Standard Horizon HX751 Owner's Manual page 18

[ LIGHT ( STROBE )] Key
Press and hold this key to turn the light on continuously. To turn the light
off, press and hold this key again.
Note: Refer to section "6.15.1 CHANGE TO SETUP" to change the light
from continuously on to flash the Morse Code S.O.S. message repeatedly.
Secondary use:
Press and hold the this key to enable the SOS Strobe light. To disable the
SOS strobe light, press and hold the this key for 1 second again.
[ 16/9 ] Key
Pressing this key immediately recalls channel 16 from any channel loca-
tion. Holding down this key recalls channel 9. Pressing this key again re-
verts to the previous selected working channel.
[ CLR ( WX )] Key
Press this key to cancel the volume adjusting mode, squelch adjusting
mode, memory scanning and dual watch function.
Secondary use:
Hold down the this key immediately recalls the last-used NOAA (National
Oceanic and Atmospheric Administration) Weather Channel from any chan-
nel location. Recalls the previously- selected working channel when the
[ CLR ( WX )] key is pressed again.
Advanced use:
When the [ 16/9 ] key is held and the [ CLR ( WX )] key is pressed, the radio
will change the marine band between the USA, International, and Cana-
dian channels.
[ POWER ( )] Key
Press and hold this orange key for 2 seconds to toggle the transceiver's
power on and off.
[ PRESET ] Key
Immediately recalls one of up to 10 user preset memories for each band
(shown as "0" - "9" on the LCD). Pressing this key repeatedly scrolls through
the preset memory channels.
TX/BUSY Indicator
This indicator glows green when a signal is being received and red when
transmitting.
When the Emergency feature is activated, this indicator blinks the interna-
tionally-recognized Morse Code "S.O.S" message.
Page 18 HX751