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APCO P-25 Sound Quality Fine Tuning

With each APCO Project 25 system, particularly at 800MHz,
the sound quality (C4FM Demodulation Threshold) may need
to be fine tuned specifically for that system. If the scanner is
not adjusted correctly, the P-25 voice transmissions will sound
robotic or unintelligible.

To adjust the sound quality to match the P-25 system you
want to monitor follow these four steps:

1. While monitoring a specific APCO P-25 frequency,

press the

HOLD/MAN

key.

Note:

In the Trunking mode, press the

TRUNK

key

instead of the

HOLD/MAN

key.

2. Press and hold the number

9

key.

3. On Line 1 of the screen you will see

SOUND

QULTY: 0050

(for example).

This shows the Sound Quality. The lower the level the
better the Sound Quality. For better Sound Quality
rotate the

VFO

up or down. As the threshold adjusts in

increments of 50 at the bottom of the screen watch the
Sound Quality level increase or decrease and continue
to rotate the

VFO

until you have achieved the lowest

Sound Quality level.

Note:

• When APCO P-25 signal is not received,

SOUND QULTY: ****

appears on the

display.

• You must have the BCi25D card installed and

have an APCO P-25 signal during this
adjustment.

- A chart showing the Threshold Adjustment

Range is listed below.

Threshold Adjustment Range

Note:

• The above Min and Max values are

the calculated values that can be

78

SOUND QULTY:0050

867.8375 P25

Low Mid Upp

0533 1985 3342

Lower

Mid

Upper

Band

Min

Default

Max

Default

Min

Default

Max

800MHz

33

533

1883

1985

1992

3342

3842

UHF

33

633

1883

1985

1992

3342

3842

VHF

330

930

2130

2147

2264

3464

4064

BC250D 11/6/2 11:37 AM Page 78

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Summary of Contents for BC250D

Page 1: ......

Page 2: ......

Page 3: ...16 Menu Description and Numeric Keypad Equivalents 17 Programming 26 Storing Frequencies into Channels in Menu Mode 26 Deleting a Stored Frequency 27 Editing a Stored Frequency 27 Duplicate Frequency Alert 27 Transfer Frequencies 28 Storing Text Tags 28 Beep Alert 29 Programming Tips 29 Scanning 31 Storing Frequencies During Scanning 31 RF Attenuation Feature 32 Setting the Delay Mode for Frequenc...

Page 4: ...61 I Call Motorola EDACS 61 Multi Track 62 EDACS Reception 64 EDACS Tracking 64 Programming EDACS System Frequencies 64 An EDACS Trunked system 65 Special EDACS Features 66 EDACS SCAT 67 LTR Reception 68 LTR Tracking 68 Motorola Reception 69 Motorola Tracking 69 Fleet Map Programming 70 Selecting Preset Fleet Map 70 Programming a Fleet Map 71 Programming a Hybrid System 71 Setting the Base Spacing...

Page 5: ...ties Marine and Amateur ham radio Bands Air Band And much more The chart below identifies the scanner band numbers the frequency range the modulation mode and the default step size settings 1 25 0000 26 9600 AM 5 2 26 9650 27 4050 AM 5 3 27 4100 27 9950 AM 5 4 28 0000 29 6900 FM 10 5 29 7000 49 9900 FM 10 6 50 0000 53 9900 FM 10 7 54 0000 71 9500 WFM 50 8 72 0000 75 9950 FM 5 9 76 0000 87 9500 WFM...

Page 6: ...everse Key 11 Earphone Jack 12 Volume ON OFF Control 13 Squelch Control 14 Remote Jack 15 VFO Control 16 Resume Key 17 Service Key SERVICE 18 Search Key SEARCH 19 Numeric Keypad 20 Trunk Key TRUNK 21 Priority Key PRI 22 Transfer Mute Key TRNSFR MUTE 23 Enter Select Key E RSM 2 1 3 4 5 6 7 8 9 10 22 23 21 20 19 18 17 16 15 14 13 12 11 SEARCH SCAN SERVICE CH FRQ MENU BACK L O SELECT REVERSE TRUNK RS...

Page 7: ...an Search Direction Indicator Chain Search Mode Indicator Service Search Mode Indicator Scan Mode Indicator ID Scan Mode Indicator ID Search Mode Indicator Channel Type Conventional Type Trunk Type Morola Tracking Type LTR Tracking Type EDACS Tracking Type Digital Communications P25 APCO Project 25 Receiving Mode Indicators Signal Meter Battery Indicator ICON P L O SRCH SRVC SCAN ID SCAN ID SEARCH...

Page 8: ...hannel 5 to 155 000 To receive an alert for activity on a specific channel turn on the Beep Alert for that channel Rotate the VFO control to enter the text and using RSM or HOLD MAN to move the cursor After the text is entered press This shortcut card is designed to assist you in getting through the menu screens using the direct entry mode for commonly used features Please read the manual thorough...

Page 9: ...IN SERCH Rotate the VFO control to enter the tag and use RSM or HOLD MAN to move the cursor and then press MUTE SEARCH To begin searching between the Range press To change the alpha tag on the specific search range of frequencies that you set do the following Rotate the VFO control to enter the tag and use RSM or HOLD MAN to move the cursor forward or back and then press If you need any assistance...

Page 10: ...session or use of this scanning radio in a motor vehicle may be prohibited regulated or require a permit in certain states cities and or local jurisdictions Your local law enforcement officials should be able to provide you with information regarding the laws in your community Changes or modifications to this product are strictly prohibited or operation of this product in any way other than as det...

