Uniden UBC780XLT manual Troubleshooting

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Troubleshooting

If your UBC780XLT is not performing properly, try the following steps.

Problem

 

Suggestion

 

 

 

Scanner won’t work.

1.

Check the connections at both ends of the AC Adaptor.

 

2.

Turn on the wall switch of your room. You could be

 

 

using an outlet controlled by the wall switch.

 

3.

Move the AC Adaptor to another wall outlet.

 

 

 

Improper reception.

1.

Check the antenna connection or move and reposition

 

 

the antenna.

 

2.

Move the scanner.

 

3.

You may be in a remote area which could require an

 

 

optional multi-band antenna. Check with your dealer or

 

 

local electronics store.

 

 

 

Scan won’t stop.

1.

Adjust squelch threshold - refer to page 10, “Setting

 

 

the Squelch”.

 

2.

Check the antenna connection.

 

3.

Check to see if many of the channels are locked out.

 

 

If so, the scanner has less chance of finding an

 

 

active channel.

 

4.

Review each channels frequency to see if it is still

 

 

stored in memory and is correct.

 

5.

Its possible that none of the programmed frequencies

 

 

are currently active.

 

 

 

Scan won’t start.

1.

Press the SCAN key again.

 

2.

Adjust the SQUELCH control.

 

3.

Check to see if all channels are locked out.

 

 

 

Weather Scan won’t work.

1.

Adjust squelch threshold - refer to page 10, “Setting

 

 

the Squelch”.

 

2.

Check the antenna.

 

 

 

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Contents UBC780XLT Important Notice IntroductionFront View and Display Rear View UBC780XLT Flow Charts UBC780XLT Flow Charts UBC780XLT Flow Charts UBC780XLT Flow Charts Contents Page Terminology What is Scanning?What is Searching? What is Trunk Tracking?Page Feature Highlights Included with Your Scanner Package Optional Antenna SetupConnecting an Antenna Mounting an AntennaMounting the Scanner in Your Vehicle Typical Mounting MethodsApplying Power for Vehicle Installation Connecting an External Speaker Desktop InstallationApplying Power Using Standard AC Power Listening Safely Connecting an EarphoneConnecting the Clone Cable Connecting the Tape RecorderTurn the Scanner On Setting the SquelchBasic Operation Understanding the Menu System 2SCREEN Mask Menu Description and Numeric Keypad Equivalents0BANK TAG 6STEPS 5PROGRAM ID 1EDIT Range 5RECORD Storing Frequencies into Channels ProgrammingAssigning a Text Tag to a Channel Duplicate Frequency AlertStoring Text Tags Assigning a Bank Tag to a BankAssigning the beep alert to a channel Beep AlertProgramming Tips Deleting a Stored FrequencyScanning To directly access a specific channelSetting the Delay Mode RF Attenuation FeatureChannel Lockout Lockout in Manual ModeLockout in Scanning Mode Priority Scan Restoring a Locked-out ChannelRestoring All Locked-out Channels Changing the Priority Channel Searching Setting a Search RangeFrequency Skip Search Hold FeatureData Skip Auto Storing Storing Search FrequenciesSquelch SQ Mode For example, the scanner shows the following displays Additional Menu Options for SearchingService Search Skip Service SearchTrunked Systems Programming Trunking Frequencies Programming and Receiving Trunked SystemsSelecting Trunking System Type Selecting Trunking Programming Menu ModeTrunked Search Receiving Trunked SystemsID Lockout ID Hold and Direct Entry ID Hold ModeTo unlock all locked out IDs in a bank at once Channel Activity IndicatorsRestoring Locked-out IDs To unlock a single ID, follow these stepsTo enter a Type I ID Scan ListsProgramming ID Scan Lists Manually To enter a LTR ID Program ID Manually with the Menu ModeTo enter an Edacs ID ID Scan Mode Moving between Scan List Memories Setting Priority in Trunking ModeProgramming Scan Lists During Search Deleting a Stored IDMotorola Type Call Motorola/EDACSMulti-Track Calls in Scan and Manual ModeScan & Search Icons Edacs Tracking Edacs ReceptionAn Edacs Trunked system AFS Partial Entry Feature Special Edacs FeaturesLTR Tracking LTR ReceptionMotorola Tracking Motorola ReceptionProgramming a Fleet Map Selecting Preset Fleet MapFleet Map Programming Programming a Hybrid System Toggling the Status Bit Control Channel Only Mode Disconnect Tone Detect Option End Code To connect Scanner to PC Remote PC Control ModeStart Remote Mode Remote InterfaceTo connect the scanner to scanner Clone ModePC Control Parameter Change Transfer SpeedComplete displays Key Beep Option Additional Features Dimmer Enter LockMute On/Off Reverse ModeReceiving Mode Selection Frequency and Channel Tuning with the VFO ControlCare and Maintenance Troubleshooting Page VHF TV SpecificationsGlossary of terms Glossary of TermsPage Appendix Preset Fleet MapsS11 S12 Type I Programming Information User Defined Fleet MapsSize Code Restrictions Fleet Map Size CodesAustralian Reverse Frequency List Ctcss Frequency List Hz DCS Tone Code Memo Memo Memo UBC780XLT Shortcuts UBC780XLT Flow Charts Page UBC780XLT Flow Charts Page UBC780XLT Shortcuts Service Division One Year Limited WarrantyUBZZ01305AZ