RadioShack Pro 79 Vhf Uhf Handheld Scanner Reciever Owners Manual

							21 Air
Amateur Radio
Marine
3 453.0375–453.9625 12.5
458.0375–458.9625 12.5
460.0125–460.6375 12.5
465.0125–465.6375 12.5
Frequency Range (MHz) Step (kHz)
108.000–136.9875 12.5
Group Frequency Range (MHz)Step 
(kHz)
1 29.000–29.700 5
2 50.000–54.000 5
3 144.000–148.000 5
4 420.000–450.000 12.5
Channel Frequency (MHz)
06 156.3000
07 156.3500
08 156.4000
09 156.4500
10 156.5000
11 156.5500
12 156.6000
13 156.6500 Group Frequency Range (MHz)Step 
(kHz)
20-314.fm  Page 21  Monday, December 13, 1999  12:55 PM 
						

							22
14 156.7000
15 156.7500
16 156.8000
17 156.8500
18 156.9000
19 156.9500
20 157.0000/161.6000
21 157.0500
22 157.1000
23 157.1500
24 157.2000/161.8000
25 157.2500/161.8500
26 157.3000/161.9000
27 157.3500/161.9500
28 157.4000/162.0000
64 156.2250
65 156.2750
66 156.3250
67 156.3750
68 156.4250
69 156.4750
70 156.5250
71 156.5750
72 156.6250
73 156.6750
74 156.7250
77 156.8750
Channel Frequency (MHz)
20-314.fm  Page 22  Monday, December 13, 1999  12:55 PM 
						

							23
78 156.9250
79 156.9750
80 157.0250
81 157.0750
82 157.1250
83 157.1750
84 157.2250/161.8250
85 157.2750/161.8750
86 157.3250/161.9250
87 157.3750/161.9750
88 157.4250
Channel Frequency (MHz)
20-314.fm  Page 23  Monday, December 13, 1999  12:55 PM 
						

							24
MONITOR MEMORIES
The scanner has 20 monitor memories that you can use to tem-
porarily store frequencies while you decide whether to save
them into channels. This is handy for quickly storing an active
frequency when you are searching through an entire band. You
can store a frequency into a monitor memory during a service
bank, or direct search. See “Finding and Storing Active Fre-
quencies” on Page 28.
You can select monitor memories manually, but you cannot
scan them. See “Listening to a Monitor Memory” on Page 31.
20-314.fm  Page 24  Monday, December 13, 1999  12:55 PM 
						

							25
OPERATION
TURNING ON THE SCANNER/SETTING 
VOLUME AND SQUELCH
1. Turn SQUELCH fully counterclockwise (until the indicator
points to 
MIN) before you turn on the scanner.
2. To turn on the scanner, turn 
VOLUME clockwise until you
hear a hissing sound.
3. Turn 
SQUELCH clockwise, just until the hissing sound stops.
Notes:
• To listen to a weak or distant station, turn 
SQUELCH coun-
terclockwise. If reception is poor, turn 
SQUELCH clock-
wise to cut out weak transmissions.
• If 
SQUELCH is adjusted so you always hear a hissing
sound, the scanner will not scan or search properly.
4. To turn off the scanner when you finish, turn 
VOLUME coun-
terclockwise to 
OFF.
RESETTING/INITIALIZING THE SCANNER
If the scanner’s display locks up or does not work properly after
you connect a power source, you might need to reset or initialize
the scanner.
Important:
 If you have problems, first try to reset the scanner
(see “Resetting the Scanner” on Page 26). If that does not work,
you can initialize the scanner (see “Initializing the Scanner” on
Page 26); however, this clears all information stored in your
scanner’s memory.
20-314.fm  Page 25  Monday, December 13, 1999  12:55 PM 
						

							26
Resetting the Scanner
1. Turn off the scanner, then turn it on again.
2. Insert a pointed object, such as a straightened paper clip,
into the reset opening on the side of the scanner (as
shown). Then gently press the reset button inside the open-
ing. Information disappears from the display as you press
the reset button.
Note:
 If the scanner still does not work properly, you might need
to initialize the scanner (see “Initializing the Scanner”).
Initializing the Scanner
Important:
 This procedure clears all information you stored in
the scanner’s memory. Initialize the scanner only when you are
sure the scanner is not working properly.
1. Turn off the scanner, then turn it on again.
2. Hold down 
MON/CL.
3. While holding down 
MON/CL, insert a pointed object (such
as a straightened paper clip) into the reset opening on the
side of the scanner, then gently press the reset button inside
the opening. Information disappears from the display as you
press the reset button.
4. Release 
MON/CL. The display turns on.
Note: 
You must release the reset button before releasing 
MON/
CL
; otherwise the memory might not clear.
20-314.fm  Page 26  Monday, December 13, 1999  12:55 PM 
						

