Uniden scanning radio - Manual

In a trunked radio system, which contains up to 29 differentfrequencies, radio users are divided into groups, oftencalled talk groups, and these talk groups are assignedspecific IDs. When someone in a talk group uses theirradio, a brief bust of data is broadcast before eachtransmission. The trunking...

Feature Highlights Trunk Tracking – Follow 800 MHz trunked publicsafety and public service systems just as ifconventional two-way communications were used. 300 Channels – Program one frequency into eachchannel. You must have at least one channelprogrammed to use the Scan mode. 12 Bands, 10 Banks – I...

Where to Obtain More Information Before using your scanner, you must program frequenciesinto available channels. The Betty Bearcat Frequency Guide lists typical frequencies used around the U.S.A. and Canada that you may program into your new scanner. To order a copy of the frequency guide, call the ...

Included with Your Scanner If any of these items are missing or damaged, immediatelycontact your place of purchase or Uniden CustomerService at: (800) 297-1023, 8:00 a.m. to 5:00 p.m., Central,Monday through Friday. Antenna Belt Clip AC Adapter (AD70U) AC Adapter 2 Battery Packs CHARGE BLK RED Charg...

Setup These are helpful guidelines when using your new scanner: If your scanner receives interference or electricalnoise, move the scanner or its antenna away fromthe source. If you need to improve reception, use an optionalantenna designed for multi-band coverage. (Youcan purchase this type of ante...

3. Replace cover andpress down until itclicks into place. Charging the Battery Pack Use the AC Adapter/Charger to power the BC 235XLT from an AC outlet. You can use your scanner while the battery charges. Tofully charge the battery, leave the AC Adapter/Chargerconnected for 14 – 16 hours. Note: Disc...

CRX120 Battery Charger The CRX120 charger allows you to charge the extrabattery included with your scanner. You can also chargethe battery inside your scanner at the same time. This wayyou can always have a charged battery ready to go. Charging the Spare Battery To fully charge the extra battery in ...

Connecting the Charger to Your Scanner You can charge both batteries at the same time. To fullycharge both batteries, you should leave the ACAdapter/Charger connected for 14 – 16 hours. 1. Follow steps 1 and 2under Charging the Spare Battery on page 12, thenconnect the charginglead on the CRX120to t...

Flexible Antenna Belt Clip Attach the flexible antenna to the BNC connector. Do not tighten the screws too tight. You can damage the case or clip. 14

Basic Operation Note: You can fold out the Front Cover to see the Controls and Indicators while reading this Guide. Setting the Squelch To set the squelch, you must be in the Manual mode, andyou should not be receiving a signal on your scanner. 1. Press M until you do not hear a signal. 2. Adjust VO...

4. Turn SQUELCH fully clockwise until you hear a hiss. This lowers the “Squelch Gate” so that everythinggets through—noise, weak signals, and strongsignals. 5. Turn SQUELCH back counter-clockwise just until the hiss stops. Now the “Squelch Gate” allows onlyclearer signals through. Keylock Key Lock p...

Programming Before the BC 235XLT can begin conventional scanning, you must program a frequency into at least one channel.Repeat this procedure for each channel you want toprogram. 1. Select frequenciesfrom your starterguide. 2. Press M . 3. Select a channel. a. Enter the channel number. b. Then pres...

4. Enter the frequency. a. Enter the frequency number. b. Then press E . Note: To clear a mistake while entering the frequency, press . twice, and start over. If you enter afrequency which isoutside the scanner’sfrequency bands, adistinctive beepsounds. Press . and go back to Step 4. (See the Table ...

Duplicate Frequency Alert If you enter afrequency which isstored in anotherchannel, you hear abeep and the otherchannel displays. Press . to start again —OR— Press E again to store the frequency inboth channels. Programming Tips Do not program a weather frequency into one ofthe channels, since weath...

Deleting a Stored Frequency To delete a storedfrequency: a. Press 0 . b. Then press E . Channels with nofrequencies areautomatically lockedout. 1 2 3 4 5 6 7 8 9 10 20

Scanning 1. After programmingfrequencies, simplypress S to begin scanning. 2. The indicator for each bank which will be scannedappears in the display, while the bank beingcurrently monitored flashes. You can deselect banksfrom active scanning by pressing their number onyour keypad. The indicator for...

Lockout in Scanning Mode If the scanner keeps stopping on a particular channel dueto noise or too frequent transmissions, you may want tokeep that channel from scanning. 1. Wait until the scannerstops at the channel. 2. Then press O . 3. The scannerimmediately resumesscanning because thelocked out c...

2. Press and hold O for about two seconds. You will hear twobeeps when all thechannels have beenrestored. Priority Scan When Priority Scan is turned on, your scanner checks thepriority channel every two seconds for activity. If a signal ispresent on the priority channel, your scanner monitors thecha...

