10
BASIC OPERATION
SWITCHING THE POWER ON/OFF
Turn the
PWR/VOL control
clockwise to switch the transceiver ON.
• The power on message momentarily appears on the display.
Turn the
PWR/VOL control
counterclockwise to switch the transceiver OFF.
ADJUSTING THE VOLUME
Rotate the
PWR/VOL control
to adjust the volume. Clockwise increases the
volume and counterclockwise decreases it.
• If you are not receiving a signal, press and hold
[MONI]
to unmute the speaker, then
adjust the volume control to a comfortable audio output level.
ADJUSTING THE SQUELCH
The purpose of Squelch is to mute the speaker when no signals are present.
With the squelch level correctly set, you will hear sound only while actually
receiving signals. The higher the selected squelch level, the stronger the signals
must be to receive. The appropriate squelch level depends on the ambient RF
noise conditions.
1
Press
[SQL]
.
• The squelch level appears on the display.
2
Rotate
the
ENC control
to adjust the level.
• Select the level at which the background noise is just eliminated when no signal is
present.
• The higher the level, the stronger the signals must be to receive.
• 6 different levels can be set. 0: Minimum ~ 5: Maximum; 2 is the default value.
3
Press any key other than
[MONI]
or
[LAMP]
to store the new setting and exit
the squelch adjustment.
Summary of Contents for TH-K40A
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