Page 11: ...emory which is used by someone you want to monitor For example the police in your area may broadcast on 460 500 MHz the fire department on 154 445 MHz the highway department on 37 900 MHz etc So when your scanner stops on a frequency you usually know who it is and more importantly you can stop on a channel and listen to an entire conversation This type of scanning is easy and fun As the demand for...

Page 12: ...onal mode before you begin trunk tracking Understanding scanning fundamentals and its terminology will make trunk tracking much easier A glossary of other commonly used terms is provided in the back Refer to the Glossary of Terms section But if you re already an experienced scanner operator you may want to skip to Programming and Receiving Digital and Trunked Systems on page 49 What is APCO Projec...

Page 13: ...n be searched within the bands of your scanner Note The frequency coverage is not continuous and excludes the cellular band 512 806MHz 10 Priority Channels You can assign one priority channel in each bank Assigning a priority channel allows you to keep track of activity on your most important channel s while monitoring other channels for transmissions You can also assign Trunking priority Talkgrou...

Page 14: ...toring text tags up to 16 characters Auto Store The scanner automatically stores found active frequencies into an assigned bank CTCSS DCS The scanner can receive and search for subaudible tones NWR SAME Alert The scanner is compatible with warning siren and message transmissions FIPS Code Six digit FIPS Code emergency and geographic area code programmable LCD Back Light LCD illuminates when you pr...

Page 15: ...ern Time Monday through Friday Bearcat Radio Club 800 423 1331 Hours are from 8 00 a m to 5 00 p m Eastern Time Monday through Friday Scanner Master 800 722 6701 Hours are from 10 00 a m to 5 00 p m Eastern Time Monday through Friday To obtain another copy of the frequency guide contact one of the following Uniden Parts Department 800 554 3988 Hours are from 7 00 a m to 5 00 p m Central Time Monda...

Page 16: ...chase or Uniden Customer Service at 800 297 1023 8 00 a m to 5 00 p m Central Time Monday through Friday BC250D Hand held Scanner AC Adapter Charger AD 600U Ni MH Battery BP 250 Rubber Antenna Remote Cable Beltclip Operating Guide E Scanner Programming Software CD ROM Trunk Tracker Frequency Guide Other Printed Material ...

Page 17: ...an use your scanner while the battery charges To fully charge the battery leave the AC Adapter Charger connected for 14 16 hours Note Disconnect the AC Adapter Charger from the unit when charging is complete Low Battery Indicator When the battery pack is low and needs to be charged appears on the display You will also hear a beep every 15 seconds as an audible alert HOLD MAN CH FRQ RSM SCAN SERVIC...

Page 18: ...en at extremely high volume levels Extended high volume listening can lead to permanent hearing loss Set the VOLUME to the lowest setting before you begin listening After you begin listening adjust the VOLUME to a comfortable level Once you set the VOLUME do not increase it Over time your ears adapt to the volume level so a volume level that does not cause discomfort might still damage your hearin...

Page 19: ... in the hold mode and you should not be receiving a signal on your scanner 1 Press HOLD MAN until you do not hear a signal 2 Make sure that the VOLUME is set to a comfortable listening level 3 Think of the Squelch Control as a gate Turn the SQUELCH control fully counter clockwise This raises the Squelch Gate so high that only very strong signals can get through 4 Turn SQUELCH clockwise until you h...

Page 20: ...n follow along Two things to remember are rotate the VFO through the menu and press E to execute the command For simplicity we have chosen to rotate the VFO control up or down in order to scroll through the menu and the E key for entering or executing a command Once you have pressed the E key and executed the final choice for instance ON or OFF the display backs up to the previous level of options...

Page 21: ...used around the U S 1 WEATHER 1 MONITOR When you select this mode the preprogrammed NOAA weather channel begins to activate 2 ALERT You can set NWR SAME weather alert to 1 ON or 2 OFF With ALERT ON you can enter the mode to program your FIPS code 2 PUBLIC SAFETY 3 NEWS 4 TV BROADCAST 5 HAM RADIO 6 MARINE 7 RAILROAD 8 AIR 9 CB RADIO 0 FRS RACING SPECIAL CHAIN SEARCH 17 1 SERVICE OPTION 2 SCAN OPTIO...

Page 22: ...ts of the Search Range 2 STEPS You can assign a variety of step sizes to the search range Note The default step is usually acceptable and is listed on page 1 3 MODE You can change the Auto receive mode to AM FM WFM NFM 4 ALPHA TAG You can enter an Alpha Tag for any or all of the search ranges 5 TRUNK During Chain Search mode when the scanner finds an active frequency The trunk tracking system will...

Page 23: ...ncy received during the search 6 AUTO STORE You can automatically store active frequencies found during a search into the memory You can select which bank you want to program the found frequencies The audio will be muted during Auto Store 2 SCAN OPTION 1 CONVENTIONAL Choose the channel number The following options are available for the selected channel only Repeat using a different channel number ...

Page 24: ...ATOR The BC250D comes with an RF Attenuation feature If you are near an unusually strong signal source the signal may overload the scanner The scanner may stop repeatedly on that signal and miss other transmissions The RF Attenuation feature works in all modes and attenuates reduces the incoming signal strength to prevent stronger signals from overloading the scanner 6 STEPS Your BC250D is program...

