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Page 21GX5500S
[
4
(
DW
)]
Key
When in radio mode, this key is used to directly select channel digit “4”
in a channel number.
Secondary use
Press the
[
F
]
key first then press the
[
4
(
DW
)]
key, scan for voice com-
munications on the priority channel and another selected channel until
a signal is received on either channel (Dual Watch). Refer to section
“10.12 DUAL WATCH
(
TO PRIORITY CHANNEL
)
” for details.
[
5
(
IC
)]
Key
When in radio mode, this key is used to directly select channel digit “5”
in a channel number.
Secondary use
Press the
[
F
]
key first then press the
[
5
(
IC
)]
key, when the optional RAM+
Mic is connected, intercom operation will operate between radio and
RAM+ Mic. Refer to section “10.17 INTERCOM OPERATION” for de-
tails.
[
6
(
NAV
)]
Key
When in radio mode, this key is used to directly select channel digit “6”
in a channel number.
Secondary use
Press the
[
F
]
key first then press the
[
6
(
NAV
)]
key, the LCD displays
NAV GPS Data; Time, SOG (Speed Over Ground), and COG (Course
Over Ground) when a GPS is connected to the accessory cable of the
GX3500S. See section “8.4 CHECKING GPS CONNECTION” for de-
tails.
[
7
(
SCRM
)]
Key
When in radio mode, this key is used to directly select channel digit “7”
in a channel number.
Secondary use
Press the
[
F
]
key first then press the
[
7
(
SCRM
)]
key, when the optional
CVS2500 Voice Scrambler Unit is installed, available to operate the Voice
Scrambler function. Refer to section “10.18 VOICE SCRAMBLER” for
details.
[
8
(
PA
)]
Key
When in radio mode, this key is used to directly select channel digit “8”
in a channel number.
Secondary use
Press the
[
F
]
key first then press the
[
8
(
PA
)]
key, available to operate
the 30 Watt PA function. Refer to section “10.14 PA/FOG OPERATION”
for details.