Radio Shack 20-521 owner manual Troubleshooting, Problem Possible Remedy Cause

Page 63

TROUBLESHOOTING

If you have problems, here are some suggestions that might help. If they do not, take your scanner to your local RadioShack store for assistance.

	PROBLEM	POSSIBLE	REMEDY
	PROBLEM	CAUSE	REMEDY
		CAUSE


	Scanner is on but	SQUELCH is not	Turn SQUELCH
	will not scan.	adjusted cor-	clockwise.
		rectly.

		Only one channel	Store frequencies
		or no channels	into more than
		are stored.	one channel.

	Scanner is totally	No power.	Check the batter-
	inoperative.		ies or make sure
			the AC adapter or
			DC adapter is
			connected prop-
			erly.

			Recharge the
			rechargeable bat-
			teries or replace
			the non-recharge-
			able batteries.

		The AC adapter	Be sure the
		or DC adapter is	adapter’s barrel
		not connected.	plug is fully
			plugged into the
			POWER jack.

	The scanner’s	Batteries are not	Make sure the
	display dims or	correctly	batteries are
	the scanner	installed.	installed properly.
	sounds a tone
	sounds a tone	The batteries are	Recharge the
	every 15–30 sec-	The batteries are	Recharge the
	onds.	weak.	rechargeable bat-
			teries or replace
			the non-recharge-
			able batteries.

	Keypad does not	The keylock func-	To turn off the
	work.	tion is activated.	keylock, press
			KEYLOCK until
			K/L disappears.

	BATT. Lo	The batteries are	Recharge the
	flashes.	weak.	rechargeable bat-
			teries or replace
			the non-recharge-
			able batteries.

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Image 63

Contents PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz Scanning Legally FCC NoticeContents Special Features Trunk TrackingGeneral Guide to Scanning Page Power Sources Using Internal BatteriesPreparation Page Charging Nickel-Cadmium Batteries Using AC Power Using Vehicle Battery Power Plug the adapter’s barrel plug into your scanner’s Connecting an Optional Antenna Connecting the AntennaConnecting AN EARPHONE/ Headphones Traffic SafetyListening Safely Attaching the Belt Clip Connecting AN Extension SpeakerAbout Your Scanner Look AT the Keypad Look AT the Display Page Service Banks Understanding BanksChannel Storage Banks Monitor Memories Operation Turning on the Scanner and Setting SquelchStoring Known Frequencies Into Channels Limit Search Searching for and Temporarily Storing Active FrequenciesDirect Search Service Bank Search Search Skip Memory Moving a Frequency from a Monitor Memory to a Channel Listening to the Monitor MemoriesManually Selecting a Channel Scanning the Stored ChannelsPage Special Features DelayTurning CHANNEL-STORAGE Banks on and OFF Priority Locking OUT ChannelsPage Normal Search Hypersearch Using the KeylockUsing the Display Backlight Changing Search SpeedsTurning the KEY Tone OFF/ON Turning the Battery Save Function OFF/ONSkipping Data Signals Types of Trunking Systems Trunk TrackingSetting the Scanner to the Trunk Tracking Mode Storing Trunked Frequencies Setting Squelch for the Trunk Tracking ModePage Scanning a Trunked Bank Temporarily Storing an ID into the Monitor ID Memory Monitoring an Active IDLocking Out IDs Unlocking a Single IDUnlocking All IDs Monitoring IDs Using Trunk Tracking Scan DelayChannel Activity Bars Manually Storing IDs into Scan Lists Scan ListsDeleting a Stored ID Moving IDs to Scan ListsScanning Type I and Hybrid Trunked Systems Scanning the Scan ListsProgramming a Fleet Map Size Fleets Subfleets IDs Blocks Used E1P1 E1P2 E1P3 Size E1P4 E1P5 E1P6 Size Selecting a Preset Fleet Map Programming a Hybrid System Canadian Weather Frequencies General Guide to ScanningGuide to Frequencies National Weather FrequenciesVHF Band Guide to the Action BandsTypical Band Usage Primary UsageAbbreviations Band AllocationVery High Frequency VHF Ultra High Frequency UHF Frequency Conversion Problem Possible Remedy Cause TroubleshootingError Adjust squelch for Resetting the Scanner Care and Maintenance Specifications Power Requirement AA Alkaline Batteries 6.0 VDC Page Page RadioShack Division of Tandy Corporation Fort Worth, Texas Limited One-Year Warranty