Whistler 1790SE Owner's Manual page 8

OPERATION
Auto Quiet Mode
Auto Quiet reduces the selected audio level to level (1)
approximately 5 seconds after a radar or safety radar sig-
nal is detected. The alert for any new signal within 20 sec-
onds will resume at level (1). Auto Quiet does not affect
VG-2 or laser alerts.
• P ress Quiet/Menu (before a signal is detected) to
engage Auto Quiet. Display reads:
• Once the Auto Quiet mode is engaged, you may cancel
the audio alarm by pressing Quiet.
• Press Quiet (when the unit is not alarming) to cancel
Auto Quiet mode.
Quiet Mode
Quiet cancels audio during an alert and any new alert with-
in 20 seconds. After 20 seconds, approximately 2 beeps
are provided on any new alert and unit then remains quiet.
• Press Quiet to cancel the audio.
• Press Quiet a second time during an alert to restore the
standard audio alert pattern; or turn the unit off, then on.
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OPERATION
City/City 1/City 2 Mode
W h i s t l e r's Three Stage City Mode is designed to reduce the
annoyance of automatic door openers, intrusion alarms and
other devices which share frequencies with police radar.
Generally X band is used for these devices.
• P ress City to engage City. Display re a d s :
• P ressing City a second time engages City 1. Display re a d s :
• P ressing City a third time engages City 2. Display re a d s :
• P ressing City a fourth time cancels City, City 1, and City 2.
Display re a d s :
In City Mode, weak speed/safety radar signals give an initial
a l a rm of two beeps, and then remains quiet unless the signal
becomes very strong. When the signal strength incre a s e s ,
two additional beeps are provided. In City 1 Mode, only the
X band sensitivity is lowered. In City 2 Mode, X-band is not
detected. CAUTION: When selecting this mode, some
towns/small cities may still be using X band radar.
If Auto Quiet is engaged in City 1 or City 2 modes and the
unit receives a strong radar signal, the unit perf o rms the Auto
Quiet feature. City Modes do not change the audio alert for
laser or VG-2.
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