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OPERATION
Auto Shut Off Mode
Auto Shut Off Mode automatically shuts off the
detector. The timer is reset:
1. Each time the detector is turned off
2. The optional power cord is unplugged
3. Any button is pressed before the timer has expired.
This auto off function can be programmed for
the following: Off, 1, 2, or 3 hours. The detector
will alert you with an audible and visual warning
before it shuts off. During this warning you can
reset the timer by pressing any button. If the unit
has automatically turned itself off, press the Power
button to turn the unit back on. You can manually
engage the Auto Shut Off Mode by pressing and
holding the City button until one beep is heard.
Refer to "Option Select Mode" for instructions
for changing the Auto Shut Off Mode settings.
Filter Mode
There are times when a radar detector can emit
the same frequency as police radar and can
cause your detector to falsely alarm. Sometimes
a detector can display a signal when picking up
another radar detector in vehicle close by. The
Whistler Filter Mode option provide a method
to study the signal which will verify if the signal
is a legitimate police radar or a false alert from
another detector.
Filter: Allows for normal filtering.
Filter 1: Provides an extra step to analyze the signals
that may come from other detectors.
Filter is the factory default and should provide adequate
filtering for most conditions. If you experience excessive
alerts due to radar detectors in other vehicles, try the
Filter 1 option. Filter Mode functions in both Highway
and City Modes. See Option Select Mode to change
Filter settings.
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POP
MODE ALERTS
POP
Mode Alerts
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Because POP
Mode radar utilizes the same
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K or Ka band frequencies, POP
Mode Alerts will be
™
displayed as regular radar alerts.
LASER/RADAR ALERTS
Speed Radar Audio/Visual Alerts
When X, K, or Ka is detected, the band ID and
signal strength are displayed. The audio alert
is continuous and has a pattern like a geiger
counter. The faster the beep, the closer or
stronger the radar source.
Laser Audio/Visual Alerts
When a laser signal is detected, the audio alert is
continuous for a minimum of 3 seconds.
• The Display Shows:
Pulse Protection
®
Pulse (instant-on) radar is more difficult to
detect than conventional radar because it
remains 'off' until activated to measure the
speed of a targeted vehicle.
When a pulse type transmission is detected, the
Whistler detector sounds an urgent 3-second
audio warning and the display shows:
After the 3-second pulse alert, the standard alert
pattern continues for as long as the signal is
present.
It is important to respond promptly to a pulse
alert, since warning time may be minimal.
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XTR-543 Owner's Manual
OPERATION
Option Select Mode
Entering Option Select Mode allows you to customize
options such as Tone Select, Abbreviated Power Up
Sequence, and VG-2 Mode. Press the Menu button to
enter Option Select Mode. When selecting options,
the Power/BL or Quiet/VOL buttons must be pressed
within 20 seconds or Option Mode will automatically be
exited. To enter:
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VG-2 ALERTS
VG-2 Audio/Visual Alerts
Note: You must turn this feature on before it
will detect VG-2.
When a VG-2 signal is detected, the detector 'hides'
its own radiated signal and becomes undetectable
by the VG-2.
Every 30 seconds, the detector checks for a VG-2
signal. If a VG-2 signal is still present, the unit
continues to hide and repeats the VG-2 alert. If no
signal is detected, two beeps are provided,
indicating an 'all clear' condition. During a VG-2
Alert X, K, and Ka band signals cannot be
received (Reference page 21 for VG-2 information).
Alert Priority
When two or more signals are received at the
same time, the alert priority is:
1. Laser
2. VG-2
3. Speed Radar
4. Safety Radar
Example:
If X band is alerting, then suddenly a VG-2
signal is detected, the VG-2 warning will
override the X band alert.
TFSR - Traffic Flow Signal Rejection
When turned on in option mode, helps
eliminate excessive alerts from erroneous X
and K-band sources. Traffic flow monitoring
systems are getting more common. Many
of these systems generate radar signals to
measure the flow of traffic across multiple lanes.
Most detectors will alert you to it unnecessarily.
This rejection feature examines the incoming
signal and will aid in reducing the alerts to such
sources.
We suggest you turn TFSR on if you are
experiencing excessive X or K band false alerts
every half mile or so along stretches of roadway
that contain these traffic flow sensors.
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OPERATION
Stay Alert Feature
The Stay Alert Feature is designed to test a driver's
alertness. To engage (when unit is not alarming) :
• Press and hold the City button for
approximately 2 seconds. Release button during
or immediately after the alert is given. Display
shows:
Within 30-60 seconds an alert is sounded; to
show alertness, the driver must press either the
City, Volume, or Quiet buttons within 3-5 seconds. If
a button is pressed within 3-5 seconds, the cycle is
repeated.
If a button is not pressed within 3-5 seconds alarm
sounds and the display shows:
• Press Power to exit.
WARNING!!! Stay Alert is NOT intended as a
substitute for adequate rest. You should NOT
operate a vehicle if you are drowsy. During
extended periods of vehicle operation, you
should take frequent breaks. Improper reliance
on the Stay Alert feature may result in vehicle
damage, personal injury or death. NEVER
OPERATE A VEHICLE IF YOU ARE DROWSY.
Safety Warning System
In communities where transmitters are located,
the Safety Warning System
displays over 60
™
text messages. When Safety Radar is detected,
a unique audio alert sounds.
Safety Warning System Text
Example: Poor - Road - Surface.
Note: Not all areas have Safety Warning
System
transmitters.
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RESET FEATURES
Reset Features
All user features can be reset to factory settings.
• Unplug the Power Cord from the unit.
• Remove the Batteries.
• Press and hold Power/BL and Quiet/Vol
buttons.
• Plug the Power Cord into the unit.
• Wait for 2 beeps.
• Release Power/BL and Quiet/Vol buttons.
Unit is now reset to the following features
and settings.
Default factory settings are:
1. Audio to level (4).
2. Highway/Combo Mode.
3. Auto Quiet Mode OFF.
4. VG-2 Detection Mode OFF.
5. Safety Radar OFF.
6. Vehicle Battery Saver to 1 hour.
7. Full Power Up sequence.
8. Default TONE 3.
9. Voice ON.
10. POP OFF.
11. Backlighting Dim/Bright.
12. Periscopes to Flashing.
13. TFSR OFF.
TROUBLESHOOTING
Your Whistler detector is expertly engineered
and designed to exacting quality standards to
provide you with reliable, trouble-free operation.
If your unit has been correctly installed following
the guidelines in this manual, but is not
operating optimally, please refer to the
troubleshooting guide below.
PROBLEM: No display or audio.
• Make sure the batteries are installed with the
correct polarity.
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