Uniden Bc785d Trunk Tracker Scanner Owners Manual

3:MODEfor the receiver mode choices and then press Eor VFO. 
Select 4:ALPHA  TAGto enter an alpha tag using the VFOand then press E. 
Select 5:TRUNKto switch ON or OFF for Trunk Search.
Starting Chain Search 
1. After setting the search ranges, select 1:SERVICE  OPTION/ :CHAIN  SEARCH
/ 1:CHAIN  SEARCHby rotating the VFOand pressing E.
2. Select 1:ONby rotating the VFOand pressing E.
3. Press SRCHto search up to 10 ranges continuously.
Remember! You can also use or instead of rotating the VFO.
Also...

Frequency Skip
If a particular frequency continues to interrupt search scanning, it is possible to set your
scanner to skip the frequency.
To skip over a frequency, press L/Owhen 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)...

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Auto Storing
The scanner automatically stores active frequencies if its 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 36), then enter into the Menu mode. If you start this feature
without setting a search range, NO  LIMIT  DATAappears on the display.
1. Press MENU.
2. Select 1:SERVICE  OPTION/ :CHAIN  SEARCH/ 7:AUTO  STORE by
rotating the VFOand pressing E.
3. Select 1:ONby rotating the VFOand...

•Tone Lock (out) mode
For either a Memory channel or a Search Range, you can lock a particular subaudible
tone by pressing L/Oafter scrolling to the desired tone. The scanner will stop on any
transmission except those which may be using the locked subaudible tone.
To set your scanner, enter into the Menu mode.
1. Press MENU.
2. Select 3:SYSTEM  OPTION/ 8:SQ  MODEby rotating the VFOand pressing E.
3. Rotate the VFOto select one type (1:CSQ,2:TONE  SQ,3:TONE  SEARCH)
and press E.
4. To set Tone Lock mode,...

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Additional Menu Options for Searching
Each of these additional menu options applys to all search ranges entered. If there is a
range that you do not want an option to apply, then simply enter the range number on the
numerical keypad. 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:
RECORD(for more information see page 16).
1. Press MENU.
2. Select...

Service Search
The Service Search feature allows you to scroll through the following twelve preprogrammed
services. The frequencies selected for these services are the most commonly used around
the U.S.
• 1:WEATHER• 7:RAILROAD
• 2:PUBLIC  SAFETY• 8:AIR
• 3:NEWS• 9:CB  RADIO
• 4:TV  BROADCAST• 0:FRS
• 5:HAM  RADIO• :RACING
• 6:MARINE• :SPECIAL
1. Press SRVC.
––– OR –––
Another method is as follows:
To set Service Search, enter into the Menu mode.
1. Press MENU.
2. Select 1:SERVICE  OPTIONby rotating the...

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During the search of one of the preprogrammed services, the lowest display line will indicate
the service that you are searching. To stop the search, press /HOLD or LIMIT/. Rotate
the VFO or using or to move up or down one programmed frequency or press RSMto
resume searching.
Service Search Skip
You can set the scanner to skip the unwanted frequencies during Service Search. 100
skipped frequencies are programmable.
1. To skip over a frequency, press L/Owhen stopping at the frequency you want to...

Testing the Alert Siren
To test and recognize the difference between the types of alert sirens, perform the following
steps:
1. During WX Hold mode and when the WX ALT is OFF, press and hold the PRIkey for 2
seconds until you hear the statement alert siren. SIREN  TESTappears on the display
and the statement, watch and warning sirens sound alternately.
Note: The samples of 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...

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Digital and Trunked Systems
Your BC785D is designed to monitor APCO Project 25 digital communication systems (using
optional BCi25D) and tracks three major types of trunked radio systems. These systems are
described here.
❖APCO Project 25 Systems - Digital systems which support the APCO  Project 25 protocol
developed by the Telecommunications Industry Association (TIA) and Electronic
Industries Alliance (EIA). Systems can operate in conventional, trunked and mixed-
modes (analog and digital) in any...

Programming and Receiving
Digital and Trunked Systems
There are three steps for programming a trunked sytem:
1. Program the Trunk Type – What type of system will the scanner be tracking, Motorola
Type II, Type I, EDACS, LTR, etc.
2. Program the Trunked Frequencies – Within a trunked system, the frequencies are
shared among all the users, called “Talk Groups”.
•Within the bank you decide which channels to program the trunked frequencies.
3. Program the Talk Groups – Within the trunked system, each agency...