Page 25: ...tor refer to the guide included with the scanner or check out www bearcat1 com Note Some trunking systems require that you know the channel order In these cases you will also need to start programming the trunked system at the start of the bank The scanner defaults to the most common type of trunking system Motorola Type II 800 2 TRUNK CHANNEL 1 FREQUENCY To use Trunk Tracking you need to program ...

Page 26: ... BACK to back out of the Menu To unlock an ID press the L O key To unlock all the IDs that have been locked out press and hold the L O key for about 2 seconds 7 ACTIVITY ID When activity ID is set to ON your scanner receives any transmissions on the ID every 0 5 seconds while scanning 8 I CALL MOTOROLA EDACS Most communications within a trunked system are group calls where one unit such as a dispa...

Page 27: ...EDACS emergency transmission 9 STATUS BIT MOTOROLA On Type 2 trunking systems there is a method by which specialized types of communications utilize unique talkgroup numbers An emergency call will occur on a unique talkgroup from its primary assignment for example Because the BC250D defaults to Status Bit ON mode you never need to worry about missing these transmissions If you ve programmed talkgr...

Page 28: ... function icons Screen Mask removes the frequency receiving mode tone data and signal strength bars This mode is particularly useful in public safety vehicles where information overload is already a problem Screen Mask does not work in Search mode 3 KEY BEEP Use this function to turn 2 OFF the keypad acknowledgement beep The default setting is 1 ON 4 ENTER LOCK Use Enter Lock to prevent accidental...

Page 29: ...de if you have set a subaudible tone CTCSS or DCS for a frequency the scanner will only stop on that frequency if the transmission includes the prescribed tone 3 TONE SEARCH In this mode as soon as the scanner stops on any non trunked channel the scanner will begin to search for any subaudible tone that is being used on a transmitted frequency The scanner will check each CTCSS tone sequentially an...

Page 30: ...155 160 Ambulance operations 462 950 Ambulance operations 462 5625 Family Radio Services channel one 2 Press MENU BACK 3 Select 2 SCAN OPTION 1 CONVENTIONAL by rotating the VFO and pressing E 4 Select a channel a Enter the channel number using the keypad b Then press E 5 Select 1 FREQUENCY and press E a Enter the frequency number using decimal key and the keypad b Then press E 6 Enter the alpha ta...

Page 31: ...quency 1 Press MENU BACK 2 Select 2 SCAN OPTION 1 CONVENTIONAL by rotating the VFO and pressing E 3 Select the channel number you want to edit by rotating the VFO and pressing E 4 Select 1 FREQUENCY by rotating the VFO and pressing E 5 Edit the frequency by using decimal key and the keypad and pressing E Duplicate Frequency Alert If you enter a frequency which has been stored in another channel yo...

Page 32: ...er by storing text tags for easy identification of banks channel transmissions trunking talkgroup IDs etc The text tags can be set at the Menu mode Refer to Understanding the Menu System on page 16 For programming text tags for trunked talk group ID s please refer to page 53 Assigning a Bank Tag to a Bank 1 Press MENU BACK 2 Select 3 SYSTEM OPTION 9 BANK TAG by rotating the VFO and pressing E 3 Se...

Page 33: ...rt The scanner can alert you with three beeps at the beginning of a transmission on an assigned frequency Assigning the Beep Alert to a Channel This alert can be set ON OFF for every channel in Conventional mode In conventional mode 1 Press MENU BACK 2 Select 2 SCAN OPTION 1 CONVENTIONAL by rotating the VFO and pressing E 3 Select the channel number by rotating the VFO and then pressing E You can ...

Page 34: ... five new frequencies into channels 4 through 8 start with channel 4 After you finish programming a channel rotate the VFO up to go to the next higher channel Write down your programmed channels and frequencies and put them in a convenient place in case of accidental reprogramming Frequencies are rounded off according to the step of each channel When you are overwriting a tagged channel with a new...

Page 35: ... scanning enter the bank s number on your keypad The bank s indicator will display again 3 During normal scanning the scanner skips unprogrammed or locked out channels 4 When a transmission is received the scanner stops on that channel When the transmission ends scanning resumes automatically Another method is as follows 1 Press HOLD MAN 2 While the VFO setting is in the channel mode rotate the VF...

Page 36: ...oading the scanner The RF attenuation is set at the Menu mode 1 Press MENU BACK 2 For Search mode select 1 SERVICE OPTION CHAIN SEARCH 4 ATTENUATOR 1 ON by rotating the VFO and pressing E OR For Scan mode select 2 SCAN OPTION 1 CONVENTIONAL by rotating the VFO and pressing E Then select the channel number by rotating the VFO and pressing E Select 5 ATTENUATOR by rotating the VFO and pressing E 3 S...

Page 37: ...D MAN 2 Select a channel a Enter the channel number using the keypad b Press HOLD MAN again OR Rotate the VFO up or down to change the channel 3 Press L O to lockout the channel L O appears on the display Lockout in Scanning Mode If the scanner keeps stopping on a particular channel due to noise or frequent transmissions you may want to keep that channel from scanning 1 Wait until the scanner stop...

Page 38: ...eps when all the channels have been restored Priority Scan When Priority Scan is turned ON your scanner checks the priority channel in the banks you selected every 2 seconds for activity If a signal is present on the priority channel your scanner monitors the channel until the transmission ends then resumes normal scanning You can designate one channel in each bank as a Priority Channel By default...

Page 39: ... scanner only checks priority talkgroups between transmission in 4 second intervals Priority Scan is disabled while M E or L Trunking type icons are illuminated a beep will sound if you try to scan To make it possible turn OFF each function then press PRI to select PRIORITY ON Priority Channel Plus Scan You can scan only the Priority Channels except for the lock out channels in the banks you selec...

