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Radio Shack Pro-2054 Owner's Manual page 23

300 channel mobile / base scanner
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20-427 Owner's Manual Draft
The Signal Stalker II feature is more sensitive than portable frequency counters and will
detect transmissions at a greater distance. You can activate the Attenuator to reduce the
sensitivity if desired.
Once an active frequency is found, the transmission is played through your scanner's
speaker, and you can quickly store it in any of your scanner's memory locations.
using Signal Stalker II
Your scanner's Signal Stalker II functions when you press and hold SCAN/(stalker mark)
for approximately 1 second. The Signal Stalker II function can be set to watch for activity
on all band frequencies or Police/Fire FRS frequencies only. To change the all bands to
police/fire or vice versa, press FUNC then (stalker mark).
You can also turn on/off frequency sub-bands using the corresponding number keys while
Signal Stalker II is active.
Note: Priority mode is not available while using the Signal Stalker II.
Press FUNC then /¥, you can change the normal Signal Stalker II operation to the Special
Signal Stalker II operation. In the Special Stalker operation, (stalker mark) flashes and the
frequency range is divided by 1 MHz segment. If you lock out 5 frequencies within a 1 MHz
segment, the scanner will skip that segment in subsequent sweeps. See "Using Signal
Stalker II with Lockout" below.
Note: If the scanner have more than 5 locked out frequencies in each frequency segment,
ALL Fr-IGno appears and the scanner does not operate stalker function.
using Signal Stalker II with lockout
The scanner's lock out feature can be used to bypass unwanted transmissions while using
the Signal Stalker II. Press L/OUT when the scanner is stopped on an undesired
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