Radio Shack 22-1680 - Manual (Page 26)

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If the detector gives a false alert when you use accesso-
ries such as power windows, motorized mirrors, brakes,
and so on:
• Check the vehicle’s electrical system, including the main
battery cable and alternator connections.
• Install a filter capacitor (1,000
µ
f, 35 volts, such as Cat. No.
272-1032) on the back of the cigarette-lighter socket, across
the power connections.
If the detector performs the power on self-test (see “Turn-
ing the Detector On and Off” on Page 12), but does not
respond to radar signals when you see a police car:
• A police car might not be equipped with radar, or might be
using instant-on radar and not have the radar gun triggered
(see the separate booklet
Questions and Answers About
Vehicle Speed Detection).
• Police might be using VASCAR-type speed detection (see
the separate booklet Questions and Answers About Vehicle
Speed Detection).
If the detector has poor laser detection range:
• Be sure the laser detection lenses are not blocked.
• Use lens-cleaning solution to clean the laser detection
lenses and the windshield.