RadioShack Pro 2051 Trunk Track Scanner Owners Manual

Scanner software. 
After connecting the scanner to a PC, turn the scanner ON. 
To use the Remote (PC Control) mode, you must install Radio Shack’s 20-426 
Scanner software 
and use as directed. Make sure that your  scanner is connected to the serial port 
of the PC 
using the RS232C straight cable. 
Start Remote Mode and Change Transfer Speed: 
1. Press and hold RMT for 2 seconds to activate the Remote 
mode. 
2. Select the transfer speed except for , then press E and 
the scanner will start Remote mode....

Start Remote Mode and Change Transfer Speed: 
1. Press and hold RMT for 2 seconds to activate the Remote 
mode. 
2. Select the transfer speed except for , then press E and 
the scanner will start Remote mode. 
A unique feature of the 20-426 is that all the front panel keys on the radio 
remain operational 
in Remote mode. 
For information on purchasing 20-426 Scanner software to program and con\
trol 
your 20-426, 
you can contact the following: 
Radio Shack Parts Department (800) 554-3988 
(Hours are...

in Remote mode. 
For information on purchasing 20-426 Scanner software to program and con\
trol 
your 20-426, 
you can contact the following: 
Radio Shack Parts Department (800) 554-3988 
(Hours are from 8:00 a.m. to 5:00 p.m. Central Time 
Monday through Friday) 
scanner.Radio Shack.com 
PC Control Parameter 
For your information: 
Transfer speed : 9600/19200/38 400/57600 bps (adjustable) 
Start/Stop bit : 1 bit, 1 bit 
Data Length : 8 bit 
Parity Check : None 
Code : ASCII code 
Flow Control : None...

transfer. This one 
must be set up as the First Unit, and the other must be set as the Clone 
Unit. 
3. On the scanner that is  the Clone Unit, use the   or   key 
to select , then press HOLD/RESUME. 
4. On the scanner that is  the First Unit, use the  or   key to 
select , then press HOLD/RESUME. 
 
 
Care and Maintenance 
General Use 
. Turn the scanner OFF before disconnecting the power. 
. Always write down the programmed freq uencies in the event of memory loss. 
. If memory is lost, simply...

scanning. 
 
Troubleshooting 
If your 20-426 is not performing properly, try the following steps. 
Problem Suggestion 
1. Make sure you are scanning in Highway Mode. 
2. Check antenna connections. 
3. Conditions to activate the alarm are variable and depend upon the timing of 
the dispatcher transmissions and proximity of patrol car to your vehicle. Also, 
terrain and other factors may be involved. 
4. Officer has the ability to turn off the  mobile extender when off-duty, or when 
going to court, etc.,...

Scanner wont work. 
Improper reception. 
Scan wont stop. 
Scan wont start. 
Weather Scan wont 
work. 
Radio transmissions 
(conversations) are 
cutting in and out in 
Highway mode. 
 
If you experience difficulty while in TrunkTracker mode, try the following steps. 
If you still cannot get satisfactory results while using your scanner or\
 if you 
want additional 
information, please call or write the Radio Shack Parts and Service Division. 
The address and 
phone number is listed in the warranty at  the...

Scanner wont stop 
during Scan List mode. 
Scanner will not acquire 
data channel. 
Missing replies to 
conversations. 
Channel Activity 
Indicators are flashing 
but no sound is heard. 
Scanner not tracking an 
EDACS system properly. 
 
Specifications 
Certified in accordance with FCC Rules and Regulations Part 15, Subpart C, as 
of date 
of manufacture. 
Channel: 1000 
Banks: 10 (50 channels each) 
Service Bands: 9 preprogrammed search bands 
(including the NOAA and Canada Weather Service band)...

Window Mount Antenna (included) 
Antenna Jack: BNC type 
External Jacks: External Speaker (EXT.SP.) (3.5 mm) 
DC 12 V Power Jack, (center is positive) 
Remote Control (REMOTE) Jack (DB-9) 
Size: 7.06 in. (W) x 6.10 in. (D) x 2.44 in. (H) 
176.5mm (W) x 152.5mm (D) x 50.8mm (H) 
Weight: 1.1 kg (2 lbs 7 oz.) 
Features and specifications are all  subject to change without notice. 
 
 
Limited Warranty 
 
RadioShack Corporation 
Fort Worth, Texas 76102 
 
Cat. No. 20-426 
 
09A04 
Printed in China...

WX alert (1050 Hz) : WXA 
 
During an alert, press any key, then an alert stops. If you do not press any key, 
then the scanner continues sounding the alert beep. 
Although alert beep (warning beep, watch beep ,advisory beep) is sounded at 
short intervals for 5 minutes, after that , the emergency beep will be sounded 
beep at intervals of 10 sec.  
 
Programming FIPS code 
To specify a county, SAME uses a st andard established by the US Census 
bureau, called FIPS. The format of a FIPS code is: 
DSSCCC...

To set to alert all FIPS, press []  or  []  to move “ALLF ‚hPS”. 
And press  [E]. Then go to WX hold mode. 
To set to alert only the area you have programmed, press  []  or  []  to move 
“F1” to “F15”. And press  [E]. Then go to WX hold with WX alert. 
Press  [HOLD]  to exit this mode.  
 
 
 
SIGNAL STALKER 
Signal Stalker 
Your scanners Signal Stalker feature lets you set the 
scanner so it detects then displays the frequency of 
a nearby strong radio transmission. You can set the 
scanner so Signal...