Icom IC-M504A, Instruction Manual

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18
6
DSC OPERATION
A Distress Call should include the ship’s position and time
data. If no GPS is connected, your position and UTC (Univer-
sal Time Coordinated) time should be manually input. They
are automatically included when a GPS receiver (NMEA0183
ver. 2.0 or 3.01) is connected.
• Manual programming is disabled when a GPS receiver
(NMEA0183 ver. 2.0 or 3.01) is connected.
• Manually programmed position/time data will be held for
only 23.5 hours.
q
Enter “
Position Input
” in the DSC menu.
 DSC Menu 
➪
 Position Input 
(Push [MENU]) (Rotate [DIAL], then push [DIAL•ENTER].)
w
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.
--DSC Menu--
Input Position
Latitude
__°__.___N Null
Longitude
__°__.___W Null
<CLR 1sec˘Null Data>
<CLR˘Exit / ENT ˘OK>
e
After editing the position data, push [DIAL•ENTER] to pro-
gram. Rotate
[DIAL] to edit the current UTC time, then
push [DIAL3•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.
--DSC Menu--
Input UTC Time
__:__ Null
<CLR 1sec˘Null Data>
<CLR˘Exit / ENT ˘OK>
r
Push [CLR], or rotate [DIAL] to select “
Exit
” then push
[DIAL•ENTER] to returns to the DSC menu.
• Repeat step
r
again to return to the normal operating mode.
■
Position and time programming