Standard Horizon HX380 Owner's Manual page 15

POWER Switch / VOLUME Control ( VOL )
Turns the transceiver on and off as well as adjusts the audio volume level.
Turn this knob clockwise to turn the radio on and increase the speakers
audio volume.
Turn fully counter-clockwise to turn the radio off.
PTT ( PUSH-TO-TALK ) Switch
When pushed activates the transmitter.
LCD Display
This display shows current operating conditions. Refer to page 17 for de-
tails.
Keypad
[ 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.
Secondary use:
When the [ 16/9 ] key is held and the [ CLR ] key is pressed, the radio will
change the marine band between the International, Canadian, and USA
channels.
[ H/L ( )] Key
Press this key to toggle the transmitter output power between "High" (5
Watts) and "Low" (1 Watt) power. When the "Low" power is selected, the
" " icon will appear at the right of the channel indication of the display.
This key does not function on the "Transmission Inhibited" and "Low power
only" channels.
Secondary use:
Hold down this key to lock the keypad (except the [ SQL ] , [ H/L ( )] and
PTT keys) so that they are not accidentally changed. The " " icon will
appear at the right of the channel indication of the display, to indicate that
the functions are locked. Hold down this key until the " " icon disappears
to unlock the radio.
[ PRESET ] Key
Press this key to recall the user preset memories (shown as memory chan-
nel number "0" - "9" on the display). Press the [ ] or [ ] key to select the
desired preset channel.
Press and hold this key for two seconds to memorize the selected channel
into the preset memory channel.
HX380 Page 15