Page 40: ...press SEARCH OR Another method is as follows 1 Press and hold SEARCH for 2 seconds 2 Select range number 1 RANGE and program the lowest and highest frequencies the same way as step 3 and 4 above Note The scanner can continuously search up to 10 ranges Chain Search You can select or deselect the search range freely by pressing the corresponding number with the keypad The scanner automatically incre...

Page 41: ... rotating the VFO and pressing E 2 Select 1 ON by rotating the VFO and pressing E 3 Press SEARCH to search up to 10 ranges continuously Note If CHAIN SEARCH is OFF only 1 range can be searched When searching stops press RSM to resume searching When you rotate the VFO while searching you can change the search direction to up or down When searching in WFM it will stop before reaching the desired fre...

Page 42: ...r a frequency press L O when stopping at the frequency you want to skip or when in Search Hold mode Note You can program up to 200 skip frequencies The 201st skip frequency entered causes the first skipped frequency to unlock If all frequencies in the search range are set to skip a beep sounds and it moves to Search Hold mode To resume searching 1 Cancel the Frequency Skip set OR 2 Reset the Searc...

Page 43: ...quencies you want to store Auto Storing The scanner automatically stores active frequencies if Auto Store feature is turned ON But the frequencies already stored can not be stored To make use of this feature set a search range first see page 37 then enter into the Menu mode If you start this feature without setting a search range NO LIMIT DATA appears on the display 1 Press MENU BACK 2 Select 1 SE...

Page 44: ...nsmission the scanner will begin searching all possible subaudible tones one of which may also be in use The scanner counts up through the CTCSS tones and instantly determines any possible DCS tone See page 101 for a listing of the tones that the BC250D decodes Note When Tone Search is active in Scan mode once the CTCSS or DCS display flashes a tone repeatedly meaning that it has found the tone ma...

Page 45: ...press E instead of pressing L O on step 1 or 2 above CTCSS Continuous Tone Coded Squelch System DCS Digital Coded Squelch For example the scanner shows the following displays When Search mode and Tone Search are selected the display shows the frequency and tone data alternately If the Delay feature has been set while in Tone Search mode it resumes scanning after a 2 second delay C 001 512 0000 NFM...

Page 46: ...eypad You will see the range number that you have selected disappears from the display For more information on these options refer to the Menu Descriptions section and Additional Features section Options ATTENUATOR for more information see page 32 1 Press MENU BACK 2 Select 1 SERVICE OPTION CHAIN SEARCH 4 ATTENUATOR by rotating the VFO and pressing E 3 Select 1 ON by rotating the VFO and pressing ...

Page 47: ... directly enter the number listed above Note When you start Service Search by pressing SERVICE you can start Service Search without pressing E 3 After a 3 second delay searching begins for the selected service If you want to start searching immediately press RSM 4 To change the searched service rotate the VFO or directly enter the number listed above after pressing SERVICE Note When you start sear...

Page 48: ...quency by rotating the VFO then press L O To restore all skipped frequencies press and hold L O for 2 seconds Note You can not skip a set frequency in WEATHER service mode If you start the service seaching while all frequencies in service search menu are set to skipped the frequencies you hear a beep and the scanner moves to the Hold mode NWR SAME Alert In addition to the conventional weather broa...

Page 49: ...u recognize the different sirens 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 optional accessories can be purchased to ensure that you are alerted for emergency broadcasts See your dealer or local electronics store for accessories DO NOT USE EARPHONES...

Page 50: ... appears on the display 5 Enter the FIPS code using the keypad 6 Press E Note To cancel the entry press decimal key To clear a stored FIPS code press 0 and E successively 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 web site http www nws noaa gov nwr indexnw htm ...

Page 51: ...S 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 64 EDACS SCAT These systems are mainly used in the Midwestern United States and are one channel trunkin...

Page 52: ... internet access you can visit scanner uniden com or www bearcat1 com free htm for additional information for current news and frequency information about Trunk Tracking Scanning Motorola SMARTNET and PRIVACY PLUS are trademarks of Motorola Inc EDACS is a registered trademark of the M A COM Inc LTR is a registered trademark of E F Johnson Company 48 ...

Page 53: ... program the Talk Groups This is similar to how you program frequencies into channels Here you need to program Talk Group ID s into Locations STEP 1 Selecting or Changing Trunking System Type Before using the Trunk Tracking system you must select the bank and trunk type You can only track one trunked system per bank total of 10 trunked systems 1 Press MENU BACK Remember You can also enter the Trun...

Page 54: ...number by rotating the VFO and pressing E 4 Select 2 TRUNK CHANNEL and enter the channel number by rotating the VFO and pressing E 5 Select 1 FREQUENCY and enter a frequency for the trunked system using the keypad and pressing E 6 Enter the alpha tag and press E See page 53 7 You can also change the step size in this menu See page 103 Note To clear a mistake while entering the frequency 50 HOLD MA...

Page 55: ...ists 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 for emergency medical service IDs etc Once IDs are stored in lists you can scan them like you scan conventional frequencies and you can lockout any one up to 9 of the 10 scan lists by pressing the corresponding numeric key When an ID is active the s...

Page 56: ...or an individual talkgroup see page 22 To enter a Type 2 Talk Group ID 1 Enter the ID you want to store 2 Press E To enter a Type 1 ID For a Type I ID the block number Fleet number and Subfleet number make up the talk group ID number Please see page 98 1 Enter the ID you want to store ID Block number Fleet number decimal key Subfleet number 2 Press E To enter an EDACS ID 1 Enter the ID you want to...

