Icom IM422 - Manual (Page 22)

16
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.
NEVER USE THE DISTRESS CALL WHEN YOUR
SHIP OR A PERSON IS NOT IN AN EMERGENCY.
A DISTRESS CALL CAN BE USED ONLY WHEN
IMMEDIATE HELP IS NEEDED.
q Confirm no Distress call is being received.
w While lifting up the key cover, push [DISTRESS] for 5 sec.
to transmit the Distress call.
• Emergency channel (Ch 70) is automatically selected and the
Distress call is transmitted.
• While pushing [DISTRESS], the key backlighting is blinking.
e After transmitting the Distress call, the transceiver waits for
an acknowledgment call on Ch70.
• The Distress call is automatically transmitted every 3.5 to 4.5
minutes.
• “ ” scrolls at the channel comment indicator.
r After receiving the acknowledgment, reply using the mi-
crophone.
• Channel 16 is automatically selected.
• “
” scrolls at the channel comment indicator.
➥ A distress alert contains;
• 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•
9 ] to cancel the ‘Call repeat’ mode.
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