Icom IM323, Instruction Manual

Page: 33 / 100

23
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
While lifting up the key cover, hold down [DISTRESS] for 3
q
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-
w
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. 26).
฀ •฀Push฀[RESEND]฀to฀manually฀transmit฀the฀Distress฀repeat฀call.
฀ •฀฀Push฀ [
Ω
]/[
≈
] then push [INFO] to display the transmitted Dis-
tress call information.
฀ •฀฀Push฀[
Ω
]/[
≈
] then push [PAUSE] to pause the ‘Call repeat’ mode,
push [RESUME] to resume it.
After receiving the acknowledgment, push [ALARM OFF]
e
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.