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Page 15HX750S
e
PTT
(
PUSH-TO-TALK
)
Switch
When pushed activates the transmitter.
f
Keypad
[
VOL
]
Key
Press this key to activate the volume adjusting mode. Press the
[
T
]
or
[
S
]
key to adjust the receiver audio volume level.
[
SQL
]
Key
Press this key to activate the squelch adjusting mode. Press the [T] or [S]
key to adjust the squelch threshold level.
Press and hold this key for 3 seconds to open the squelch, allowing you to
monitor the operating channel. Release the key to resume normal (quiet)
monitoring.
[
S
(
UP
)]
Key
This key is used to change the operating channel, receiver volume level,
and squelch threshold level.
Press the key momentarily, the channel (or level) increases one step. Hold-
ing the key, the channel (or level) increases continuously.
[
T
(
DOWN
)]
Key
This key is used to change the operating channel, receiver volume level,
and squelch threshold level.
Press the key momentarily, the channel (or level) decreases one step.
Holding the key, the channel (or level) decreases continuously.
[
WX
]
Key
Immediately recalls the last-used NOAA (National Oceanic and Atmospheric
Administration) Weather Channel from any channel location. Recalls the
previously- selected working channel when the
[
WX
]
key is pressed again.
Secondary use:
When the
[
16/9
]
key is held and the
[
WX
]
key is pressed, the radio will
change the marine band between the USA, International, and Canadian
channels.
[
SCAN
(
DW
)]
Key
Starts scanning and priority scanning of programmed channels. When scan-
ning, press and hold this key to turn on and off priority scan (“P” icon is
shown on the bottom left side of the display during Priority scanning).