RadioShack Pro 74 Vhf Uhf Race Scanner Reciever Owners Manual

31
USING THE PRO-74 AT THE RACES
The PRO-74 is specially designed to help you listen to communications
at auto races. Drivers and their pit crews and corner watchers, pace
car drivers, security officers, emergency personnel, track officials, and
representatives of governing organizations such as NASCAR, SCCA,
and NHRA all use radios to communicate with each other during a
race. You might also hear transmissions from the news media and re-
porters, local police departments, and paramedics and doctors at...

32
Follow these steps to store a car number and frequency.
1. Press 
MAN then RACE. RACE and Car No?--- appears.
2. Enter the car number. If the number is one or two digits, enter the
number, then press 
RACE. If the number is three digits, enter the
number only. The car number and 
---.
--- appear.
Notes: 
• If you add one or more leading zeros to a single-digit car num-
ber, your scanner recognizes them as different car numbers.
For example, you can enter 
5 for one car number, 05 for
another car...

33
Viewing Frequencies Associated with a Car Number
After you store a car number and associate frequencies with that num-
ber, you can view all frequencies associated with the number.
1. Press 
MAN then RACE. RACE and Car No?--- appears.
2. Enter the car number. If the number is one or two digits, enter the
number, then press 
RACE. If the number is three digits, just enter
the number. One of the frequencies associated with the car num-
ber appears.
3. Repeatedly press s or t to view each of the...

34
FINDING WHAT CAR NUMBERS ARE IN 
WHAT CHANNELS
If you are listening to a channel and want to know what car number you
are hearing, simply press 
RACE twice. If a car number has been asso-
ciated with this frequency, the car number and frequency appear.
Press 
RACE twice to return to normal channel listening.
To see what car numbers are stored, press 
MAN then RACE, then re-
peatedly press  . The car numbers (from lowest channel number
to highest) show.
DATA
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35
SPECIAL FEATURES
TURNING MEMORY BANKS ON AND OFF
You can turn each memory bank on and off. When you turn off a bank,
the scanner does not scan any of the 10 channels in that bank.
While scanning, press the number key that corresponds to the bank
you want to turn on or off. When 
BANK appears, the scanner scans all
the channels within the displayed banks that are not locked out (see
“Locking Out Channels”).
Notes:
• You can manually select any channel within a bank, even if that
bank is turned off.
•...

36
The scanner automatically designates each banks first channel as its
priority channel. Follow these steps to select a different channel as the
priority channel.
1. Press 
PROG.
2. Enter the channel number you want to select as the priority chan-
nel, then press 
PRIORITY.   appears to the right of the channel
number.
3. Repeat Steps 1–2 for the channel in each bank you want to pro-
gram as a priority channel.
To confirm all priority channel numbers, press 
PROG, then repeatedly
press 
PRIORITY to step...

37
USING THE KEYLOCK
Once you set up and store channels into your scanner, you can protect
it from accidental changes by turning on the keylock feature. When
locked, the only controls that operate are 
SCAN, MAN, KEYLOCK/,
VOLUME, and SQUELCH. 
To turn on the keylock, hold down 
KEYLOCK until K/L appears. To turn
it off, hold down 
KEYLOCK until K/L disappears.
USING THE DISPLAY BACKLIGHT
You can turn on the display backlight for easy viewing at night. Press
 to turn it on for 15 seconds. To turn it off...

38
Notes: 
• You can use Hypersearch only in the 5 kHz step bands (29–54
MHz and 137–174 MHz.
• Since the marine service bank is not in one of the 5 kHz step
bands, you cannot use Hypersearch in the marine service bank.
TURNING THE KEY TONE OFF/ON
Your scanner comes set so each time you press a key, you hear a
tone. To turn off the key tone, follow these steps.
1. Turn off the scanner.
2. While holding down 
L-OUT/S/S, turn on the scanner. OFF bEEP
appears for about 3 seconds.
To turn the key tone back...

39
SKIPPING DATA SIGNALS
You can set the scanner so it skips nonmodulated or data signals (such
as modem transmissions) during a search or scan. 
Note:
 Since data signals are not generally found in the air band, this
feature does not work in the air band. 
To turn on the data skip feature, press  .   appears. To turn
off the feature, press   again.   disappears.
DATADATADATADATA
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40
A GENERAL GUIDE TO SCANNING
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.
GUIDE TO FREQUENCIES
National Weather Frequencies
Canadian Weather Frequencies
Note: 
The Canadian frequencies are not preprogrammed in this scan-
ner, but you can manually search or store them.
VHF FM Marine Frequencies
162.400 162.475 162.525
162.425 162.500 162.550
162.450
161.650 161.775 163.275
Chan-
nel 
No.Frequency...