Uniden America UB305C Trunk Tracker Scanner User Manual Pages 40 to 55

Uniden America Corporation Trunk Tracker Scanner Pages 40 to 55

Pages 40 to 55

33The Service Search feature allows you to toggle through the following ten preprogrammedservices. The frequencies selected for these services are the most commonly used aroundthe U.S.• 1: PUBLIC SAFETY • 6: RAILROAD• 2: NEWS • 7: AIR• 3: TV BROADCAST • 8: CB RADIO• 4: HAM RADIO • 9: FRS• 5: MARINE • 0: SPECIAL (frequencies)1. Press SRCHfor 2 seconds. the display indicates as illustrated.2. After a 3 second delay, searching begins for the firstpreprogrammed service – Public Safety (initialsetting).3. If you want to skip a frequency, press SRCHto start searching immediately.4. To change the searched service, use ▲, ▼or VFO after pressing SRCH for 2 seconds.Note: • You can not change such settings as delay, during a service search.• The channel number corresponding to certain services will appear when afrequency within the search is active.• You can enter one of the Service Search frequencies into Channel Memory by pressing Ewhen holding on one of the frequencies.• Special Frequencies are low-power, itinerant, FRS, "splinters" and other frequencieswhich are commonly used at special events and other locations and may or may not be licensed.5. To exit from the service search mode, press MANor SCAN.During the search of one of the preprogrammed services, the lower display line will indicatethe service that you are searching. To stop the search, press HOLD/▲.HOLDappears in thedisplay. Press HOLD/▲or LIMIT/▼to move up or down one programmed frequency, or pressSRCHto resume scanning.Service Search SkipYou can set the scanner to skip the frequencies unwanted during service search. 100skipped frequencies are programmable.1. To skip over a frequency, press L/Owhen stopping at thefrequency you want to skip.2. To cancel a skip during search, press HOLD/▲, tune in the desired frequency using ▲, ▼or VFO,then press L/O.To restore all skipped frequencies, pressL/Ofor 2 seconds.Service SearchBC780XLT1.qxd 10/08/2000 5:02 PM Page 33
34Weather Channel SearchTo hear preprogrammed NOAA weather channels:1. Press WX.Note: • It’s possible to receive more than one weather broadcast in your area. If thebroadcast sounds weak or distant, press SRCHto look for a closer station.• Press HOLD/▲if you want to stop searching (WX hold mode).NWR-SAME AlertIn addition to the conventional weather broadcasts, your BC780XLT is compatible withNWR-SAME weather alert. When the scanner receives NOAA’s Specific Area MessageEncoding (SAME) coded weather emergency signal, it sounds the alert tone with specifiedmessage.You must program your FIPS code to identify the Specific Area where you arelocated.1. While receiving a weather channel or at the WX holdmode, press WXto activate this feature. The ALT icon displays.The audio is muted but the scanner isstill actively waiting to detect the coded SAMEemergency warning signals.2. When the unit receives a warning signal, it shows amessage with the alert tone defined. (For NWR-SAME Event Code, see the table in the Appendix.)3. To deactivate, just press WXor it is automatically canceled when the channel is changed.Testing the Alert SirenTo test and recognize the difference between the types of alert sirens, perform the following steps:1. During WX hold mode, press and hold the PRIkey until you hear the Statement Alert siren.ALTappears on the display and the Statement, watch, warning sirens sound alternately.Note: The samples of the each alert siren only last for a few seconds.You may need to listen to each siren several times to be sure you recognize the different sirens and tones. The sirens continue to sound rotating through the samples until you silence the test.2. To stop the test, press any key.Make sure you can hear the siren in all areas that you would need to. If not, optionalaccessories can be purchased to ensure that you are alerted for emergency broadcasts.See your dealer or local electronics store for accessories. DO NOT USE THE EARPHONETO LISTEN TO THE TEST. DAMAGE TO YOUR HEARING COULD OCCUR.BC780XLT1.qxd 10/11/2000 10:39 AM Page 34
