RadioShack Pro 96 Truking Scanner Owners Manual

91 basis. Trunking ID delay specifies
the amount of time the scanner
dwells on the control channel
looking for reply traffic on the
previous talkgroup before
resuming scan operation.
Customizing the trunked ID delay
may be useful if you are missing a
lot of reply traffic on a particular
system. We recommend starting
with the default value of 2.0
seconds.
1. While in the desired ID list,
press
FUNC, and then
./DELAY.
2. PressSorTto select None,
0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5,
or 4.0 seconds.
3. Press...

921. Press
PGM.
2. Press
TRUNKto enter a talk
group ID memory mode.
3. Select a talkgroup ID bank
using
FUNC,SorT.
4. Press
FUNCand then6.
Confirm list clear? 1=YES Press 
other key for NO. 
appears in the
scanner’s display.
5. Press
1to clear all talkgroup
IDs within a bank.List cleared
appears in the scanner’s
display.
To cancel the delete operation,
press any key except
1.The
scanner returns to the talkgroup ID
memory mode.
DIGITAL 
OPERATION
Your scanner is equipped with
advanced Digital Signal...

93 that support both analog and
digital modulation. Certain user
groups on these systems may use
analog modulation, while others
use digital modulation. Your
scanner will automatically detect
the type of modulation being used
and switch to the correct
modulation mode without special
programming or user intervention.
Your scanner also features
Intelligent Adaptive Digital
Tracking for optimal reception of
digital signals from a variety of
digital conventional and trunked
radio system types. No special...

94happens, try reorienting the
scanner or antenna for better
reception. You may also try
pressing the
AT Tkey and apply
attenuation to reduce the overload
effects of nearby strong
transmitters.
Under certain very weak digital
signal conditions, the scanner may
lose synchronization with the
digital signal and briefly revert to
analog FM, resulting in the
reception of the raw, undecoded
digital signal. This is a normal
indication of a digital signal that is
too weak to decode.
UPDATING THE DSP 
F
IRMWARE...

95  The PC to scanner interface
cable
 A personal computer running
Windows 95 or greater
 A firmware update file from
www.radioshack.com
Follow these steps to update your
scanner’s DSP firmware:
1. Go to http://
www.radioshack.com
2. Click on the Support button.
3. Click on Scanner Firmware
Downloads.
4. ClickonPRO-96DSP
Firmware
5. Full download and upgrade
instructions are provided on
the Firmware Upgrade page.
6. To check the DSP version
number, turn on the scanner
and press
3whileWelcome to...

96
A GENERAL GUIDE TO 
FREQUENCIES
Reception of the frequencies
covered by your scanner is mainly
“line-of-sight.” That means you
usually cannot hear stations that
are beyond the horizon.
US Weather Frequencies 
(in MHz)
Ham Radio Frequencies
Ham radio operators often
transmit emergency information
when other means of
communication break down. The
chart below shows the frequencies
the scanner receives that ham
radio operators normally use.
Birdie Frequencies
Every scanner has birdie
frequencies. Birdies...

97 Birdies typically occur with
approximately equal strength with
and without the scanner’s antenna
attached. If you receive an
interfering signal and suspect that
it is a birdie, try removing the
scanner’s antenna. If the
interference disappears, the
interference may be the result of
other electronic equipment in the
vicinity of the scanner. If the
interference remains, it is likely a
birdie signal.
It may be possible to adjust the
squelch control and/or attenuator
to minimize the effects of a birdie...

98Though your scanner’s receiver is
an advanced, triple conversion
design engineered to minimize
birdie interference, some birdie
signals cannot be avoided and
may impair your ability to monitor
certain frequencies.
GUIDE TO THE ACTION BANDS
TYPICAL BAND USAGE (IN MHZ)
HF Band
VHF Band
220 MHz Band
UHF Band
940.9437950.07500950.150001244.16250
1251.30000 1251.37500 1262.59375 1268.77500
1271.800001282.100001282.175001282.25000
1282.32500 1299.46250
HF Range 25.000–26.960
Citizen’s Band26.965–27.405...

99
800MHz Band 
PRIMARY USAGE
As a general rule, most radio
activity is concentrated on the
following frequencies:
VHF Band
UHF Band
Remote control stations and
mobile/portable units operate at 5
MHz higher than their associated
base stations and relay repeater
units in the UHF band.
BAND ALLOCATION
To help decide which frequency
ranges to scan, use the following
listing of the typical services that
use the frequencies your scanner
receives. These frequencies are
System Inputs 806.000–824.000
System...

100 subject to change, and might vary
from area to area. For a more
complete listing, refer to Police
Call Radio Guide including Fire
and Emergency Services,
available at your local RadioShack
store.
AbbreviationService
AIR Aircraft
BIFCBoise (ID) Interagency Fire Cache
BUS Business
CAPCivil Air Patrol
CCA Common Carrier
CSBConventional Systems
CTSB Conventional/ Trunked Systems
FIREFire Department
HAM Amateur (Ham) Radio
GOVTFederal Government
GMR General Mobile Radio
GT RGeneral Trunked
IND Industrial...