Standard Horizon Quest-X GX1500S Owner's Manual page 20

KEYPAD
[ SCAN ( MEM )] Key
Press this key to start and stop the scanning of programmed channels.
Refer to section "10.12 SCANNING" for details.
Secondary use
To memorized a channel into scan memory, select the channel and press
and hold the [ SCAN ( MEM )] key until "MEM" is shown on the display.
To delete a memorized channel from scan memory, select the channel
and press and hold the [ SCAN ( MEM )] key until "MEM" is removed from
the display.
[ DW/IC )] Key
Pressing this key enable dual watch between a priority channel (Ch16 is
the default) and a selected channel until a signal is recieved. When a
signal is recieved on the selected channel the radio will momentarily switch
to the Priority channel and listen for communications. Refer to section
"10.11 DUAL WATCH ( TO PRIORITY CHANNEL ) " for details.
Secondary use
Press and hold this key, when the optional RAM+ Mic or VH-310 Handset
is connected, intercom operation will operate between radio and option
mic or handset. Refer to section "10.14 INTERCOM OPERATION" for
details.
[ H/L ( NAV )] Key
Press this key to toggle the transmit output power between 25 W (High)
and 1 W (Low) power. When the [ H/L ( NAV )] key is pressed while the
transceiver is on channel 13 or 67, the power will temporarily switch from
LO to HI power until the PTT is released.
The [ H/L ( NAV )] key does not function on transmit inhibited and low power
only channels.
NOTE: 1W low power is indicated by LO on the display, when 25W high
power is selected the display do not show an indication.
Secondary use
Press and hold this 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 GX1500S. See section "8.4
CONNECTION OF GPS WITH NMEA OUTPUT" for details.
Page 20 GX1500S