Whistler XTR-420 Radar Detector User Manual


 
Quiet Mode
Quiet cancels audio during an alert and any new
alert within 20 seconds. After 20 seconds,
a
pproximately 2 beeps are provided on any new
alert and unit then remains quiet.
• Press Quiet to cancel the audio.
• To restore the standard audio alert pattern,
p
ress Quiet a second time during an alert
or tun
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.
Low Profile Alert Periscopes
Whistler’s Low Profile Alert Periscopes provide an
added attention getting visual alert. The two extra
LED’s flash on and off when the unit alarms to
provide a unique visual alert. This alert can be
programmed through the Option Select Mode to
be: ON, OFF, or FLASHING during alerts.
OPERATION
City/City I/City II Mode
Whistler’s Three Stage City Mode is designed to
reduce the annoyance of automatic door
o
peners, 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
e
ngage City mode.
D
isplay will switch from “
H
H
to “
C
C
• P
ress City again to enter City
I
I
Mode
• Press City again to enter City
I
I
I
I
Mode
N
N
o
o
t
t
e
e
: After 3 seconds, “
I
I
” or “
I
I
I
I
” City Mode
indicator turns off.
• Press City a fourth time to cancel City
I
I
I
I
Mode
and return 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 1 and City 2
Modes operate the same as Highway Mode, but
in City 1 Mode, X band requires a stronger
signal to alert. In City 2 Mode, X-band is not
detected.
Caution: Some towns/small cities may still be
using X band radar. City Modes do not change
the audio alert for laser or VG-2.
Highway Mode
Highway mode provides full audio warnings any
time radar (X, K, Ka, Safety Radar) or laser
signals are detected, and is recommended for
open r
oad driving. For more information on City and
Highway modes, please visit our FAQ page on our
website:
www.whistlergroup.com
OPERATION
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
D
im/Dark Mode reduces the illumination of the
display
Press and release the Dark button to reduce
illumination to a dim setting.
• Press and release the Dark button a second
time to engage 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.
• Press and release the Dark button a third time
to restore the display to full illumination.
VG-2 Detection
When a VG-2 signal is detected, the VG-2 alert is
sounded for 3 seconds and the display flashes
the “
V
V
/
/
L
L
” icon for 30 seconds.This cycle is
repeated if the VG-2 signal is again detected.
During the period a VG-2 signal is detected, a
radar signal cannot be detected. However,
because the VG-2 alert has confirmed that a
patrol car is nearby, you are already aware of the
potential for speed monitoring and can adjust
your speed accor
dingly
. Laser detection is not
affected while a VG-2 signal is detected.
OPERATION
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