Page 57: ...essing E 3 Select the bank number by rotating the VFO and pressing E You can also enter the Bank number by using the keypad bank 4 Select 3 TALK GROUP and ID location number by rotating the VFO and pressing E 5 Select 2 ALPHA TAG by rotating the VFO and pressing E 6 The cursor appears on the display Rotate the VFO to change letters and press HOLD MAN or RSM to move right or left Both capital and l...

Page 58: ...tively listen to a talkgroup in your Scan Lists TRUNKED SEARCH lets you hear all system talkgroup activity unit to unit I Calls may be received as well This is the best way to get started ID SEARCH HOLD works with Search mode to let you quickly freeze reception on an interesting transmission Or you can manually specify a talkgroup with Direct Entry in ID Hold ID LOCKOUT works with Search and Scan ...

Page 59: ...can List must always be active If you try and deactivate all the Scan Lists Scan List 1 will automatically be active 3 To restore a Scan List to active scanning press its number again 4 Press SEARCH to return to Trunk Tracking Search mode Remember When you press and hold TRUNK for 2 seconds you can switch Trunk Tracking modes Scan or Search Note While ID scanning to change all trunking banks to th...

Page 60: ... in Motorola EDACS and LTR systems You should read the appropriate parts of this guide to understand the formats The display indicates the bank and the type of trunked system you are monitoring You can change this to display a bank tag by using the System Option menu Regardless of the system you won t know exactly who you are receiving until you listen for a while or refer to frequency guides or i...

Page 61: ...ularly important in trunked systems because in many areas water meters door alarms traffic signals and other mechanical devices are assigned IDs just like other users Also some departments scramble or encumber their communications and you may want to lock out these unintelligible broadcasts To Lockout an ID press L O when the ID you want to lockout displays The ID is locked out You can Lockout up ...

Page 62: ...nking you can also check all IDs locked out 2 Select 2 SCAN OPTION 2 TRUNK by rotating the VFO and pressing E 3 Enter the bank number using the keypad and pressing E 4 Select 6 L O ID REVIEW Restoring Locked out IDs To unlock a single ID follow these steps 1 Press MENU BACK 2 Select 2 SCAN OPTION 2 TRUNK by rotating the VFO and pressing E 3 Select the bank number by rotating the VFO and pressing E...

Page 63: ... 2 seconds is automatically set for each talkgroup for ID Scan mode and ID Search mode To set the delay feature enter into the Menu mode 1 Press MENU BACK 2 Select 2 SCAN OPTION 2 TRUNK by rotating the VFO and pressing E 3 Select the bank number by rotating the VFO and pressing E 4 Select 4 DELAY and pressing E 5 Select 1 ON or 2 OFF by rotating the VFO and pressing E Note If you want to verify th...

Page 64: ...ity will be checked first For example the Priority ID in List 1 will be checked before the Priority in List 2 etc Note This function does not work in LTR tracking Programming Scan Lists During Search To 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 MAN 2 Press TRNSFR and the smallest empty Scan List...

Page 65: ...up Unit IDs will display differently according to the type of trunked system and will replace the n s shown here EDACS and MOTOROLA TYPE 1 innnnn MOTOROLA TYPE 2 7nnnnn Hint There are thousands of Unit IDs in typical systems but relatively few I Calls at a given moment so it is normally best to let the scanner receive any I Calls without trying to specify particular units I CALLS IN SEARCH MODE In...

Page 66: ...ts just like talkgroup IDs for use by ID Scan and Scan Hold modes To program a specific I Call Unit ID into a Scan Lists EDACS or Motorola Type 1 Press decimal key followed by the Unit ID digits then E Motorola Type 2 Press 7 followed by the Unit ID digits then E HINT There is a special code to let you receive all I Call IDs with a single Scan Lists entry Simply press decimal key 0 E This will sto...

Page 67: ...bank or to the next active bank If the scanner finds that a talkgroup in one of your active Scan Lists you will begin to hear that communication and the scanner will of course display the proper talkgroup number and any alpha tag When the communication ends the scanner will wait for 2 seconds for any further replies and if none the scanner will move to the conventional channels in the same bank or...

Page 68: ...he thirteen system frequencies Notice how the dotted line shows talkgroup 02 023 moving from channel to channel Your BC250D can clearly and automatically follow this talkgroup or any other as you select EDACS systems are organized in a logical way that keeps related talkgroups together Your scanner is designed to take maximum advantage of this organization to make your scanning easy It lets you ze...

Page 69: ...u see at a glance who you are monitoring And with the partial entry feature you can easily include nearby related channels in the same Fleet or Agency You can just as easily exclude entire unwanted Fleets and Agencies When in Search mode with the system frequencies programmed and your scanner locked to the control channel you can select a desired city by keying in the Agency part of the AFS talkgr...

Page 70: ...of 4 levels By entering only the desired part of an AFS talkgroup you can select 2048 talkgroups 128 talkgroups 8 talkgroups or a single talkgroup For example you could program every talkgroup in a police department with just 4 key presses You can use the AFS Partial Entry feature anywhere that you need to specify EDACS talkgroup Your BC250D can also enter or display EDACS talkgroups in decimal fo...

Page 71: ...ys the original talkgroups cease to be used If you were monitoring one of these talkgroups you might think there was no traffic but in fact the talkgroup was operating at the different temporary number If a talkgroup in your Scan List is patched your scanner will continue to receive it under its new identity until the patch has ended When a patch is being received the radio will display PATCH ID a...