35Programming FIPS CodeThe 6-digit Federal Information Processing System (FIPS) codes established by the NationalWeather Service (NWS) must be programmed in your scanner. These codes specify anemergency and the specific geographic area (such as county) affected by the emergency.1. At the WX hold mode, press and hold WXfor 2 seconds.2. Select the desired memory number (F1-F15) using ▲or ▼.3. Enter FIPS code using the keypad.4. Press E.5. To exit from this programming mode, press WX.––– OR –––1. Press ▼when F1 is displayed or ▲when F15 is displayed.2. Press E. The scanner is now set for ALL FIPS mode.3. To cancel this ALL FIPS mode, enter individualFIPS code again.Note: • To cancel the entry, press .• To obtain the FIPS code for your area, contact the NWS toll free at 1-888-697-7263.(1-888-NWR-SAME) or visit their websitehttp://www.nws.noaa.gov/nwr/indexnw.htmBC780XLT1.qxd 10/08/2000 5:02 PM Page 35
36Trunked SystemsYour BC780XLT is designed to track three major types of trunked radio systems. Thesesystems are described here.❖MOTOROLA - Including Type I, Type II, Hybrid, SMARTNET, and Privacy Plus.Motorola systems are widely used by public safety and business users. Most are onthe 800 MHz band, and recent systems are appearing on other bands.❖EDACS - Including "Wideband" 9600 baud, and "Narrowband" 4800 baud systems."Wideband" systems are mostly on the 800 MHz band, and are used by public safety,utilities, and business users. Some systems are used on the VHF and UHF bands."Narrowband" systems are used in the 935-940 MHz band, many by utilities.(See page 49)❖LTR - These systems are mostly for business users, and found on the UHF, 800 and 900 MHz bands. (See page 52)For details on the operation and programming for all of these systems, see pages 36-58.When tracking these types of systems, remember these important points:• Your scanner defaults to monitor Motorola Type II systems; however, you can change thisif the system in your area is different. (The types of systems are discussed below.)• The frequencies for many of the trunked public safety systems are listed in theTrunkTracker National Public Safety Trunked System Frequency Guide included with yourBC780XLT scanner. Frequencies sometimes change, check with www.trunktracker.com.• If you have internet access, you can visit www.bc780xlt.com, www.trunktracker.com orwww.bearcat1.com/free.htm for current news and frequency information about TrunkTracking Scanning.*Motorola, SMARTNET, and PRIVACY PLUS are trademarks of Motorola Inc. EDACS is a registeredtrademark of the Ericsson Corporation. LTR is a registered trademark of E.F. Johnson Company.BC780XLT1.qxd 10/08/2000 5:02 PM Page 36
37Programming and Receiving Trunked SystemsProgramming Trunking FrequenciesThe first step in tracking a trunked system is storing the frequencies in one of the 10available banks in your scanner. Remember that you can only store one trunking system ineach bank.Important: If you are programming an EDACS or LTR trunked system, you must enter thefrequencies in a specific order. Check the frequency guide included with thescanner for the frequencies in your area. For additional frequencies, check thewebsites listed on page 5.1. Press MENU.2. Press ▲ or ▼to select TRUNK DATA and then press E.3. Press ▲ or ▼to select the bank no. and then press E.4. Press ▲or ▼to select the TRUNK TYPE and thenpress E.☞ Remember! You can also use the VFO control for scrolling. Also instead of pressingE, you can press the VFO/SELECT control or press the SELECT/MUTEkey.5. Choose the system you want to track using thekeypad, ▲or ▼and then press E.4. To exit from this mode, press MENUrepeatedly.5. Select a channel using the keypad and then press MAN.6. Enter a frequency for the trunked system using the keypad.For example, enter 867.8375(Type 2) or enter afrequency you are going to track.No. LCD display Icon Trunking Type Special requirements1 Type 2 800 M Motorola Type 2 800 MHz2 Type 1 M Motorola Type 1 a. Must program a fleet map.3 Type 2 900 M Motorola Type 2 900 MHz4 Type 2 UHF M Motorola Type 2 UHF b. Must program base, spacing,5 Type 2 VHF M Motorola Type 2 VHF frequency and offset channel.6 EDCS WIDE E EDACS Wideband 9600 baud c. Must program frequencies7 EDCS Narrow E EDACS Narrowband 4800 baud in exact order 8 LT L LTR and location.BC780XLT1.qxd 10/08/2000 5:02 PM Page 37
