Icom IC-M421 Instruction Manual page 30

6
DSC OPERATION
When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con-
nected, next steps r, t (Current position/time program-
ming) do not appear. Go to step y.
r The position information appears. Set your latitude data
using [L] or [M]. After setting the latitude data, push [ENT]
to set your longitude data.
• Push [CH•DUAL] or [16•C] to move the cursor forward or back-
ward, respectively.
• Push [L] or [M] to edit N; North latitude or S; South latitude
when the cursor is on the 'N' or 'S' position, and W; West longi-
tude or E; East longitude when the cursor is on the 'W' or 'E' po-
sition.
• Push [SCAN•TAG] to clear the latitude/longitude data.
• Push [CLR] to cancel and exit the condition to the DSC menu.
Input Position
Latitude
__ __.___N
<SCAN˘Null Data>
<CLR˘Exit / ENT˘OK>
Set the latitude data
Input Position
Longitude
___ __.___W
<SCAN˘Null Data>
<CLR˘Exit / ENT˘OK>
Set the longitude data
24
--DSC Menu--
Null
--DSC Menu--
Null
t After setting the longitude data, push [ENT] to set the cur-
rent UTC time using [L] or [M], then push [ENT].
• Push [CH•DUAL] or [16•C] to move the cursor forward or back-
ward, respectively.
• Push [SCAN•TAG] to clear the UTC time data.
• Push [CLR] to cancel and exit the condition to the DSC menu.
--DSC Menu--
Input UTC Time
__:__
<SCAN˘Null Data>
<CLR˘Exit / ENT˘OK>
y Push [DISTRESS] for 5 sec. to transmit the distress call.
• While pushing [DISTRESS], the key backlighting is blinking.
u After transmitting the distress call, the transceiver waits for
an acknowledgment call on Ch 70.
• The distress call is automatically transmitted every 3.5 to 4.5 min.
• After 2 sec., the transceiver is set to Channel 16 automatically.
Distress Call
TX Completed
Now Waiting for ACK
<CLR˘Cancel ACK>
After 2 sec.
CALLING
Null
INT
25W TAG
Wait ACK
<CLR˘
Cancel ACK>