Page 72: ...bers These numbers are in the form AHHUUU where A Area code 0 or 1 H Home repeater 01 through 20 U User ID 000 through 254 When the scanner receives a transmission on a channel set to the LTR mode it first decodes the LTR data included with the transmission In the ID Search mode the scanner stops on the transmission and displays the talkgroup ID on the display In the ID Scan mode the scanner only ...

Page 73: ...Type II systems are slightly more advanced because the central computer maintains a database which is used to determine each radio s affiliation s Changes to a Type II system are easier than Type I because the system manager only needs to update the database instead of reprogramming individual radios Another difference between the systems is that Type I systems are arranged in a Fleet Subfleet hie...

Page 74: ...onitoring either a Type I or Hybrid systems These systems are applied only when STATUS BIT is OFF see page 73 You may also notice that you are missing responses when you hold on an active ID Unlike Type II Type I Hybrid systems require a Fleet Map that sets specific Fleet Subfleet parameters It is easy to select a Fleet Map for your scanner what is not always easy is selecting or programming a map...

Page 75: ...ect the size code for the first block by rotating the VFO 4 Press E The next available block displays 5 Repeat step 3 and 4 until you have selected a size code for each block For details about each size code see Fleet Map Size Codes in the Appendix Programming a Hybrid System A Hybrid system is simply a Type I system with some blocks designated as Type II blocks To program a Hybrid system follow t...

Page 76: ... Select 1 TRUNK TYPE 1 ON 4 TYPE2 UHF or 5 TYPE2 VHF by rotating the VFO and pressing E 5 Select BASE CONFIG from 1 3 by rotating the VFO and pressing E 6 Enter a new Base Frequency with the keypad 7 Press E The display changes for entering the Spacing Frequency 8 Enter a new Spacing Frequency with the keypad Note You can only enter within a range of 5 100 kHz and 5 or 7 5 or 12 5 kHz multiples 9 ...

Page 77: ...e and select 2 SCAN OPTION 2 TRUNK select bank number 9 STATUS BIT This feature does not apply to EDACS and LTR operation within the scanner Then rotate the VFO to change the setting 1 ON to 2 OFF and press E to program your change Control Channel Only Mode When this function is activated trunking is performed using Control Channel data only Voice channel also known as DATA channel frequencies do ...

Page 78: ... 4 frequency plans This plan applies only when the scanner searches the 800 MHz range Since a default plan is automatically used when the scanner searches the 900 MHz range a user does not need to select a plan Note You can assign a Fleet Map to TYPE 1 or Hybrid systems scanned in Control Channel Only mode by going into the Menu You can also program IDs set a delay alpha tags and all the other par...

Page 79: ...ol Channel instead of waiting for the Disconnect Tone Only in rare instances will you need to adjust the default settings The condition to return to Control Channels depends on whether the signal is present or not To set this function to ON OFF select 2 SCAN OPTION 2 TRUNK select bank number 0 END CODE Select 1 DETECT or 2 IGNORE ...

Page 80: ...quencies shared by many departments and the control channel is analog with digital voice Control channel operates at 3600 Baud Mixed mode trunked 3600 system with an analog control channel alternating mixing analog and digital voice communications Note Do not install the APCO card with the AC Adapter connected Installing the APCO P 25 Card 1 Turn OFF the scanner and open the cover 2 Carefully unpl...

Page 81: ...uild up before you touch the BCi25D card 2 Turn OFF the scanner before inserting the BCi25D card into the slot 3 Hold the BCi25D card by its edges when inserting it into the slot 4 Do not touch any of the terminals The BCi25D is a sensitive electrical device 5 Do not operate with an open battery compartment cover This exposes the circuitry to dust and other environmental particles that causes the ...

Page 82: ... The lower the level the better the Sound Quality For better Sound Quality rotate the VFO up or down As the threshold adjusts in increments of 50 at the bottom of the screen watch the Sound Quality level increase or decrease and continue to rotate the VFO until you have achieved the lowest Sound Quality level Note When APCO P 25 signal is not received SOUND QULTY appears on the display You must ha...

Page 83: ...ode To cancel the adjusted threshold level press Decimal key The adjusted threshold level for the current frequency can be set back to the default value by pressing and holding the Decimal key When you change the Sound Quality it affects all other APCO P 25 signals in that same band UHF VHF or 800MHz You cannot enter the Sound Quality Fine Tuning mode when the scanner is operating as follows 1 The...

Page 84: ... port in accordance with the direction of the mark which is on the right side of the scanner Plug the other end of the cable DB 9 serial connector into a personal computer s serial port A few PC s may require an adapter most will not Of course make sure your PC is turned ON To program your scanner You can program and control your scanner remotely from a PC using Uniden s E Scanner software After c...

Page 85: ...m to 5 00 p m Central Time Monday through Friday scanner uniden com PC Control Parameter For your information Transfer speed 2400 4800 9600 19200 bps adjustable Start Stop 1 bit 1 bit Data Length 8 bit Parity bit None Code ASCII code Flow Control None Return Code Carriage Return only Clone Mode You will need to purchase a Gender Changer and a null modem adapter Gender Changer cables are available ...

Page 86: ...rn the radios ON Prepare each scanner for clone mode as follows 1 Press MENU BACK 2 Select 3 SYSTEM OPTION 6 CLONE by rotating the VFO and pressing E 3 Determine the scanner that has the frequency data that you want to transfer This one must be set up as the Master Unit and the other must be set as the Slave Unit 4 On the scanner that is the Master Unit select MASTER then press E 5 On the scanner ...

