions on the adult manikin will be available.courseInfantVentValue True or FalseDefault TrueDescription If True, the Ventilation course on the infant manikin

will be available.



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courseInfantCompValue True or FalseDefault TrueDescription If True, the Compression course on the infant mani-

kin will be available.courseInfantCprValue True or FalseDefault TrueDescription If True, the CPR course, combining ventilations and

compressions on the infant manikin will be available.

Feedback and evaluation parametersThis section describes the parameters of the following ini-file sections:

Ini-file section Abbreviation[AdultCompFeedback] and [InfantCompFeedback] CF[AdultCompEvaluation] and [InfantCompEvaluation] CE[AdultVentFeedback] and [InfantVentFeedback] VF[AdultVentEvaluation] and [InfantVentEvaluation] VE[AdultCprFeedback] and [InfantCprFeedback] CprF[AdultCprEvaluation] and [InfantCprEvaluation] CprE

The table below lists the parameters for these sections. In each column there is a mark to show which parameters can be included in that section (two sec-tions for each column as defined above).

Parameter CF CE VF VE CprF CprE -1loCompLevel x X x x xhiCompLevel x X x x xhiCompBaseLevel x X x x x

loCompRate x X x x xhiCompRate x X x x xhandPlacement x X x xloVentLevel x x x x xhiVentLevel x x x x xhiVentBaseLevel x x x x xloInflationDuration x x x x xhiInflationDuration x x x x x loVentRate x x x x x



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Parameter CF CE VF VE CprF CprE -1hiVentRate x x x x xnomCompRatio xnomVentRatio xloCompRatio x x xhiCompRatio x x xloVentRatio x x xhiVentRatio x x xtimeout x x x x x x xminComp x xminVent x xminCycles xhiCompRowDelay x x xloVentCorrectRow xloVentSufficientRow xheadTilt x xheadTiltHeuristics x xbarrierDevice x xstartsWithVent x xpassScore x x xevalCycles x

The last column ("-1") shows the parameters that can be disabled by setting them to -1.

loCompLevelUnit mmDefault 38.0 for adult scenarios, 23.0 for infant scenariosDescription Low compression limit

hiCompLevelUnit mmDefault 50.0 for adult scenarios, 30.0 for infant scaneriosDescription High compression limit

hiCompBaseLevelUnit mmDefault 5.0Description High relaxed compression limit (leaning)



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loCompRateUnit compressions/minuteDefault 90.0Description Low compression rate limit

hiCompRateUnit compressions/minuteDefault 115.0Description High compression rate limit

handPlacementUnit True or FalseDefault True for feedback, False for evaluationsDescription Use hand placement test.

loVentLevelUnit mlDefault 400.0 for adult scenarios, 35.0 for infant scenariosDescription Low ventilation limit

hiVentLevelUnit mlDefault 1000.0 for adult scenarios, 45.0 for infant scenariosDescription High ventilation limit

hiVentBaseLevelUnit mlDefault 100.0 for adult scenarios, -1.0 for infant scenarios.Description High relaxed ventilation limit

loInflationDurationUnit sDefault 0.5 for adult scenarios, -1.0 for infant scenarios.Description Low limit duration of inflation

hiInflationDurationUnit sDefault 2.0Description High limit duration of inflation

loVentRateUnit ventilations/minuteDefault 7.0 for adult scenarios, 10.9 for infant scenarios.Description Low ventilation rate limit



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hiVentRateUnit ventilation/minuteDefault 13.0 for adult scenarios, 24.0 for infant scenarios,

-1.0 for all CPR scenarios.Description High ventilation rate limit

nomCompRatioType IntegerDefault 30Description Correct compression ratio during CPR

nomVentRatioType IntegerDefault 2Description Correct ventilation ratio during CPR

loCompRatioType IntegerDefault 27Description Low compression ratio limit

hiCompRatioType IntegerDefault 31Description High compression ratio limit

loVentRatioType IntegerDefault 2Description Low ventilation ratio limit

hiVentRatioType IntegerDefault 2Description High ventilation ratio limit

timeoutUnit (s)Default -1.0 (Disabled)Description The maximum pause allowed in a test.

minCompValue IntegerDefault 60 in compression scenarios, 90 in CPR scenarios.Description Minimum number of correct compressions to per-

form in order to pass the test.



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minVentValue IntegerDefault 12 in ventilation scenarios, 6 in CPR scenariosDescription Minimum number of correct ventilations to perform

in order to pass the test.

minCyclesType IntegerDefault 3Description Minimum number of correct CPR cycles to perform

in order to pass the test.

hiCompRowDelayUnit sDefault 10.0 for feedback, 15.0 for evaluation.Description High hands-off (ventilation pause between compres-

sion rows) limit.

hiCompRowDelayExceptionsUnit IntegerDefault 0Description Number of hands-off periods that can exceed the

hiCompRowDelay, but is no longer than hiCompRo-wDelayExceptionsDelay.

hiCompRowDelayExceptionsDelayUnit sDefault 15.0Description High hands-off (ventilation pause between compres-

sion rows) limit, used by at most hiCompRowDe-layExceptions number of hands-off periods.

loVentCorrectRowType IntegerDefault 2Description The minimum number of good ventilations for a

ventilation row to be classified as correct.

loVentSufficientRowType IntegerDefault 1Description The minimum number of good ventilations for a

ventilation row to be classified as correct.



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headTiltUnit True or FalseDefault FalseDescription Use hardware based head-tilt detection

headTiltHeuristicsUnit True or FalseDefault TrueDescription Use software based head-tilt heuristics to detect

head-tilt

barrierDeviceUnit True or FalseDefault FalseDescription Set this to true if a barrier device is used. This

enables another set of voice feedbacks in case of too little air.

startsWithVentUnit True or FalseDefault True for ventilation scenarios, False otherwiseDescription If true, this will trigger a voice feedback ("Open

airways and give ventilations") at the beginning of a scenario. In a CPR scenario, this should only be seen as a recommendation, starting with compres-sions will still be accepted.

passScoreValue % (Integer)Default 70Description Minimal score to pass a test

evalCyclesValue True or FalseDefault FalseDescription If True, evaluate the number of passed cycles. If

False, use passed compressions / ventilatio



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