38☞Important!7. Press TRUNKfor 2 seconds.A tone sounds, and E, M, or Licon appears on thedisplay according to the system selected.Note: • To clear a mistake while entering the frequency,press (decimal key) repeatedly until thedisplay is cleared.• If you enter a frequency which is out of thesystem’s trunking range, a distinctive beepsounds and ERRORappears on the display.Selecting Trunking Programming Menu ModeTo change the system type which your scanner monitors, you must be in the TrunkingProgramming menu mode.To select this mode, follow these steps:1. Press MENU.2. Press ▲ or ▼to select TRUNK DATA and then press E.3. Select the bank you want to program using ▲, ▼orVFO and then press E.☞ Remember! You can also use the VFO control for scrolling. Also instead of pressingE, you can press the VFO/SELECT control or press the SELECT/MUTEkey.Selecting Trunking System Type1. Select TRUNK TYPE using ▲, ▼or VFO and thenpress E, SELECTor VFO.2. Select the system type you want to programusing ▲, ▼or VFO and then press E, SELECTor VFO.BC780XLT1.qxd 10/08/2000 5:02 PM Page 38
39Setting the SquelchFor trunked reception, a good setting for the SQUELCH control is in the center of the rangewith the red marker pointing up. See the illustration.If set too high (CCW) in some cases it could prevent your scanner fromlocking to the control channel reliably. If set too low (CW) it will slightlydelay finding the control channel. The best setting is the same as forconventional reception, and is not critical.Receiving Trunked SystemsWhen you have properly programmed all the frequencies for a trunked system, you canreceive the system several different ways.You will find that Search, Hold, Lockout, Scan andManual are all similar to conventional scanning.❖TRUNKED SEARCH lets you hear all system talkgroup activity (unit-to-unit I-Callsmay be received as well). This is the best way to get started.❖ID HOLD works with Search mode to let you quickly freeze reception on aninteresting transmission. Or you can manually specify a talkgroup with DIRECTENTRY ID HOLD.❖ID LOCKOUT works with Search to exclude talkgroups that you don't want to hear.❖ID SCAN lets you receive only those talkgroups that you store in Scan Lists.❖MANUAL lets to selectively listen to a talkgroup in your Scan ListsWhen receiving EDACS systems, remember that Uniden's AFS talkgroups give you powerfulflexibility. In a few keystrokes, you can specify a single talkgroup, a fleet, or an entire agencyin all the above modes. Read the section "EDACS Reception" to understand how this works.Trunked SearchOnce you have programmed all the frequencies for a trunked system, SEARCH will let youimmediately start hearing transmissions. It is suggested you try SEARCH mode first.1. Press SCAN, and select the bank(s) you wish to receive, just as you select banks inconventional scanning.2. Press TRUNKto enable trunked reception. The radio will seek and acquire the trunkedsystem control channel. The scanner will now be in MONITOR mode. You will hear thecontrol channel and see active talkgroups on the screen. You will not hear the voicetransmissions in MONITOR mode.☞Hint: MONITOR mode is an excellent way to observe system activity and determinewhich talkgroups are most active. Locked-out IDs display during MONITOR mode.3. Press SRCHto begin searching and receiving. You will hear talkgroups and see them onthe screen.BC780XLT1.qxd 10/08/2000 5:02 PM Page 39