Page 87: ...is not successful the following error message will appear Note To clear ERROR press decimal key To exit the Clone mode press MENU BACK repeatedly Note Once you have completed the cloning of the scanners reset the scanners by turning the scanners OFF and then ON again This is particularly important to know if you wish to Clone another scanner right away CLONE MASTER UNIT CLONE COMPLETE MASTER UNIT ...

Page 88: ...Select 3 SYSTEM OPTION 1 DIMMER 2 DIMMER TIME by rotating the VFO and pressing E 3 Select 1 15 SECONDS or 2 INFINITE by rotating the VFO and pressing E Enter Lock You can lockout the keypad to prevent re programming of channels talkgroups and tones see page 92 1 Press MENU BACK 2 Select 3 SYSTEM OPTION 4 ENTER LOCK by rotating the VFO and pressing E 3 Select 1 ON by rotating the VFO and pressing E...

Page 89: ...se frequency of the repeater While pressing REVERSE the standard pair frequency will be displayed For a list of the standard pair frequencies refer to the table Reverse List in the Appendix If the frequency that you have chosen does not have an offset frequency the display will indicate ERROR and NO REVERSE This feature does not work in the Weather Search mode Channel Step Selection You can set ch...

Page 90: ... Scan Lists To switch the setting for the VFO control press and hold HOLD MAN for 2 seconds This will change modes from Channel to Frequencies or Frequencies to Channels 1 In Conventional mode when the setting for the VFO is channel rotate the VFO to move up to step up through channels or down to step down through channels If you are in Trunk Manual mode you will step through Scan List memory loca...

Page 91: ...ical noise move it or its antenna away from the source of the noise If possible a higher elevation may provide better reception Cleaning Disconnect the power to the unit before cleaning Clean the outside of the scanner with a mild detergent To prevent scratches do not use abrasive cleaners or solvents Be careful not to rub the LCD window Do not use excessive amounts of water Repairs Do not attempt...

Page 92: ...all channels are Locked Out Weather Scan won t work 1 Adjust squelch threshold refer to page 15 Setting the Squelch 2 Check the antenna 4 Check to see if Key Lock is ON see page 84 Problem Suggestion Scanner won t track 1 Missing the Data Frequency 2 Change to a Type 1 Scanner setup Review Fleet Map Programming on page 70 Scanner won t stop 1 No IDs have been programmed during Scan List mode 2 The...

Page 93: ...cation is not heard DATA sound is heard at the beginning of digital communications Robotic sound is heard When CARD ERROR appears every 10 seconds while you are using P 25 Card 1 Check to see if the P 25 Card is properly installed 1 Check to see if the P 25 Card Mode is 1 ENABLE or 2 DISABLE in the Menu mode 1 Move to a location where the signal strength is strong 2 Modulation accuracy of transmis...

Page 94: ...z NFM 894 0125 956 0 MHz NFM 1240 0 1300 0 MHz NFM Operating Temperature 20 C to 60 C 4 F to 140 F Scan Rate 100 channels per second MAX conventional mode Search Rate 100 steps per second MAX Normal Search 300 steps per second MAX Turbo Search Scan Delay 2 seconds Audio Output 240 mW nominal 8Ω internal speaker 38 mW nominal 32Ω stereo headphone 9 mW nominal 64Ω earphone Internal Speaker 8 ohms 36...

Page 95: ...zz saw sound For the most part it is the sound of the system s central computer directing talkgroups to particular voice working frequencies within the system CTCSS Continuous Tone Controlled Squelch System refers to a system where the radio receivers are equipped with tone responsive devices which allow audio signals to appear at the audio output select voice processing such as scrambling or cont...

Page 96: ...ivided the United States into regions by state and county or parish where applicable then assigned a 6 digit FIPS code to identify each county or parish The first digit represents the county subdivision the next two represents the state and the last three digits represent the county or parish Your scanner can receive all SAME alert signals broadcasted within about a 50 mile radius of where you ins...

Page 97: ... is associated with the ability to program frequencies and other useful information via a computer by means of third party software You can change the transfer speed on the scanner needed to be compatible with your PC See page 81 Scan List When you designate a bank to be a trunking bank your scanner sets up 10 Scan Lists which are simply list of your favorite IDs Each list can contain up to 10 IDs...

Page 98: ...worry what the rest of the groups numbers are The topic of interest will be picked up Talkgroup A group of users within a trunked system that communicates with one another 94 ...

Page 99: ...E CODE 4 SIZE CODE 4 SIZE CODE 12 SIZE CODE 12 SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 Block 1 0 2 3 4 5 6 7 Preset Map 7 Size Code SIZE CODE 10 SIZE CODE 10 SIZE CODE 11 SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 Block 1 0 2 3 4 5 6 7 Preset Map 8 Size Code SIZE CODE 1 SIZE CODE 1 SIZE CODE 2 SIZE CODE 2 SIZE CODE 3 SIZE CODE 3 SIZE CODE 4 SIZE CODE 4 Block 1 0 2 3 4 5 6 ...

