Whistler XTR-185 ユーザーズマニュアル

Quiet Mode

Quiet cancels audio during an alert and any new
alert within 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.

Auto Quiet Mode

Auto Quiet reduces the selected audio level to
level (1) approximately 5 seconds after a radar or
safety radar signal is detected.  The alert for any
new signal within 20 seconds will resume at level
(1). Auto Quiet does not affect VG-2 or laser
alerts.
• Press Quiet/Menu (before a signal is detected)

to engage Auto Quiet. 

• 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.

City/City I/City II Mode

Whistler’s Three Stage City Mode is designed to
reduce the annoyance of automatic door open-
ers, intrusion alarms and other devices which
share frequencies with police radar. Generally, X
band is used for these devices.

• Press City to cancel Highway mode and 

engage City. Display will switch from “H

H” to “C

C”

• Press City again to enter City II Mode 
• Press City again to enter City IIII Mode 

N

No

otte

e: After 3 seconds, “II” or “IIII” City Mode

indicator turns off.

• Pressing City a fourth time cancels City IIII Mode

and returns the unit to Highway Mode.

In City Mode, weak speed/safety radar signals
give an initial alarm of two beeps, and then
remains quiet unless the signal becomes very
strong.  When the signal strength increases, two
additional beeps are provided. City II and City IIII
Modes operate the same as Highway Mode, but
in City II Mode, only the X band sensitivity is low-
ered. In City IIII Mode, X-band is not detected.
Caution: Some towns/small cities may still be

Highway Mode

Highway mode provides full audio warnings any
time radar (X, K, Ka, Safety Radar) or laser sig-
nals are detected, and is recommended for open
road driving.
For more information on City and Highway mode,
please visit our FAQ page on our website:

www.whistlergroup.com

Teach/Tutorial Mode

Provides simulated alerts for each type of signal.

• Press City and Quiet simultaneously and release.
• Unit will go thru all the bands detected. 
• Press Power to exit.

Dim/Dark Mode 

Dim/Dark Mode reduces the illumination of the
display

• Press and hold “Power” for 2 seconds to 

reduce illumination to a dim setting

• Pressing and holding the “Power” button a 

second time engages Dark Mode. The 
display illumination is further reduced.

Dim or Dark can be engaged during an alert. In
Dark Mode, the display goes dark for as long as
a signal is being detected and 20 seconds after,
then the display returns to the dimmer setting.

• Pressing and holding the “Power” button a 

third time restores the display to full 
illumination.