Filter
Top Products
iv
DISTRESS ALERT MESSAGE
PROCEDURE
Below is the procedure for transmitting a distress alert via radiotelephone. Transmit the
distress alert when a life-endangering situation occurs on your vessel.
1. Open the DISTRESS button cover and press the DISTRESS button more than four
seconds to show the following display, then release the DISTRESS button.
KEEP PRESSED FOR 2S
NATURE: UNDESIGNATED
POS:
12
°
34.0000 N
123
°
45.0000E AT 12:34
TELEPHONE
2182.0 kHz
Distress button
pressed!
DSC FREQ : 2187.5kHz
2. After the distress message has been transmitted, the following displays appear in order.
Wait for distress
acknowledgement.
TIME TO GO: 2M10S
NATURE: UNDESIGNATED
POS :
12 34.5678N
123 45.6789E AT 12:34
TELEPHONE
DSC FREQ :
2. 4. 6. 8. 12. 16. M
POS:
12 34.5678N DIST: 0nm
123 45.6789E AT 12:34
TELEPHONE
2182.0 kHz
NATURE: UNDESIGNATED
Distress acknowledge
message received.
CANCEL: STOP ALARM
When distress message is
acknowledged by coast
station (usually within
1 min to 2 min 45 seconds)
RESENDING
3. The audio alarm sounds; press the CANCEL key to silence the alarm.
4. Communicate with the coast station via radiotelephone as below.
Say MAYDAY three times.
Say “This is …” name of your vessel and your message sign three times.
Give nature of distress and assistance needed.
Give description of your vessel (type, number of persons onboard, etc.) and any other
information which may aid in rescue.
Note: If the distress message is not acknowledged by coast station, it will be transmitted
again after 3 min 30 seconds to 4 min 30 seconds.
For IC-302 (option) operation
1. Open the DISTRESS button cover and press the DISTRESS button more than four
seconds.
2. After the distress message has been transmitted, the length of the beep changes from
short to long.
3. Release the DISTRESS button.
4. Do step 4 shown in the Distress Alert Message Procedure above with the
radiotelephone.