Standard Horizon QUANTUM GX5500S Owner's Manual page 21

[ 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.
GX5500S Page 21