Changing the Priority Channel You cannot eliminate the Priority Channel, but you canchange it to any of the 30 available channels in each bank. 1. Press M . 2. Select a new PriorityChannel. a. Enter the channel number. b. Then press M again. 3. Press and hold P for two seconds todesignate thischanne...

Searching Setting a Search Range The BC 235XLT can search a specific frequency range to find frequencies if you don’t have a frequency guideavailable or if new stations have been added since yourguide was published. 1. Press M to stop scanning. 2. Using your keypad,enter the lowestfrequency of yours...

Search Hold Feature 1. Press H at anytime to stop the search. 2. Press ) to move to the next higherfrequency —OR— 3. Press ( to move down to the previousfrequency. 4. Press R to resume searching. Data Skip A scanner will normally stop on any transmission itreceives. This means the BC 235XLT will sto...

Channel Skip If a particular channel continues to interrupt searchscanning, it is possible to set your scanner to skip thefrequency. To skip a frequency,press O . Note: You canprogram up to 20 skipfrequencies. The 21stskip frequencyentered causes thefirst skippedfrequency to unlock. Storing Search F...

SVC Scanning The Service C Scan feature allows you to toggle through five bands preprogrammed for police, fire/emergency,aircraft, marine, and weather. The frequencies selected forthese bands are the most commonly used around the U.S. 1. Press C . POLICE appears beneath the blinkingchannel number, a...

SVC Scan Lockout Follow these steps to lockout frequencies during Servicescanning: Note: You cannot lockout weather frequencies. 1. Press H to stop the Service Scan. 2. Press O . 3. Press S to resume scanning. Note: You can lockout up to 20 frequencies in SVC Scanmode. The 21st locked out frequency ...

Trunk Tracking Your BC 235XLT is designed to track Motorola Type I, Type II, Type IIi, Hybrid, SMARTNET ™, and PRIVACY PLUS ™ analog trunking systems * , which are extensively used in 800 MHz communication systems. When tracking thesetypes of systems, you may want to remember theseimportant points: ...

Setting the Squelch Since Squelch is automatically adjusted in trunking mode,it isn’t necessary to manually adjust the squelch controlwhile trunk tracking. However, the squelch setting youselect before you begin trunk tracking can affect how fastyour scanner acquires the data channel, and, in somein...

The first step in tracking a trunked system is storing thefrequencies in one of the 10 available banks in yourscanner. 1. Press and hold T . You will hear twobeeps, and BANK andTRUNK will begin to flash in the display. 2. Choose the bank youwant to trunk track.For example, press 2 . 3. Use the keypa...

4. Press either M or ) to select the nextchannel in the bank. 5. Repeat steps 3 and 4until all frequencieshave been entered. 6. Press R to begin searching the bankyou’ve programmed. Note: You will seethe frequenciesquickly displaying asyour scanner looksfor the data channelwhich controls thesystem. ...

ID Hold Mode During Search mode, you can hold on an ID withoutentering it into memory. 1. Press H while in Search mode. 2. Use the keypad toenter the ID you want. 3. Press H again. HOLD flashes in the display. 4. Press R to return to Search mode. Note: The ID Hold mode works in Scan List mode, andth...

Restore all IDs To unlock all locked out IDs at once, follow these steps: 1. Press and hold O until you hear twoshort beeps. 2. Press E to unlock all the IDs at once. Note: If you unlock all the IDs, then the Scan ListMemory mode displays. Press S to scan the IDs stored in your Scan Lists or press R...

Hold Mode Press H to hold on a particular ID in the display. This is where the trunk tracking effect is reallynoticeable. You can hold a specific talk group,such as fire department on-scene operations, nomatter which frequency the group uses. ID Monitor Mode If you press and hold R until you hear tw...

Scan Lists Each bank of your BC 235XLT can be a trunk tracking bank or it can be a conventional scanning bank. When youdesignate a bank as a trunking bank, your scanner sets up5 Scan Lists, which are simply lists used to store yourfavorite IDs. Each list can contain up to 10 IDs, so you canstore a t...

4. Enter the Type II IDyou want to store,and press E . —or— To enter a Type I ID: a. Enter the fleet number. b. Press . . c. Enter the subfleet number, and press E . Note: To clear a mistake while entering an ID,press . twice, and start over. 5. Press M or ) to select the next ScanList location. 6. ...

8. To restore a Scan Listto active scanning,press its numberagain. 9. Press R to return to Trunk TrackingSearch mode. To alternate yourdisplay between thetrunking repeaterindicators and theScan List indicators,press P . Programming Scan Lists During Search To select a Scan List location and store an...

To let your scanner automatically store an ID in anavailable Scan List location, follow these steps: 1. Press E when your scanner stops on anID you want to store. 2. Press R to return to Trunk TrackingSearch mode. Deleting a Stored ID To delete a stored ID: a. Press 0 . b. Then press E . 1 2 3 4 5 6...

Fleet Map Programming If you have programmed a trunk tracking bank and select R , you will see user IDs display on your screen. Since the BC 235XLT defaults to Type II systems, all the IDs will appear as numbers. However, if you notice a mix ofodd and even user IDs, for example 6477, 2560, 6481,6144...

