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How Squelch Works
The squelch circuit in your scanner is like a
gate. If it is too Iow, everything gets through
... noise, weak signals, and strong signals.
Strong Signals
MediumSignals .
.
WeakSignais::::::::: u u :
........................................................................
......--........-....--..--..
Noise-...........-..---..--..
-......-..-..............--..
......
If the gate is set too high, nothing gets
through ...not even the strong signals.
When the gate is correctly set, strong
signals get through, but weaker signals and
noise are blocked.
.
StrongSignals-
..
..
MediumSignals-
.
.
WeakSignals +
.
---..---....-.......
Noise. -- ..-- - ..--...
-.....--..--........
Strong Signals
Medium Signals---':
.
WeakSignals :
m ,..
---..---..-.....-...
Noise. - - .. -- - ..- . ...
---..---..--....-...
r
Setting the Squelch
Adjust VOLUME to a comfortable listening
level.
To set the Squelch, you must be in the
Manual Mode. No signal should be present
when adjusting Squelch.
1. Press (.MANUA~untilyou do not hear a
signal.
?ress
11 12 13
(OSCAN') 0 @ @
14 15 18
(OIlANUA~ @ @ @
BSAVE 17 18 19
880@@
SFT 20
880@@
8
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