Icom IC-M504A Instruction Manual page 28

Vhf marine transceiver
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6
DSC OPERATION
■ Distress call
D Regular call (Continued)
e Edit your position (latitude and longitude) data by rotating
[DIAL].
• Push [16•9] to move the cursor forward, or [CH/WX•DUAL•U/
I/C] to move it backward.
• Rotate [DIAL] to edit N; North latitude or S; South latitude when
the cursor is on the 'N' or 'S' position.
• Rotate [DIAL] to edit W; West longitude or E; East longitude
when the cursor is on the 'W' or 'E' position.
• Hold down [CLR] for 1 second to clear the latitude/longitude
data.
• Push [CLR] to cancel and return to the DSC menu.
Input Position
Latitude
__°__.___N
Longitude
__°__.___W
<CLR 1sec˘Null Data>
<CLR˘Exit / ENT ˘ OK>
r After editing the position data, push [DIAL•ENTER] to pro-
gram. Edit the current UTC time by rotating [DIAL], then
push [DIAL•ENTER].
• Push [16•9] to move the cursor forward, or [CH/WX•DUAL•U/
I/C] to move it backward.
• Hold down [CLR] for 1 second to clear the UTC time data.
• Push [CLR] to cancel and return to the DSC menu.
22
--DSC Menu--
Null
Null
--DSC Menu--
Input UTC Time
__:__
<CLR 1sec˘Null Data>
<CLR˘Exit / ENT ˘ OK>
t Hold down [DISTRESS] for 5 seconds to transmit the Dis-
tress call.
• While holding down [DISTRESS], the key backlighting blinks.
• The selected nature of the distress is stored for 10 minutes.
y After transmitting the Distress call, the transceiver waits for
an acknowledgment call.
• The Distress call is automatically transmitted every 3.5 to 4.5 min-
utes.
• After 2 seconds, the transceiver is automatically set to Channel
16.
Distress Call
Now Waiting for ACK
<CLR˘Cancel ACK>
After 2 seconds
Wait ACK
<CLR ˘
Cancel ACK>
Null
TX Complete
25W
INT
TAG
CALLING

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