I Optional Voice Scrambler Operation; I Dualwatch/Tri-Watch Operation - Icom IC-M502AW Instruction Manual

Vhf marine transceiver
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13
HM-127 REMOTE-CONTROL MICROPHONE
I Optional Voice scrambler
operation
D D Activating the Scrambler
q Select an operating channel,
except for Channel 16, Chan-
nel 70 or weather channels.
w While pushing
[
]
[
LO/DX]
LO/DX
(
SCR)
(
IC
SCR)
Voice scrambler function ON.
• "SCRM" appears.
e To turn the Scrambler func-
tion OFF, repeat step w.
• "SCRM" disappears.
D D Programming scramble codes
There are 128 codes 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 scram-
bler unit. The scrambler code is programmed in Set mode.
See pgs. 10, 41 for details.
60
[
] , push
[
H/L
]
H/L
to turn the
Appears when the Voice
scrambler function is in use
I Dualwatch/Tri-watch
operation
q Push
[
Y Y
Y Y
] /
[
Z Z
Z Z
] to select the desired channel.
[
]
[
]
• Push
[
[
CH/WX]
]
several times while pushing
CH/WX
(
(
DW
U/I/C)
U/I/C)
select the channel group (USA, INT, CAN), if desired.
w Push
[
]
[
CH/WX
]
CH/WX
(
(
DW
U/I/C)
U/I/C)
Tri-watch.
• "DUAL" appears during Dual-
watch; "TRI" appears during Tri-
watch.
• A beep tone sounds when a sig-
nal is received on Channel 16.
• Tri-watch becomes Dualwatch
when receiving a signal on call
channel.
• Dualwatch or Tri-watch can be
selected in the transceiver's Set
mode.
e To cancel Dualwatch/Tri-watch, push
again.
[
[
] to
H/L
H/L
for 1 sec. to start Dualwatch or
Appears when the Dual or
Tri-watch function is in use.
[
[
]
]
CH/WX
CH/WX
(
U/I/C)
(
DW
U/I/C)
]

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