Icom IC-M502 Marine Radio User Manual


 
53
13
HM-127 REMOTE-CONTROL MICROPHONE
Call channel programming
q Push [CH/WX•U/I/C] several times
while pushing [H/L] to select the
desired channel group (USA, INT,
CAN) to be programmed.
w Push [16•9] for 1 sec. to select the
call channel of the selected chan-
nel group.
•“CALL” and call channel number ap-
pear.
e Push [16•9] again for 3 sec. (until
long beep changes to 2 short
beeps) to enter call channel pro-
gramming condition.
•Call channel number and channel
group to be programmed flashes.
r Push [Y]/[Z] to select the desired
channel.
t Push [16•9] to program the dis-
played channel as the call channel.
•The call channel number and channel
group stop flashing.
Optional voice scrambler
operation
Activating the scrambler
q Select an operating channel, except channel 16 or weather
channels.
w Push [LO/DX•IC•SCR] while
pushing [H/L] to turn the
voice scrambler function ON.
•“SCRM” appears.
e To turn the scrambler func-
tion OFF, repeat step w.
•“SCRM” disappears.
Programming scramble codes
There are 128 codes (00 to 127) available with UT-98 or 32
codes (01 to 32) available with the UT-112 for programming.
In order to understand one another, all transceivers in your
group must have the same scrambler code, as well as the
same scrambler unit. The scrambler code is programmed in
set mode. See pgs. 10, 33, 55 for details.
Appears when the voice
scrambler function is in use.