Call Channel Programming; Voice Scrambler Operation - Icom IC-M87 Instruction Manual

4
BASIC OPERATION

■ Call channel programming

Call channel is used to access Channel 16 (default Call
channel may differ, depending on the transceiver version),
however, you can program the Call channel with your most
often-used channels in each channel group for quick recall.
q Hold down [DIAL] for 1 second
one or more times until the de-
sired channel group (USA, In-
ternational and ATIS) to be pro-
grammed is selected.
w Hold down [16•
select the Call channel.
• "CALL" and Call channel number
are displayed.
e Hold down [16•
onds (until a long beep changes
to 2 short beeps) to enter the Call
channel programming mode.
• Call channel number starts blinking.
r Push [Y] or [Z] to select the de-
sired channel.
t Push [16• ] to program the dis-
C
played channel as the Call chan-
nel.
• Call channel number stops blinking.
12
] for 1 second to
C
] again for 3 sec-
C

■ Voice scrambler operation

D Activating the scrambler
The optional Voice Scrambler provides private communica-
tions. In order to receive or send scrambled transmissions,
you must first activate the Scrambler function.
q Select an operating channel
except Channel 16 or 70.
w While holding down [SQL],
push [SCN• ].
DUAL
• "SCRM" is displayed.
e To turn OFF the Scrambler
function, repeat step w.
• "SCRM" disappears.
D Programming scramble codes
There are 32 codes (1 to 32) are usable for programming.
In order to understand each other, all transceivers in your
group must have the same scramble code, as well as the
same scrambler unit. See page 21 for scrambler code set-
ting details.
Appears when the
voice scrambler
function is in use.