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Icom IC-M423 User Manual

Icom IC-M423
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24
7
DSC OPERATION
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Distress call
A Distress call should be transmitted if, in the opinion of the
Master, the ship or a person is in distress and requires im-
mediate assistance.
NEVER MAKE A DISTRESS CALL IF YOUR SHIP OR A
PERSON IS NOT IN AN EMERGENCY. A DISTRESS
CALL SHOULD BE MADE ONLY WHEN IMMEDIATE
HELP IS NEEDED.
Simple call D
Confirm no Distress call is being received. q
While lifting up the key cover, hold down [DISTRESS] for 3 w
seconds to transmit the Distress call.
•Whileholdingdown[DISTRESS],countdownbeepssoundand
both the key and display backlighting blink.
•DSC channel (Channel 70) is automatically selected and the
Distress call is transmitted.
After transmitting the call, the transceiver waits for an ac- e
knowledgment call.
•The Distress call is automatically transmittedevery 3.5 to 4.5
minutes, until an acknowledgement is received (‘Call repeat’
mode), or DSC Cancel call is made. (p. 27)
•Push[RESEND]tomanuallytransmittheDistressrepeatcall.
•Push []/[] then push [INFO] to display the transmitted Dis-
tress call information.
•Push[]/[] then push [PAUSE] to pause the ‘Call repeat’ mode,
push [RESUME] to resume it.
After receiving the acknowledgment, push [ALARM OFF] r
then reply using the microphone.
A distress alert default contains:
•Natureofdistress :Undesignateddistress
•Positioninformation:The latest GPS or manual input position
is held for 23.5 hours, or until the power is
turned OFF.

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Icom IC-M423 Specifications

General IconGeneral
BrandIcom
ModelIC-M423
CategoryTransceiver
LanguageEnglish

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