Uniden Bc785d Trunk Tracker Scanner Owners Manual

7
Terminology
What is Scanning?
Unlike standard AM or FM radio stations, most two-way communications do not transmit
continuously. The BC785D scans the Frequencies you have programmed into the Scanner’s
channels you program until it finds an active frequency.
Scanning stops on an active frequency and remains on that channel as long as the
transmission continues. When the transmission ends, the scanning cycle resumes until
another transmission is received.
What is Searching?
The BC785D can search each of...

TrunkTracker III changes this! Not only does your new BC785D scan channels like a
conventional scanner, it actually follows the users of a trunked radio system. Once you know 
a talkgroups ID, you won’t miss any of the action.
If youre a new scanner enthusiast, you may want to read the first part of this manual and
use your scanner in conventional mode before you begin trunk tracking. Understanding
scanning fundamentals and its terminology will make trunk tracking much easier. A glossary
of other...

9
Feature Highlights
•Trunk Tracking– Follow VHF High Band UHF 800/900MHz trunked public safety and
public service systems just as if conventional two-way communications were used. 
•Digital Capable– With the APCO 25 Digital card (BCi25D) installed, you can monitor
supported project 25 systems.
•Multi-Track– Track more than one trunking system at a time. Scan conventional and
trunked systems at the same time. 
•1000 Channels– Program one frequency into each channel. You must have at least one
channel...

Where to Obtain More Information
Before using your scanner, you must program frequencies into 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 obtain frequency information for your area, contact one of the following:
•Bearcat Frequency Hotline 
(937) 299-0414 (Hours are from 9:00 a.m. to 5:00 p.m. 
Eastern Time Monday through Friday.)
•Bearcat Radio Club
(800) 423-1331 (Hours are from 8:00 a.m....

11
Included with Your Scanner Package
If any of these items are missing or damaged, immediately contact your place of purchase or
Uniden Customer Service at: (800) 297-1023, 8:00 a.m. to 5:00 p.m., Central Time, Monday
through Friday.
• BC785D Scanner
• AC Adapter (AD 580D)
• Cigarette Cord
• DC Cord
• Mounting Bracket
• Telescopic Antenna
• Operating Guide
• Trunk Tracker Frequency Guide 
• Other Printed Material
• E-Scanner Programming Software CD-ROM
• Screwdriver
BC785D  11/8/2 1:01 PM  Page 11 

12
Setup
Connecting an Antenna
You must install an antenna before you can operate the scanner. You have been provided a
standard telescopic antenna that works well with this scanner, but you may want to 
purchases another type to increase the range. To connect the telescopic antenna, simply
connect it to the BNC type ANT. connector on the rear of the scanner. You can purchase a
variety of scanner antennas for both mobile and base station available at a local electronics
store. Choose the one that best...

13
Typical Mounting Methods
The BC785D can be conveniently mounted on a table, bulkhead, overhead, or any other
desired location (refer to figure below for typical mounting methods).
Caution: Make sure there are no hidden electrical wires or other items behind the desired
location before proceeding. Check that free access for mounting and cabling 
is available.
Mounting the Scanner in Your Vehicle
Before you mount the scanner, make sure you have all the necessary materials. Then
confirm that the scanner...

Applying Power for Vehicle Installation
You can power your scanner using either the supplied DC power cord or your vehicle’s
cigarette lighter socket using DC cigarette lighter power cord.
Caution: You must use a power source that supplies 13.8 V DC and delivers at least 
700 mA. Your standard 12 V car battery should be sufficient. The cord
connector’s center tip must be set to positive and its plug must fit the scanner’s
DC 13.8 Vjack. The supplied DC power cord meets these specifications. Using a
power...

Desktop Installation
You can place this scanner on a desk, shelf, or table to use it as
a base station.
1. Flip up the feet for desk installation.
2. Extend the antenna to full vertical position. 
Adjust the angle for best reception.
Applying Power Using Standard AC Power
To power the scanner from an AC outlet, use the provided AC adapter with a 5.5 mm outer
diameter/2.1mm inner diameter tip.
Caution: You must use a Class 2 power source that supplies 13.8 V DC and delivers at
least 700 mA. The cord...

Listening Safely
To protect your hearing, follow these guidelines when you use an earphone or headphones.
•Do not use the earphone to listen to the WX alert siren test. The volume is not
adjustable and damage to your hearing could occur.
•Do not listen at extremely high volume levels. Extended high volume listening can lead to
permanent hearing loss.
•Set the VOLUMEto the lowest setting before you begin listening. After you begin listening,
adjust the VOLUMEto a comfortable level.
•Once you set the...