							27
STORING KNOWN FREQUENCIES INTO 
CHANNELS
Good references for active frequencies are the RadioShack Po-
lice Call Guide including Fire and Emergency Services
, Official
Aeronautical Frequency Directory
, and Maritime Frequency Di-
rectory
. We update these directories every year, so be sure to
get a current copy.
Follow these steps to store frequencies into channels.
1. Press 
MAN, enter the channel number (1–200) where you
want to store a frequency, then press 
PGM. The channel
number appears.
2. Use the number keys and 
• to enter the frequency (including
the decimal point) you want to store.
3. Press 
ENT to store the frequency into the channel.
Notes:
• If you made a mistake in Step 2, 
Error appears and the
scanner beeps when you press 
ENT. Simply start again
from Step 2.
• Your scanner automatically rounds the entered frequency
down to the closest valid frequency. For example, if you
enter a frequency of 151.473, your scanner accepts it as
151.470.
• If you entered a frequency that is already stored in
another channel, the scanner beeps three times and dis-
plays the lowest channel number where the frequency is
already stored, and 
–dUPL– then the frequency
flashes. If you want to store the frequency anyway, press
ENT again. Press MON/CL to clear the frequency.
20-314.fm  Page 27  Monday, December 13, 1999  12:55 PM 
						

							28
•Press DELAY if you want the scanner to pause 2 seconds
on this channel before it proceeds to the next channel
after a transmission ends (see “Delay” on Page 36). The
scanner also stores this setting in the channel.
4. To program the next channel in sequence, press 
PGM and
repeat Steps 2 and 3.
FINDING AND STORING ACTIVE 
FREQUENCIES
Searching the Service Banks
Your scanner contains groups of preset frequencies called ser-
vice banks. Each service bank is associated with a specific ac-
tivity (see “Service Banks” on Page 20). You can search for fire/
police, air, ham, and marine transmissions even if you do not
know the specific frequencies that are used in your area. Then
you can store the frequencies you found into the scanner’s
channels or monitor memories.
Notes:
• You can use the scanner’s delay feature while searching the
service banks, see “Delay” on Page 36.
• To listen to the marine bank, see “Listening to the Marine
Bank” on Page 34.
1. Press 
BAND. The last selected band name ( such as HAM),
SRCH, -b-, frequency and the group number (if any)
appear.
2. To select a different band, repeatedly press 
BAND until the
desired band name appears on the display. After about 2
seconds, the scanner begins searching rapidly in that band
for an active frequency.
Notes:
• To reverse the search direction at any time, hold down s
or t
 for about 1 second.
• To search up or down the band in small increments,
repeatedly press s
 or t
. (See “Service Banks” on
Page 20 for frequency steps).
20-314.fm  Page 28  Monday, December 13, 1999  12:55 PM 
						

							29
• To pause the search while receiving a signal, press s
 or
t
. To resume searching, hold down s
 or t
.
• To quickly move up or down through the frequencies, hold
down s
 or t
. The scanner tunes through the frequencies
until you release s
 or t
.
• If necessary, you can select search groups using the
number keys.
3. When the scanner finds an active frequency, it stops
searching and displays the frequency’s number. To store the
displayed frequency in the lowest available channel, press
PGM then ENT. The channel and frequency flash twice, and
the scanner stores the displayed frequency. The scanner
then continues to search for frequencies.
Notes:
• If there is no empty channel, 
Ch-FULL appears after you
press 
PGM. To store more frequencies, you must clear
some channels. See “Clearing a Stored Channel” on
Page 34. To continue searching after 
Ch-FULL appears,
hold down s
 or t
.
• If you entered a frequency that is already stored in
another channel, 
-dUPL- (duplicate) and the lowest-
numbered channel containing the duplicate frequency
flash for about 3 seconds. If you want to store the fre-
quency anyway, press 
ENT again. You can then delete
the frequency later. See “Clearing a Stored Channel” on
Page 34.
4. To store the displayed frequency in a monitor memory,
press 
MON/CL. The monitor memory number, M, and the fre-
quency flash twice.
5. To search for another active frequency in the selected band,
hold down s
 or t
 for about 1 second. To select a different
band and search for another active frequency, repeat Steps
2–4.
Using Direct Search
During a direct search, the scanner searches up or down, start-
ing from a frequency you specify. Follow these steps to use di-
rect search.
20-314.fm  Page 29  Monday, December 13, 1999  12:55 PM 
						

							30 Note:
 You can use the scanner’s delay feature while using di-
rect search.
1. Press 
MAN then enter the frequency (including the decimal
point) you want to use as a starting point for the search.
Note:
 To start from a frequency already stored in one of
your scanner’s channels, press 
MAN and enter the desired
channel number, then press 
MAN again.
2. Hold down s
 or t
 for about 1 second to search up or down.
–d–, SRCH, and s
 or t
 appear.
Notes:
• To reverse the search direction at any time, hold down s
or t
 for about 1 second.
• To search up or down the selected band in small incre-
ments (5, 12.5, or 25 kHz steps), repeatedly press s
 or
t
.
• To pause the search, press s
 or t
. To resume search-
ing, hold down s
 or t
.
• To quickly move up or down through the frequencies, hold
down s
 or t
. The scanner tunes through the frequencies
until you release s
 or t
.
3. When the scanner finds an active frequency, it stops
searching and displays the frequency’s number. To store the
displayed frequency in the lowest available channel, press
PGM then ENT. The channel and frequency flash twice, and
the scanner stores the displayed frequency. The scanner
continues to search for frequencies.
Notes:
• If there is no empty channel, 
Ch-FULL appears. To store
more frequencies, you must clear some channels. See
“Clearing a Stored Channel” on Page 34. To continue
searching after 
Ch-FULL appears, press and hold down
s
 or t
.
20-314.fm  Page 30  Monday, December 13, 1999  12:55 PM