ssb distress

8/21/2019 Ssb Distress

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Sending distress alert by DISTRESS button(Nature of distress not specified)

Open the DISTRESS button cover and press and hold down the [DISTRESS] button more thanthree seconds. The button flashes in red and the buzzer sounds rapidly. The display shows the

contents of the distress alert call: your ship’s nature of distress, position, time and the DSCfrequency over which the alert has been transmitted.

The number of seconds to continue pressing the [DISTRESS]

button appear at the bottom of the display. The buzzer sounds

continuously and the lamp in the button lights when the button h

been pressed three seconds. You can release the button at that

time.

The display changes as below. It takes about 40 seconds totransmit the distress alert, and the number of seconds untiltransmission is completed is shown at the bottom of the display. this time the output power of the radiotelephone is automatically

to maximum.

After the distress alert has been sent, the display changes as below and the audio

alarm is stopped. Wait to receive the distress acknowledge call from a coast statiowhich usually takes 1 to 2 min 45 seconds. (The [DISTRESS] button remains lit unthe equipment receives the distress acknowledge call from a coast station.) Thetimer counts down the number of minutes before next retransmission (if necessaryfrom 3.5 to 4.5 minutes, randomly set.

When the distress acknowledge call is received, the audio alarm sounds and thedisplay changes as below.

Communicate with the coast station via radiotelephone, following the instruction

below. The radiotelephone automatically sets working frequency and class of

emission, as specified in the distress acknowledge call.

a) Say MAYDAY three times.

b) Say .This is. (Name of your vessel and call sign three times).

c) Give nature of distress and assistance needed.

d) Give description of your vessel (type, color, number of persons onboard, etc



Sending distress alert by DISTRESS button(Nature of distress Specified)

Open the DISTRESS button cover and press the [DISTRESS]

button momentarily to show the following display. Rotate the[ENTER] knob to choose nature of distress and then push the

[ENTER] knob.

Push the [ENTER] knob to open the POS. menu. This is where you enter your position,

automatically or manually. The INPUT TYPE option, that is, the source of position data, is

selected to AUTO, MANUAL or NO INFO. For AUTO, if the position is correct, push the [ENTER]

knob twice and go to step 10. For manual input, or you do not know your position, go to step 4 .

Push the [ENTER] knob to open the INPUT TYPE menu.

Rotate the [ENTER] knob to choose MANUAL and then push the[ENTER] knob. If you cannot confirm your position, choose NOINFO, push the [ENTER] knob and then go to step 10. Push the[ENTER] knob to open the latitude input window. Use thenumeric keys to enter latitude (in four digits). (If necessary,switch coordinates: [1] key to switch to North; [2] key to switch to

South.) Push the [ENTER] knob.

Push the [ENTER] knob to open the longitude input window. Usethe numeric keys to enter longitude (in five digits). (If necessary,switch coordinates: [1] key to switch to East; [2] key to switch toWest.) Push the [ENTER] knob.

Push the [ENTER] knob to open the time input window.

The COMPOSE MESSAGE screen is redisplayed. Push the [ENTER] knob to open theCOM. TYPE menu.

Push the [ENTER] knob to open the DSC FREQ menu. Rotate the [ENTER] knob to choose aDSC frequency (normally 2187.5 kHz) and then push the [ENTER] knob.Press the [DISTRESS] button more than three seconds to send the distress alert.



SENDING A DSC CALL

1. Press the [2/DSC] key followed by pushing the [ENTER] knob to display the CALL TYPE menu.

2. Rotate the [ENTER] knob to choose ALL SHIPS and then

push the [ENTER] knob.

3. Push the [ENTER] knob to display the PRIORITY menu.

4. Rotate the [ENTER] knob to choose SAFETY or URGENCY as appropriate and thenpush the [ENTER] knob. (DISTRESS should be used only when there is a life endangerinsituation on board your vessel.)5. Push the [ENTER] knob to open the COM. TYPE menu.

6. Rotate the [ENTER] knob to choose appropriate communications mode and then push

the [ENTER] knob.

7. Push the [ENTER] knob to open the DSC FREQ menu .

8. Rotate the [ENTER] knob to choose frequency and then push the [ENTER] knob.

9. Press the [CALL] key to send the call. For safety and urgency call the display shows .Aships call in progress. For distress call, the display shows .Category distress transmits

sure? If you are sure to transmit with distress priority, continue pressing the [CALL] keytoshow "All ships call in progress!”.



DSC Individual Call

The individual call is for calling a specific station. After sending an individual call, called ACK RQtransmission, wait to receive the acknowledge back (ACK BQ) signal from the receiving station.

1. Press the [2/DSC] key and then push the [ENTER] knob to open the CALL TYPE menu.

2. Rotate the [ENTER] knob to choose INDIVIDUAL and then push the[ENTER] knob.3. Push the [ENTER] knob to open the STATION ID menu.

4. Use the numeric keys to key in the ID of the station where to send the call and then push

the [ENTER] knob.

5. Push the [ENTER] knob to open the PRIORITY menu.

6. Rotate the [ENTER] knob to choose appropriate priority(normally ROUTINE) and then push the [ENTER] knob.

7. Push the [ENTER] knob to open the COM. TYPE menu.

8. Rotate the [ENTER] knob to choose communications type desired and then push the[ENTER] knob.

9. For routine and business priority, push the [ENTER] knob to open the COM. FREQmenu.

10. Rotate the [ENTER] knob to choose communication frequency setting method desiredand then push the [ENTER] knob.

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