If you are in Trunking Scan mode: 1. Press T to return to conventional mode ifyou have beenmonitoring a trunkingbank. 2. Press and hold T until you hear twoshort beeps. You’ll hear two shortbeeps and BANK andTRUNK will begin to flash in the display. 3. Select the trunkingbank you want toprogram. Sel...

6. Press E . The scanner exits theTrunkingProgramming mode,acquires the datachannel, and beginssearching using thepreset map youchose. Note: You will now begin to see Type IFleet-Subfleet IDs. For example, 100-12, 100-9,000-12, 400-8, etc. See User Defined Fleet Mapsin the Appendix for more informat...

6. Press D . 7. Use ) or ( to select the size code for thefirst block. 8. Press E . The next availableblock displays. 9. Repeat Steps 7 and 8until you haveselected a size codefor each block. For specifics abouteach size code, seeFleet Map SizeCodes in theAppendix. 10. Press R . The scanner exits the...

Care and Maintenance General Use Turn the scanner off before disconnecting thepower or replacing the batteries. Always write down the programmed frequencies inthe event of memory loss. If memory is lost, simply reprogram each channel.The display shows 000.000 in all channels when there has been a me...

Troubleshooting If your BC 235XLT 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 thewall switch. 3. Move the AC Ad...

Specifications Certified in accordance with FCC Rules and RegulationsPart 15, Subpart C, as of date of manufacture. Channels: 300 Banks 10 (30 channels each) Service Bands: 5–preprogrammed search bands (includingthe NOAA Weather Service band) FrequencyRange: 29.0–29.7 MHz 10 Meter Amateur Band 29.7–...

Appendix Preset Fleet Maps Preset Map E1P1 Size Code S11 S11 S11 S11 S11S11S11 Block 1 0 234567 S11 Preset Map E1P2 Size Code S4 S4 S4 S4 S4S4S4 Block 1 0 234567 S4 Preset Map E1P3 Size Code S4 S4 S4 S4 S4S4 S12 Block 1 0 234567 -- Preset Map E1P4 Size Code -- S12 S4 S4 S4S4S4 Block 1 0 234567 S4 Pr...

User Defined Fleet Maps Type I Programming Information When a Type I system is designed, the addressinformation for all the IDs is divided into 8 equal sizedblocks, numbered 0–7. When you program your scanner totrack a Type I system, you must select a size code foreach of these blocks. When you have...

If you don’t already know the size codes used, you’ll haveto guess at them. But since you don’t have to figure out allthe blocks at once, this isn’t as hard as it seems. Select asize code for a block, and then press R . Now listen to the communications. If you decide you are receiving most ofthe rep...

Size Code Restrictions If you select size code S-12, S-13, or S-14, there are somerestrictions as to which blocks can be used for these codes. S-12 can only be assigned to Blocks 0, 2, 4, or 6. S-13 can only be assigned to Blocks 0 and 4. S-14 can only be assigned to Block 0. Since these size codes ...

Precautions Before you use this scanner, please read and observethe following: EARPHONE WARNING! Be sure to use only the recommended optionalmonaural earphone (EP009). You may also use a 32 Ω stereo headset. Use of an incorrect earphone or stereoheadset may be potentially hazardous to your hearing.T...

Front View 888.8888 888 BATT 1 2 3 4 5 6 7 8 9 10 BAN K TRUNK DATA POLICE FIRE/EMG AIR MRN W XSCAN SRCH PRI HOLD DLY L /O 2 3 45 6789 10 11 12 1 13 14 15161718 1. DC Power Jack 10. Light K / Lock Key 2. Scan Key S 11. Speaker 3. Manual Key M 12. Display 4. Trunking Key T 13. Keypad 5. Decimal Key . ...

Top View and Display 19 20 21 22 19. Antenna Connector20. Earphone Jack21. Squelch Control22. On/Off Volume Control BATT 23 24 3029 28 27 888.8888 888 1 2 3 4 5 6 7 8 9 10 BAN K TRUNK DATA POLICE FIRE/EMG AIR MRN W X SCAN SRCH PRI HOLD DLY L /O 2526 23. Channel Display24. Frequency Display25. Bank/A...

One Year Limited Warranty Important: Evidence of original purchase is required for warranty service. WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”)ELEMENTS OF WARRANTY: Uniden warrants, for one year, tothe original retail owner, this Uniden Product to be free fromdefects in materials and craftsman...

Covered under one or more of the following U.S. patents: RE31,523 4,057,760 4,092,594 4,100,497 4,114,103 4,156,193 4,157,505 4,179,662 4,219,821 4,270,217 4,398,304 4,409,688 4,455,679 4,461,036 4,521,915 4,597,104 4,627,100 4,841,302 4,888,815 4,932,074 4,947,456 5,014,348 5,199,109 5,408,692 5,42...