Uniden BC860XLT Manuale utente
Contents
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Included with your Scanner. . . . . . . . . . . . . . . . . . . . . 5
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
How Squelch Works. . . . . . . . . . . . . . . . . . . . . . . . . 9
Setting the Squelch . . . . . . . . . . . . . . . . . . . . . . . . 10
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Programming Tips . . . . . . . . . . . . . . . . . . . . . . . . . 12
Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Banks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Channel Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Lockout Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Priority Scan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
To Skip Undesired Frequencies. . . . . . . . . . . . . . . 26
Storing Search Frequencies. . . . . . . . . . . . . . . . . . 28
Weather Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Data Skip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 33
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . 37
Optional Accessories and Replacement Parts . . . . 39
Controls and Display . . . . . . . . . . . . Back Cover Foldout
1
Introduction
The BC860XLT is a new state-of-the-art radio with automatic
scanning capabilities. Store frequencies into 10 banks of 10 channels
each. Scan all 100 channels at Turbo Scan speed.
What is Scanning? Unlike standard AM or FM radio stations, most two-way
communications (listed on the next page) do not transmit continuously.
The BC860XLT scans
programmed
channels at the rate of nearly
100 channels per second 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.
While the BC860XLT scans channels, it is in Scan mode. When
you stop scanning with M, it is in Manual mode.
What is Searching? The BC860XLT can search 12 bands to find active frequencies.
This gives you the opportunity to find new frequencies that have not
been programmed.
Choose between two speeds for the search feature: Normal
(100 steps per second) or Turbo Search (300 steps per second).
While the BC860XLT searches for active frequencies, it is in Search
mode or Turbo Search mode. When you stop the search with H,
it is in Search Hold mode.
2
Types of
Communications Monitor communications such as:
Police and fire department (including rescue and paramedics)
Aircraft
NOAA weather broadcasts (preprogrammed channels)
Business/industrial radio
Motion picture and press relay
Utility
Land transportation frequencies, such as trucking firms, buses,
taxis, tow trucks, and railroads
Marine and amateur (ham radio) bands
And many more in the following 12 Bands:
Frequency Range Transmission
29.0-29.7 MHz 10 Meter Amateur Band
29.7-50.0 MHz VHF Low band
50.0-54.0 MHz 6 Meter Amateur Band
108-137 MHz AM Aircraft
137-144 MHz Military Land mobile
144-148 MHz 2 Meter Amateur Band
148-174 MHz VHF High Band
406-420 MHz Federal Govt. Land Mobile
420-450 MHz 70 cm Amateur Band
450-470 MHz UHF Standard Band
470-512 MHz UHF “T” Band
806-956 MHz Public Service Band except Cellular Band
3
Feature Highlights 100 Channels – Program one frequency into each channel. You
must have at least one channel programmed to use the Scan
mode.
29 MHz - 956 MHz – Scan these frequency ranges with your
scanner. (Note: the frequency coverage is not totally continuous
from 29.0 MHz to 956 MHz.)
10 Priority Channels – Assign one Priority channel in each bank.
Keep track of the activity on most important channel(s) while
monitoring others.
Data Skip – Skip data signals and unmodulated transmissions.
Manual Channel Access – Go directly to any channel.
Memory Backup – Frequencies programmed in the channels are
retained in memory. If the power is disconnected, the memory
retains the frequencies for 7 days.
Twin TurboTM Speed – With both Turbo Scan and Turbo Search,
your BC860XLT is truly a Twin TurboTM Scanner.
Weather Scan – Use as a weather information radio.
Scanner Care &
Safety Tips Do not use the scanner in high-moisture areas such as the
kitchen or bathroom.
Do not plug the scanner into an outlet controlled by a wall switch
as prolonged periods without power causes scanner memory loss.
Avoid placing the unit in direct sunlight or near heating elements
or vents.
4
Included with your Scanner
☞If any items are missing or damaged, immediately contact your place of purchase.
☞Read this Operating Guide thoroughly before operating the scanner.
☞Complete and immediately mail the Registration Form. 5
Where to Obtain
More Information Before you can scan, you must program a frequency into each
channel you want to use. The “
Betty Bearcat Starter Frequency
Guide
” lists typical frequencies used around the U.S. that you may
program into the BC860XLT.
If the frequencies listed in the “
Betty Bearcat Starter Frequency Guide
”
do not work in your area, call the enclosed “Mr. Scanner” 800 number.
A Uniden representative should be able to provide you with a few
sample frequencies. Or, use the enclosed order form to purchase a
local frequency list.
The Bearcat Radio Club and other similar hobby clubs have
publications, information on computer bulletin boards, and even
contests for the radio enthusiast.
Also, your local library has more information.
6
Setup
Note
Extend the antenna to its full height. For UHF
frequencies, shortening the antenna may
improve the reception.
If your scanner receives strong interference or
electrical noise, move the scanner or its
antenna away from the source.
If you are operating the scanner in a fringe area
or need to improve reception, use an optional
antenna designed for multi-band coverage.
(You can purchase this type of antenna at a
local electronics store.)
If the plug at the end of the cable does not
match the antenna jack, you may need to
purchase an adapter.
Plug an optional external speaker
(ESP25, 8 ohms) into the EXT.SP jack.
Warning!
Use only the supplied AC Adapter - AC144U
7
8
Basic Operation
Note: Fold out the illustration from the Back Cover to see the Controls and Indicators while reading this Guide.
How Squelch Works
Think of “SQUELCH” as a gate. If the
gate is too low (squelch too low),
everything (all noise as well as signals)
gets through.
If the gate is set too high (squelch too
high), nothing gets through. If the gate is set just right (squelch set
properly), just the desired signals get
through.
The BC860XLT Squelch has two options. AUTO Squelch - a level preset at the factory;
and Manual Squelch, where you can set the squelch level as needed by conditions.
9
Setting the Squelch
Adjust VOLUME to a comfortable listening level.
Auto Squelch
AUTO is a compromise between tight
and threshold. It is a convenience for
listening to stronger signals. ➪Note: Be sure that the Squelch control
clicks
into the AUTO position.
Manual Squelch
To manually set the Squelch, you must
be in the Manual Mode.
No signal should be present when
adjusting squelch.
Press Muntil you do not hear
a signal.
Turn until hiss heard.
This lowers the “squelch gate,” allowing
all signals and noise to get through.
Turn just until hiss stops.
This raises the “squelch gate” allowing
only strong signals to get through.
➪➪
10
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