Uniden UBC785XLT manual Troubleshooting, Resetting the Scanner

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UB343ZH_UBC785XLT_OM_0622 6/22/06 3:01 PM Page 47

Troubleshooting

If your UBC785XLT is not performing properly, try the following steps.

Problem

 

Suggestion

 

 

Scanner won't work.

1. Check the connections at both ends of the AC Adapter.

 

2.

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

 

 

using an outlet controlled by the wall switch.

 

3.

Move the AC Adapter to another wall outlet.

 

 

Improper reception.

1. Check the antenna connection.

 

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 17, "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.

 

 

 

Resetting the Scanner

If the scanner's display locks up or stops operating properly, you might need to reset the scanner.

Caution: This procedure clears all the information (except the band plan data) you have stored in the scanner. Before you reset the scanner, try turning it off and on to see if it begins working properly. Reset the scanner only when you are sure it is not working properly.

1.Turn off the scanner.

2.While holding down 2, 9, and Hold ▲, turn on the scanner. It takes about 15 seconds to initialize and All Memory Clear please wait appears.

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Contents A N N E R UB343ZHUBC785XLTOM0622 6/22/06 301 PM Contents UB343ZHUBC785XLTOM0622 6/22/06 301 PM Introduction 15kHz Offset UB343ZHUBC785XLTOM0622 6/22/06 301 PM VFO/SELECT Push Front and Rear ViewIcon Description UBC785XLT Shortcuts Press Menu Important Notice What is Scanning? What is Searching?Terminology Feature Highlights Information on the Internet Where to Obtain More InformationIncluded 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 Earphone Desktop InstallationApplying Power Using Standard AC Power Connecting an External SpeakerRemember Connecting the Clone CableConnecting the Tape Recorder Listening SafelySetting the Squelch Basic OperationTurn the Scanner On Understanding the Menu System Menu Description and Numeric Keypad Equivalents 6RECORD Allows you to change the brightness of the display 9BANK TAG 001 855.0000 FM Storing Frequencies into Channels in Menu ModeProgramming 001010 512.0000 FM C10000000.0000 001 855.0000 NFM Alpha TAG Transfer FrequenciesStoring Alpha Tags Beep Alert Programming TipsAssigning the Beep Alert to a Channel Bank Scan Hold FeatureTo directly access a specific channel ScanningSetting the Delay Mode for Frequency RF Attenuation FeatureLockout in Hold Mode 001 141.5000 FM Uniden Group aChannel Lockout Lockout in Scanning Mode Restoring a Locked-out ChannelRestoring All Locked-out Channels Changing the Priority Channel 010 1240.0000 FM005 512.0000 FM Priority ScanSetting a Search Range SearchingSrch 12.5k Data Skip Search Hold FeatureSrch 12.5k 1240.0000 FM Range 25cm Amateur Grp Starting Chain SearchSrch 12.5k 1240.0000 NFM Range C004 Frequency SkipStoring Search Frequencies Auto Storing Squelch SQ Mode12--56 001 FM BankFor Search mode, select 1SERVICE Option / Chain Search 001 512.0000 FM Bank 003001 FM DCS Bank 003 FM DCS Uniden Group aChanging the step Air Service SearchUsing Aircraft Service Search Air Service Search SkipTo program your scanner PC Control ModeRemote Interface To connect Scanner to PCPC Control Parameter Clone ModeStart Remote Mode and Change Transfer Speed Speed 39600 bps 419200 bpsTo connect the Scanner to Scanner Clone Master Unit Slave Unit Key Beep Option Additional FeaturesDimmer Enter LockChannel Step Selection Reverse ModeReceiving Mode Selection Frequency and Channel Tuning with the VFO ControlCare and Maintenance Resetting the Scanner TroubleshootingSpecifications Glossary of Terms UB343ZHUBC785XLTOM0622 6/22/06 301 PM DCS Tone Code Ctcss Frequency List HzUBC785XLT Flow Charts Scan Option System Option Dimmer 1HIGH / 2MEDIUM / 3OFF Screen Mask Declaration of Conformity Uniden Corporation All rights reserved UBZZ01343ZZ0
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UBC785XLT specifications

The Uniden UBC785XLT is a versatile and powerful handheld scanner designed for both amateur radio enthusiasts and professional users. Renowned for its broad frequency coverage, this scanner offers a comprehensive solution for monitoring a wide array of communications. Combining advanced features with exceptional ease of use, the UBC785XLT is an essential tool for anyone interested in scanning radio frequencies.

One of the key features of the UBC785XLT is its extensive frequency range, which spans from 25 MHz to 1.3 GHz. This allows users to listen in on various signals, including VHF and UHF bands, making it suitable for public service channels, aircraft communications, and even amateur radio operations. It also supports a variety of modes, including FM, AM, and digital modes, allowing users to access a wide array of broadcasts.

The scanner’s memory capacity is another notable characteristic. It comes with 1,000 channels grouped into 50 banks, allowing you to organize your frequencies efficiently. Users can easily program and store their favorite channels, and the scanner features a built-in memory backup to preserve settings and frequencies even when powered off.

Incorporating advanced scanning technologies, the UBC785XLT features a triple conversion superheterodyne design, which enhances its frequency stability and adds to the overall sensitivity. The scanner also comes equipped with Close Call RF Capture technology, which enables it to automatically find and monitor nearby signals in real-time, making it easier for users to discover new frequencies.

For those who prefer customized settings, the UBC785XLT offers a range of programmable features, including priority scanning, which allows users to designate specific channels to be monitored more frequently. The scanner’s versatile scanning modes, such as Dynamic Memory Allocation, make it easy to tailor the experience based on individual needs, ensuring that important communications are never missed.

The UBC785XLT is designed with user accessibility in mind. It features a large, backlit LCD display for easy readability in various lighting conditions. The user interface is intuitive, making navigation through channels and settings straightforward.

In summary, the Uniden UBC785XLT is a comprehensive scanning solution that appeals to a wide range of users. With its extensive frequency coverage, advanced scanning technologies, and user-friendly interface, it stands out as a top choice for anyone looking to explore the world of radio communications. Whether for emergency services monitoring or personal interest in radio messages, the UBC785XLT delivers reliable performance and versatility.
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