Operation Manual S15
Page
11
4.5 SQUELCH CONTROL
In the main screen, press the (SQ) key on the front panel, the screen will
be changed to the VHF screen. Squelch is used to adjust the receiver
muting threshold (squelch) level. When pressed, the squelch level bar
and “Sq” symbol will appear at the right side of the screen as follows.:
To cut out weaker signals, press ▲ key to increase the squelch until the
background interference noise disappears. To receive weaker signals
press ▼ key to decrease the squelch.
4.6 VOLUME CONTROL (VOL)
Press the
(VOL)
key on the front panel, the volume control screen will be
displayed. The level Bar and character “Vl” will appear on the right side of
the screen as bellow:
Press
▲
key to increase the volume. Press
▼
key to reduce the volume.
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