40Talkgroups display differently in Motorola, EDACS and LTR systems.You should read theappropriate parts of this guide to understand the formats.The bottom line of the display indicates the Bank and the type of trunked system you aremonitoring. You can change this to display a bank tag by using the System Menu.Regardless of the system, you won't know exactly who you are receiving until you listen forawhile, or refer to frequency guides or internet sites such as www.trunktracker.com.Ofcourse, figuring out who each ID represents is half the fun of TrunkTracking.Later, when you learn more about a system, you will want to store lists of talkgroups.Then you can scan specific agencies and users, and use the many other features your radio provides.ID Hold and Direct Entry ID Hold ModeJust like in conventional Search, HOLD lets you pause ID Search on an interestingtransmission without storing the talkgroup into memory.If you hear an interesting ID during SEARCH mode, and want to continue listening to it --• Press HOLD/▲to stop the search.HOLDappears in the display.If you want to listen to a specific ID, while in HOLD --• Use the keypad to enter the ID you want and press HOLD/▲.HOLDappears in the display.If you want to stop holding --• Press SRCHto return to Search Mode.ID LockoutLike conventional scanning, it’s possible to lockout unwanted traffic. This is particularlyimportant in trunked systems because in many areas, water meters, door alarms, trafficsignals, and other mechanical devices are assigned IDs just like other users. Also somedepartments scramble or encrypt their communications, and you may want to lock out theseunintelligible broadcasts.To lockout an ID, press L/Owhen the ID displays.The ID is locked out. You can lockout up to 200 IDs.Note: If you lockout an ID in Search mode, it is also locked out in Scan List mode.Conversely, if you lockout an ID while in Scan List mode, it is locked out in Searchmode. For information about Scan Lists see page 42.EDACS BLOCKOUT is a powerful form of ID LOCKOUT that can be used only with AFSand EDACS systems. This feature lets you lock out entire Agencies or Fleets, not justindividual talkgroups. Using ID BLOCKOUT you can, for example, prevent Search fromstopping on any of hundreds of talkgroups in the Utilities agency. You can do this with just afew keystrokes. To use ID BLOCKOUT just enter the Agency- part, or the Agency-Fleet part,of the talkgroup code and press L/O. For example, to Blockout Agency 4 in Trunk Search,press HOLD/▲, 04, (decimal key), and then L/O. For other ways to use partial AFS entry,be sure to read the section "EDACS Reception".BC780XLT1.qxd 10/08/2000 5:02 PM Page 40
41Restoring Locked-out IDsTo unlock a single ID, follow these steps:1. Press MENU.2. Select TRUNK DATA - BANK NO. - L/O ID REVIEWusing ▲, ▼or VFO and pressing E, SELECTor VFO.3. Select the locked out ID you want to unlock using ▲or ▼.4. Press L/O. The ID is unlocked and the next locked ID displays.To unlock all locked out IDs in a bank at once:1. Press Einstead of L/Oin step 4 above.2. To exit from this mode, press MENUrepeatedly.Channel Activity IndicatorsThe BC780XLT has 30 Channel Activity Indicators to visually display a trunked systemsactivity. You’ll always know which frequencies are in use and how much communication trafficis occurring.Each frequency you program in a trunking bank corresponds to an activity indicator at thetop of your scanners display. The way in which the Activity Indicators display provide you withinformation about the system you’re tracking.• The indicator which remains on, even if when there isno traffic, represents the frequency being used as thedata channel.• If an indicator turns on and you don't hear aconversation, then the channel may be used as atelephone interconnect call (some systems) or atalkgroup that has been locked out.• The indicator which flashes when an ID displaysrepresents the frequency being used by the talkgroup.• If you're holding on an ID which isn't active, the activity indicators will turn on and off as other groupsuse the system.BC780XLT1.qxd 10/08/2000 5:02 PM Page 41
42Scan ListsEach bank of your BC780XLT can be a trunk tracking bank and it can be a conventionalscanning bank. When you designate a bank as a trunking bank, your scanner sets up 10Scan Lists, which are simply lists used to store your favorite IDs. Each list can contain up to10 IDs, so you can store a total of 100 IDs for each trunk tracking bank. (1000 if you use allbanks as trunking banks!)Scan Lists help you organize the trunking system users into categories.For example, you might use List#1 for police IDs, List#2 for fire department IDs, List#3 foremergency medical service IDs, etc. Once IDs are stored in lists, you can scan them like youscan conventional frequencies and you can lock out