Radio Shack PRO-2040 owner manual Troubleshooting

20-414.fm Page 39 Wednesday, August 4, 1999 11:12 AM

TROUBLESHOOTING

Your Radio Shack PRO-2040 100-Channel Programmable Home Scanner should require very little maintenance. If you have problems, refer to this chart for possible solutions. If you cannot solve the problem, contact your local Radio Shack store for assistance.

Problem	Probable Cause	Solution
Scanner is totally inoperative.	The AC or DC adapter	Be sure the adapter is fully
	is not properly con-	inserted into the DC 12V jack
	nected.	and into a working AC or DC
		power source receptacle
The display dims.	The AC or DC adapter	Be sure the adapter is set to
	does not provide the	provide no less than 12 volts
	required 12 volts DC.	DC.
The scanner turns on, but	The SQUELCH con-	Adjust the SQUELCH control
does not scan.	trol is not correctly	clockwise (see “Turning On the
	adjusted.	Scanner/Setting the Volume
		and Squelch”).
In the scan mode, the scanner	You have programmed	Avoid programming frequen-
locks on frequencies that have	a “Birdie” frequency.	cies listed under “Finding
an unclear transmission.		Birdie Frequencies,” or only
		select them manually.
Poor or no reception.	Improperly connected	Be sure the antenna is properly
	antenna.	connected.
	Programmed frequen-	Avoid programming frequen-
	cies are the same as	cies listed under “Finding
	Birdie frequencies.	Birdie Frequencies,” or only
		select them manually.
	The environment is not	Relocate the scanner and try
	suitable for reception by	again.
	the scanner.
Keys do not work or display	Undetermined error.	Reset or initialize the scanner
changes at random.	The CPU is locked up.	(see “Resetting the Scanner’s
		Display” and “Initializing the
		Scanner”).
Error appears on the dis-	Programming error.	Reprogram the frequency cor-
play.		rectly.

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