User's Manual

5.
Turn
SQUELCH
back clockwise just until the hiss stops. This
sets the squelch so that only clearer signals can get through.
In trunking mode, it usually isn’t necessary to manually adjust the
squelch since it is automatically adjusted. However, the squelch
setting you select before you begin trunk tracking can affect how
fast your scanner acquires the data channel, and, in some
instances, the squelch setting can prevent your scanner from
acquiring the data channel at all.
You can change the squelch setting, if necessary, to provide better
performance in your area.
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