any one (and up to 9) of the 10 scanlists by pressing the corresponding numeric key. When an ID is active, the scan list numbericon into which it is programmed will flash in the display (when the LIST icon is also active –see below).You can program your scan lists either manually or during trunking search mode.SELECT KeyUse the SELECTkey while trunking to toggle between viewing the active Banks and theactive Scan Lists. To see which is currently active, check the display for either the BANKorthe LISTicon.Check the web site www.trunktracker.com or www.bearcat1.com/free.htm for a completelist of talkgroups for your area that you can program into your Scan Lists.Programming ID Scan Lists Manually1. Press MAN, the lowest available ID list number appears on the display.2. Use HOLD/▲and LIMIT/▼to select the Scan Listlocation you want to program.For example, select the third memory location in thefifth scan list.Note: You can also use the keypad to input directly.3. Enter the Type II ID you want to store, and press E.––– OR –––To enter a Type I ID:a. Enter the block number and fleet number.b. Press .c. Enter the subfleet number, and press E.––– OR –––BC780XLT1.qxd 10/08/2000 5:02 PM Page 42
To enter an EDACS®ID:a. Enter ID you want to store.Use the for the “dash”.b. Press E.Hint: Remember that Uniden's AFS format allows you to enter full or partial EDACS IDs forpowerful flexibility in all modes. Be sure to read the section "EDACS Reception" onpage 49 to learn how this works.Note: The BC780XLT defaults to “AFS” talkgroup displays for EDACS®only.––– OR –––To enter a LTR ID:a. Enter Area code and then press .b. Enter Home Repeater number and then press .c. Enter ID you want to store and then press E.Note: To clear a mistake while entering an ID, press and Esuccessively, and start over.4. Press MANor HOLD/▲to select the next Scan List location.Program ID Manually with the Menu ModeNote: It is also possible to do ID programming in the menu mode by selecting TRUNK DATA- BANK NO. - PROGRAM ID. Do the following:1. Press MENU.2. Press ▲ or ▼to select TRUNK DATA and then press E.3. Press ▲ or ▼to select the bank no. and then press E.4. Press ▲or ▼to select the PROGRAM ID and thenpress E.☞ Remember! You can also use the VFO control for scrolling. Also instead of pressingE, you can press the VFO/SELECT control or press the SELECT/MUTEkey.5. Select the ID location using the VFO control, keypad,▲or ▼and then press E. (first number representsthe bank number and second number represents thememory location.)(Direct entry method example: enter“5-1” by pressing 5, ,1.) 6. Press ▲ or ▼to select ID and then press E.7. Enter the ID number using the keypad and then press E.Note: After you have programmed the ID in a selected bank while still in the menu mode,you can set your alpha tag (see page 21), flag the individual ID or talkgroup forrecording (see page 32 and 11), or turn on the beep alert for an individual talkgroup(see page 22).43BC780XLT1.qxd 10/12/2000 9:44 AM Page 43
ID Scan Mode1. Press SCANto begin scanning the lists you have programmed.If you haven't programmed any IDs, ERRORappearsfor a few seconds.2. To remove a Scan List from active scanning, pressthe number of the Scan List on your keypad.The Scan List indicator turns off, and the IDs in thatlist are not scanned.Note: One Scan List must always be active. If you tryand deactivate all the Scan Lists, Scan List 1 willautomatically be active.3. To restore a Scan List to active scanning, press itsnumber again.4. Press SRCHto return to Trunk Tracking Search mode.For motorola and EDACS system, to change yourdisplay between the Scan List indicators and trunkbank display, press SELECT.For LTR systems only, the talkgroup must be active inorder to change the scan list and bank indicators. Ifthe talkgroup is not active, change the scan list byusing the menu screen.Note: • Once you press SCANor SRCHin one bank, all trunking banks will change to that mode.• Selecting a Scan List is also possible in the menu mode. (LTR only)•ID SCANNING appears on the bottom of the screen during Trunk Scan insteadof simply SCANNING.44BC780XLT1.qxd 10/08/2000 5:02 PM Page 44
