Icom M93D Instruction Manual - Page 29

Sending DSC calls (Distress), Simple call

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DSC OPERATION 8 ■■Sending DSC calls (Distress) A Distress call should be sent if, in the opinion of the Master, the ship or a person is in distress and requires immediate 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. DDSimple call 1. Confirm that no Distress call is being received. 2. While lifting up the key cover, hold down [DISTRESS] for 3 seconds until you hear 3 short countdown beeps and a long beep sound. ••The backlight blinks. 3. After sending, wait for an Acknowledgement call. ••"Waiting for ACK" is displayed. LThe Distress call is automatically sent every 3.5 to 4.5 minutes, until an Acknowledgement is received, or a Distress Cancel call is sent. (p. 24) LWhen you receive an Acknowledgement, alarm sounds. 1 4. Push any software key to turn OFF the alarm. 2 ••Channel 16 is automatically selected. 3 4 5 6 7 5. Hold down [PTT] to explain your situation. 8 6. Push the software key below [EXIT] to return to the 9 operating screen. 10 TIP: A default Distress alert contains: 11 ••Nature of distress: Undesignated distress ••Position information: The latest GPS, or manually input 12 position, which is held for 4 hours or until turning OFF the 13 transceiver. 14 NOTE on Distress calls (Simple calls and Regular calls): 15 If no valid position data is received when sending a Distress call, the transceiver waits for 15 seconds until 16 position data is received, and then the Distress call is sent. If no position is received during this 15 seconds, the position data in the transceiver memory is automatically sent. However, if there is no position data in the memory, the Distress call is sent without position data. 22

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22
8
DSC OPERATION
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■
Sending DSC calls (Distress)
A Distress call should be sent if, in the opinion of the Master,
the ship or a person is in distress and requires immediate
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.
D
Simple call
1.
Confirm that no Distress call is being received.
2.
While lifting up the key cover, hold down [DISTRESS]
for 3 seconds until you hear 3 short countdown beeps
and a long beep sound.
•
The backlight blinks.
3.
After sending, wait for an Acknowledgement call.
•
“Waiting for ACK” is displayed.
4.
Push any software key to turn OFF the alarm.
•
Channel 16 is automatically selected.
5.
Hold down [PTT] to explain your situation.
6.
Push the software key below [EXIT] to return to the
operating screen.
TIP:
A default Distress alert contains:
•
Nature of distress: Undesignated distress
•
Position information: The latest GPS, or manually input
position, which is held for 4 hours or until turning OFF the
transceiver.
NOTE on Distress calls (Simple calls and Regular calls)
:
If no valid position data is received when sending a
Distress call,
the transceiver waits for 15 seconds until
position data is received, and then the Distress call is
sent. If no position is received during this 15 seconds, the
position data in the transceiver memory is automatically
sent. However, if there is no position data in the memory,
the Distress call is sent without position data.
L
The Distress call is automatically sent every 3.5 to 4.5
minutes, until an Acknowledgement is received, or a Distress
Cancel call is sent. (p. 24)
L
When you receive an Acknowledgement, alarm sounds.