RadioShack Pro 70 Portable Scanner Reciever Owners Manual

21
OPERATION
TURNING ON THE SCANNER AND 
SETTING SQUELCH
1. Turn SQUELCH fully counterclockwise before you
turn on the scanner.
2. Turn 
VOLUME clockwise until you hear a hissing
sound.
3. Turn 
SQUELCH clockwise, just until the hissing sound
stops.
Note:
 To listen to a weak or distant station, turn 
SQUELCH
counterclockwise. If reception is poor, turn SQUELCH
clockwise to cut out weak transmissions.
OFFMAXMINMAX VOL UME
SQUELCH
OFFMAXMINMAX VOL UME
SQUELCH
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22
SEARCHING FOR AND STORING 
ACTIVE FREQUENCIES
Your scanner can store up to 51 frequencies. Each fre-
quency can be stored in either a memory called a channel,
or the temporary memory called a monitor. This scanner
has 50 channels and one monitor memory.
You can store frequencies using any of these methods.
• Manually enter and store a specific frequency (see
“Storing Frequencies” on Page 23).
• Search for active frequencies within a range of pre-
programmed frequencies and store selected fre-
quencies...

23
Storing Frequencies
Follow these steps to store frequencies into your scan-
ner’s channels.
1. Press 
PGM. PGM appears on the display to indicate
the scanner is in the programming mode.
2. Use the number keys to enter the channel number
(1-50) where you want to store the frequency, then
press 
PGM again. Or, repeatedly press PGM until the
desired channel number appears.
Notes:
• If you enter an invalid channel number, 
Error
appears on the display. Simply repeat this step.
• If a frequency is...

24
4. Press E/L-OUT to store the frequency. The selected
channel number stops flashing, indicating that the
selected channel is stored.
Notes:
• If you entered an invalid frequency in Step 3,
Error appears on the display after you press E/
L-OUT
. Simply repeat Steps 3 and 4 and enter a
valid frequency in Step 3.
• Your scanner automatically rounds the entered
frequency down to the nearest valid frequency.
For example, if you try to enter a frequency of
151.4730, your scanner accepts it as 151.4700.
• If...

25
Using Band Search
If you do not know of a frequency to store, you can search
your scanner’s preprogrammed search bands for active
frequencies, then store any that you find into your scan-
ner’s channels.
Follow these steps to search for and store active frequen-
cies using band search.
1. Press 
BAND. The last selected band number (b fol-
lowed by a number, such as 
b2) and the associated
frequency search range appear on the display.
2. To select a different band, within 2 seconds, enter
the desired...

26
• To reverse the rapid search direction at any time,
press and hold   or   for about 1second.
• To search the selected band upward or downward
in small increments (in steps of 5 or 12.5 kHz,
depending on the band), press and release   or
 so   or   disappears from the display. See
“Specified Intervals” on Page 39.
3. When the scanner finds an active frequency, it stops
scanning and displays that frequency’s number. To
store that frequency in the channel currently flashing
on the display, simply press...

27
Using Direct Search
During a direct search, the scanner searches upward or
downward, starting from a frequency you specify. Follow
these steps to use direct search.
1. Press 
MANUAL or PGM, then enter the frequency 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 
MANUAL or PGM,
enter the desired channel number, then press 
MAN-
UAL
 or PGM again.
2. Press and hold   or   for about 1 second to search
upward or...

28
USING THE MONITOR MEMORY
After you store a frequency in the scanner’s monitor mem-
ory during a direct search, you can recall it and move it to
one of your scanner’s channel memories.
Listening to the Monitor Memory
To recall a frequency stored in the monitor memory, sim-
ply press 
MANUAL then 0/MON. MAN then MON and the
stored frequency appear on the display.
Moving a Frequency from the Monitor 
Memory to a Channel
1. Press MANUAL, enter the channel number where
you want to store the frequency, then...

29
SCANNING THE STORED 
CHANNELS
To set the scanner to continuously scan through all chan-
nels with stored frequencies, simply press 
SCAN. SCAN
and   appear on the display, and the scanner begins to
rapidly scan upward until it finds an active frequency.
If the scanner finds an active frequency, it stops and dis-
plays that channel and frequency number, then it automat-
ically begins scanning again when the transmission ends
on that frequency.
Notes:
• To reverse the scanning direction, press   or  .
•...

30
MONITORING A STORED CHANNEL
You can continuously monitor a specific channel without
scanning. This is useful if you hear an emergency broad-
cast on a channel and do not want to miss any details —
even though there might be periods of silence — or if you
simply want to monitor that channel. 
Follow these steps to manually select a channel.
1. Press 
MANUAL.
2. Enter the channel number.
3. Press 
MANUAL again.
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