45Setting Priority in Trunking ModeYou can set priority in your trunking lists, just as you do in your conventional ones. You canset the priority by pressing and holding PRI for 2 seconds. After you’ve set up your ScanList, press PRIto activate it.It’s very similar to conventional priority although there is no “interrupt” during thetransmissions. Priorities are checked in between transmissions.With Priority on, you can hold on an ID in your Scan List, such as Scan List 6, memoryposition 7, and the scanner will check all the priorities in all the active Scan Lists every fewseconds and in between any transmissions on the ID on which you’re holding. The lowestnumbered priority will be checked first. For example, the priority ID in List 1 will be checkedbefore the priority in List 2, etc.Note: This function does not work in LTR tracking.Programming Scan Lists During SearchTo select a Scan List location and store an ID during Search mode, follow these steps:1. When your scanner stops on an ID you want to store,press HOLD/▲.2. Press E, or use HOLD/▲or LIMIT/▼to select the ScanList memory location you want to change, then press E.3. Press SRCHto return to Trunk Tracking Search mode.Deleting a Stored IDTo delete a stored ID:a. Press MAN.b. Use HOLD/▲and LIMIT/▼to select the scan listlocation you want to delete.c. Press 0.d. Then press E.Moving between Scan List MemoriesThere are a number of ways to step and move through your Scan List memories:1. Press MANrepeatedly.2. Or, press MAN, then press HOLD/▲or LIMIT/▼.3. Or, press MAN, next press 0 - 9(scan list number), then press 0- 9(memory position), forexample. To move to Scan List 4, memory position 10, press:MAN, 4, 0, MANBC780XLT1.qxd 10/08/2000 5:02 PM Page 45
46I-Call (Motorola/EDACS)I-Calls are direct unit-to-unit transmissions that are not heard by other system users.YourBC780XLT can receive these transmissions. How you receive I-Calls depends on whetheryou are in Search or Scan mode.During I-Call reception the display will show the Unit ID number of either the transmitting orreceiving mobile unit, not a talkgroup. Unit IDs will display differently according to the type oftrunked system, and will replace the 'n's shown here.EDACS and MOTOROLA TYPE 1 innnnnMOTOROLA TYPE 2 7nnnnnnHint -- There are thousands of Unit IDs in typical systems, but relatively few I-Calls at agiven moment, so it is normally best to let the scanner to receive any I-Call without trying tospecify particular units.I-CALLS IN SEARCH MODEIn SEARCH mode, the scanner default is that I-Call reception is OFF. This means that I-Calls will not be received until you program them to be ON.You have three choices forcontrolling I-Call reception. Through the Menu system, go to TRUNK DATA / BANK NO / I-CALL , and make your selection. The menu choices are:I-CALLs TALKGROUPS1 OFF Not received Received normally This is the BC780XLT default2 ON YES Received normally Use this choice to receive I-Calls together with normal talkgroup traffic.3 ONLY YES NOT RECEIVED Use this setting to listen to I-Calls, and block all talkgroupreception. For quick access tothis mode, press then SRCH.In I-Call ONLY mode, the display will show I-CALL, to warn that only I-Calls will be received.You can HOLD any I-Call ID. Because you can only hold on one ID, and there are two IDsinvolved in any I-Call communication (the transmitting and the receiving units), you might nothear the full conversation, but you probably will.☞In SEARCH mode, when you hear an interesting I-Call, you can enter the instant shortcut then SRCHto enter I-Call ONLY mode. This blocks all talkgroup traffic and lets you hear just the I-Call. To return to normal reception, you must use the Menu system to select the ON or OFF option.Note: When storing I-Call IDs, remember that the ID will be for only one of the units -- eitherthe transmitting or receiving unit. Unless you specifically want to receive a certain ID,it might be better to use the special code in the HINT below.BC780XLT1.qxd 10/08/2000 5:02 PM Page 46
