Uniden UBC3000XLT manual 880@@, How Squelch Works

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	:
........................................................................
......--	-....--..--..

If the	gate is set too high, nothing gets		Setting the Squelch
through ... not even the strong signals.			Adjust VOLUME to a comfortable listening
When the gate is correctly set, strong			level.
signals get through, but weaker signals and			To set the Squelch, you must be in the
noise	are blocked.	.
			Manual Mode. No signal should be present
	StrongSignals-		when adjusting Squelch.
		..	1. Press (.MANUA~untilyou do not hear a
	MediumSignals- .		signal.
		.

WeakSignals +

Noise- -..---..--..

---..---....-.......

.

11 12 13

......

Noise. -- . . -- - . . --...

-.....--..--........

(OSCAN') 0 @ @

14 15 18

Strong Signals

Medium Signals---': .

WeakSignals					:
m	-	-...			,..
---..---..
Noise.	-..-	--. .	- - -	-..	- . ...
---..---			....

?ress (OIlANUA~ @ @ @

BSAVE 17 18 19

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SFT 20

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