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20-428 Owner's Manual
Your scanner's Signal Stalker II feature provides a powerful new tool for you to rapidly detect,
monitor and store frequencies for nearby radio transmissions. The Signal Stalker II feature is
similar in functionality to portable frequency counters that cost much more than your scanner, but
provides many advantages over typical portable frequency counters. For example:
The Signal Stalker II allows you to sweep the entire range of your scanner's design frequencies, or
you can specify those frequency ranges that you wish to sweep and exclude ranges that you do not
want to sweep. This allows you to omit frequency ranges with constant strong frequency activity,
such as those with paging or broadcast transmitters. Many portable frequency counters will remain
locked to a nearby constant signal, such as a paging or broadcast transmitter, and will not function
properly until you have left the vicinity of the transmitter.
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 (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 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 /¥ or ¥/, you can change the normal Signal Stalker II operation to the Special
Signal Stalker II operation. In the Special Stalker operation, Sp. Stalker appears 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.
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 transmission. Press
FUNC L/OUT to review or clear locked out frequencies in the Signal Stalker II. You can lock out 150
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