47I-CALLS IN SCAN AND MANUAL MODEYou can store I-Call IDs in scanlists, just like talkgroup IDs, for use by ID Scan and Manualmodes. To program a specific I-Call Unit ID into a scanlist:EDACS or Motorola Type 1Enter followed by the Unit ID digits, then E.Motorola Type 2Enter 7followed by the Unit ID digits, then E.HINT - There is a special code to let you receive all I-Call IDs with a single scanlist entry.Simply enter , 0, E. This will store the special code i0 in an EDACS scanlist, or700000 in a Motorola scanlist. Then, whenever you SCAN this entry, or select it inMANUAL, the scanner will receive any active I-Calls, regardless of the Unit IDs.Note: Motorola I-CALL tracking performance may vary between systems.Multi-TrackThe BC780XLT allows you to track more than one system at a time. Here are somehighlights of this feature:❖You can actually track up to 10 trunking systems at one time.❖You can trunk scan or search and scan conventional frequencies at the same time.❖You can program conventional frequencies in the same bank as trunking systems.After the scanner finishes checking a trunked system for activity, it will conventionallyscan the other frequencies in the bank (remember, only trunking frequencies areprogrammed in TRUNK mode).To scan a mix of trunking and conventional banks, select the banks you wish to be activewith trunking off, then press TRUNK. The scanner will instantly begin scanning. If you havenot programmed a trunking bank with talkgroup ID’s, you will receive NO ID (----)message for that bank. You can switch to SEARCH mode and the scanner will search for anyactive ID’s on the system.Multi-Track Operational DetailsWhen more than one trunk system is active (for example two or more trunked systems or atrunked system and one or more conventional frequencies), the radio jumps betweensystems/frequencies as follows:TRUNK SCAN: The scanner moves to a trunked system and looks for IDs in your ScanList(s) for up to one second. If it finds no activity on your programmed talkgroups, it moveson to conventional channels in the same bank or to the next active bank.If the scanner finds that a talkgroup in one of your active Scan Lists is on the air, you willbegin to hear that communication and the scanner will of course display the propertalkgroup number and any alpha tag. When the communication ends, the scanner will waitfor any delay period (such as a default of two seconds) for any further replies and, if none,the scanner will move to the conventional channels in the same bank or to the next bank.The scanner will not look for any other IDs within the same trunked system (as this wouldslow the scan process). Note that if you press SCANwhile you are listening to one ID, thescanner will check to see if another ID in your Scan List is active. It will disregard the ID towhich you were just monitoring.BC780XLT1.qxd 10/08/2000 5:02 PM Page 47
48TRUNK SEARCH: This mode works similarly to TRUNK SCAN. If the scanner finds any(non-locked-out) ID when it checks the control channel, you will hear it.You will then hearany replies that follow within two seconds (or whatever delay you may have set). After thatthe scanner will move on and not continuously search the system for additional IDs (onbusy systems you would never leave the system if this were the case). Note that if youpress the SRCHkey while monitoring one ID, the radio will check if any other IDs areactive (it will disregard the ID you just left), and if none are active, it will move on.LIMIT/ ▼KEY: If you wish to exit a trunked system without waiting for the currently activetalkgroup to finish its communication, press the LIMIT/▼key. This is particularly helpful onvery busy systems where many talkgroups are active and activity is frequent and long-lasting. Pressing this key will move the scanner on to the conventional frequencies in thesame bank or the next bank.SCAN & SEARCH IconsFor the first time on a Uniden scanner, you will see both the SCANand the SEARCHicons active at the same time. This indicates that the radio is scanning conventional banksand Trunk searching trunking banks. When the radio is trunking, only the SEARCHiconwill be lit. Note that to start a conventional search, you must place the radio intoconventional manual mode and then press the SEARCHkey.BC780XLT1.qxd 10/08/2000 5:02 PM Page 48

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