15
Using Your Radio
Using Your Radio
Turn the volume knob clockwise to increase the speaker volume; turn it counter-
clockwise to decrease the volume.
Setting the Volume
Setting the Squelch Level
The squelch feature reduces the level of static on the speaker by filtering out the
background channel noise. At the lowest squelch level, the speaker plays all radio
signals, including any noise on the channel. Setting the squelch level higher filters
out channel noise and lets only actual radio transmissions through.
Weak signals
No
Squelch
Medium
Squelch
High
Squelch
Strong signals
Noise
While listening to a channel, adjust the
SQUELCH
knob until the noise is filtered out
and you can only hear the transmission. If you switch to a channel with a lot of noise
or with a weak transmission, you may need to adjust the squelch level again.
NOTE: Setting the squelch level too high may prevent you from hearing weaker
transmissions. If you are having difficulty hearing a transmission, try setting the
squelch level lower.
Changing the channel
Press the
CHANNEL UP
or
CHANNEL DOWN
buttons briefly to scroll through the channels
one channel at a time. Press and hold the channel up or down button to quickly scroll
through the channels.
Summary of Contents for UM355
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