![background image](http://html.mh-extra.com/html/icom/ic-m402/ic-m402_instruction-manual_612788018.webp)
12
6
DSC OPERATION
■
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 imme-
diate assistance.
• All keys, switches and controllers on the transceiver are functional.
NEVER
USE THE DISTRESS CALL WHEN YOUR
SHIP IS NOT IN AN EMERGENCY. A DISTRESS
CALL CAN BE USED ONLY WHEN IMMEDIATE
HELP IS NEEDED.
q
Confirm that a distress call is not being received.
w
While lifting up the switch cover, push
the [DISTRESS] switch for 5 sec. to
transmit the distress call.
• An emergency channel (Ch 70) is auto-
matically selected and the distress call is
transmitted.
e
After transmitting the call, the trans-
ceiver waits for an acknowledgment
call on Ch70.
• The distress call is automatically trans-
mitted every 3.5 to 4.5
• ”DSC RPEAT” scrolls.
r
When receiving the acknowledgment,
reply to the connected station via the
microphone.
• ”RCV Distress ACK” scrolls.
➥
Distress alert contains (default);
•Kinds of distress : Undesignated distress
• Position data : Latest GPS position data held for 23.5 hrs. or
until the power is turned OFF.
➥
The distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
➥
Push [DISTRESS] to transmit a renewed distress call, if
desired.
➥
Push [16] to cancel the ‘Call repeat’ mode.
00_IC-M402_S.qxd 02.2.21 0:07 PM Page 12 (1,1)
Summary of Contents for IC-M402
Page 1: ...IC M402 ...
Page 30: ...24 9 INSTALLATION AND MAINTENANCE er s d at at n y EXAMPLE ...
Page 43: ...HONE Cap ut ...
Page 47: ......
Page 48: ...42 14 MB 69 HM 127 TEMPLATE Unit mm inch MB 69 ...
Page 49: ...44 15 OPTION r t M x ...
Page 50: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...