Page 100: ...0 Block 1 0 2 3 4 5 6 7 Size Code SIZE CODE 3 SIZE CODE 3 SIZE CODE 11 SIZE CODE 4 SIZE CODE 4 SIZE CODE 0 SIZE CODE 0 SIZE CODE 0 Block 1 0 2 3 4 5 6 7 Size Code SIZE CODE 4 SIZE CODE 4 SIZE CODE 4 SIZE CODE 11 SIZE CODE 11 SIZE CODE 0 SIZE CODE 12 SIZE CODE 12 Block 1 0 2 3 4 5 6 7 Size Code SIZE CODE 3 SIZE CODE 10 SIZE CODE 10 SIZE CODE 11 SIZE CODE 0 SIZE CODE 0 SIZE CODE 12 SIZE CODE 12 Bloc...

Page 101: ... last digit s identifies the Subfleet The details concerning how the size codes are selected by a Type I system designer are highly dependent on the specific needs of the systems users Some organizations may want many subfleets with only a few radios each while another organization may want only a few subfleets with many radios each Your task is to program your fleet map with the same size code as...

Page 102: ... CODE 14 can only be assigned to Block 0 Since these SIZE CODES require multiple blocks you will be prompted for the next available block when programming a Fleet Map For example if you assign Block 0 as an SIZE CODE 12 you will be prompted for Block 2 the next block available instead of Block 1 And if you assign Block 0 as SIZE CODE 14 you would not see another prompt because all available blocks...

Page 103: ...od Watch CFA 0 COASTAL FLOOD Avalanche Watch AVA 0 AVALANCHE Volcano Watch VOA 0 VOLCANO Event Code Standard Event Level Siren Type LCD Display Warning Watch Statement Test Emergency Action Notification EAN 0 EMG NOTIFY Emergency Action Termination EAT 0 EMG TERMINATE National Information Center NIC 0 NATIONAL INFO Tornado Warning TOW or TOR 0 TORNADO Service Thunderstorm Warning SVW or SVR 0 THUN...

Page 104: ...LOOD Hurricane Statement HLS 0 HURRICANE National Periodic Test NPT 0 NATION PERIOD Required Monthly Test RMT 0 MONTHLY Required Weekly Test RWT 0 WEEKLY System Demonstration Practice DMO Note SYSTEM DEMO National Hazard Warning NHW 0 NATION HAZARD Unknown Emergency Tune TV E 0 UNKNOWN TV Unknown Warning Tune TV W 0 UNKNOWN TV Unknown Watch Tune TV A 0 UNKNOWN TV Unknown Statement Tune TV S 0 UNKN...

Page 105: ...88 5 114 8 151 4 203 5 023 051 114 143 174 245 266 332 411 452 506 612 703 025 053 115 145 205 246 271 343 412 454 516 624 712 026 054 116 152 212 251 274 346 413 455 523 627 723 031 065 122 155 223 252 306 351 423 462 526 631 731 032 071 125 156 225 255 311 356 431 464 532 632 732 036 072 131 162 226 261 315 364 432 465 546 654 734 043 073 132 165 243 263 325 365 445 466 565 662 743 047 074 134 1...

Page 106: ... 1 2 3 4 5 6 CHAIN SEARCH SEARCH RANGE RANGE NO SELECT DELAY ATTENUATOR TONE DATA AUTO STORE 1 ON 2 OFF 1 ON 2 OFF 1 ON 2 OFF 1 CTCSS 2 DCS 3 OFF 1 ON 2 OFF 1 2 3 4 5 RANGE STEPS MODE ALPHA TAG TRUNK 1 SERVICE OPTION 2 OFF ENTER LOWER ENTER UPPER 1 5KHz 2 7 5KH 3 10KHz 4 12 5KHz 5 25KHz 6 50KHz 7 100KHz 8 AUTO 1 AM 2 FM 3 WFM 4 NFM 5 AUTO PLAN 1 PLAN 2 PLAN 3 PLAN 4 1 ON 2 OFF BC250D Flow Charts ...

Page 107: ... ID FORM EDACS END CODE MOTOROLA CNTRL CH ONLY TYPE1 TYPE2 800 900 1 2 1 ON 2 OFF 1 ON 2 OFF 1 ON 2 OFF 3 ONLY 1 ON 2 OFF 1 ON 2 OFF 1 AFS 2 DECIMAL 1 DETECT 2 IGNORE TYPE2 800 TYPE1 SYSTEM 1 PLAN1 2 PLAN2 3 PLAN3 4 PLAN4 5 OFF TYPE 2 900 SYSTEM 1 ON 2 OFF FREQUENCY STEPS ALPHA TAG 1 5KHz 2 7 5KH 3 10KHz 4 12 5KHz 5 25KHz 6 50KHz 7 100KHz 8 AUTO 1 2 3 4 5 6 7 8 9 1 2 ON OFF TYPE2 800 TYPE1 TYPE2 9...

Page 108: ...ODE BANK TAG SELECT BANK P 25 CARD BATTERY SAVE DIMMER LIGHT DIMMER TIME 1 ON 2 OFF 1 ON 2 OFF 1 ON 2 OFF 1 2400 bps 2 4800 bps 3 9600 bps 4 19200 bps 5 OFF MASTER SLAVE 1 ON 2 OFF 1 CSQ 2 TONE SQ 3 TONE SEARCH 1 ENABLE 2 DISABLE 1 ON 2 OFF 1 HIGH 2 MEDIUM 1 15SECONDS 2 INFINITE 3 SYSTEM OPTION ...

Page 109: ...ntor or its representatives in connection with the performance of this warranty Warrantor at its option may replace the unit with a new or refurbished unit THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER WHETHER EXPRESS IMPLIED OR ARISING BY OPERATION OF LAW INCLUDING BUT NOT...

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