Standard Horizon Gx5500s - Manual (Page 21)

Page 21 GX5500S
[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.