![background image](http://html1.mh-extra.com/html/icom/im423/im423_instruction-manual_4301608035.webp)
26
7
DSC OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
After transmitting the call, the transceiver waits for an ac-
t
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 [
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 an acknowledgment call, push [ALARM
y
OFF] then reply using the microphone.
A distress alert contains:
➥
• Nature of distress : Selected in step
w
.
• Position information : The latest GPS or manual input position
is held for 23.5 hours, or until the power is
turned OFF.
When no GPS receiver is connected, and both position
and time have been manually programmed, the screen as
shown below appears. Edit your latitude and longitude po-
sition and UTC time as follows:
Push [CHG], then edit your latitude and longitude posi-
➥
tion and UTC time.
• Select a desired number using Dial, or [
Y
]/[
Z
]/[
Ω
]/[
≈
].
• Push [ENT] or Dial to set it.
• To move the cursor, select either arrow, “
←
” or “
→
,” then push
[ENT] or Dial.
• Select N (North latitude) or S (South latitude) when the cursor
is on the ‘N’ or ‘S’ position.
• Select W (West longitude) or E (East longitude) when the cur
-
sor is on the ‘W’ or ‘E’ position.
Summary of Contents for iM423
Page 98: ...89 10 CONNECTIONS AND MAINTENANCE Gasket Mounting base Cap Nut...
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Page 105: ...MEMO...
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