Whistler GT-138Xi User Manual page 7

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1.
Bracket Release Button – provides quick and easy release of the
mounting bracket.
2.
Speaker – provides distinct audio warnings for X, K, Ka band radar,
safety warning system, laser and VG-2.
3.
Mounting Bracket Location – slot holds mounting bracket firmly.
4.
Radar Antenna – compact, high-efficiency antenna receives radar
signals.
5.
Front Laser Antenna – high gain optical lens provides increased
sensitivity and field of view for leading-edge laser detection.
6.
Rear Laser Antenna – an integrated optical waveguide provides
superior detection of laser signals transmitted from behind.
7.
City Button – reduces the annoyance of false alerts typically
encountered in urban driving areas.
8.
Power / Volume Control – turns unit on/off and adjusts audio level.
9.
Icon Display – offers easy-to-read display to indicate power, city
mode, radar band identification, and signal strength.
10.
Quiet / Menu Button – pressing QUIET before a signal is detected
engages Auto Quiet Mode which automatically reduces the audio
level after the initial warning to a low audio level setting. Pressing
QUIET during a radar/laser encounter silences audio alerts, while
allowing visual alerts to keep you informed. Pressing and holding for
2 seconds allows you to enter Option Select Mode
11.
X / K Band Indicator – shows the unit is receiving an X-band or a K
band signal (flashing).
12.
Ka - Band Indicator – shows the unit is receiving an Ka-band signal.
13.
P - Power On Indicator – shows that the unit is operating and in
Highway mode.
14.
C - City Indicator – shows that the unit is operating in City Mode.
15.
Signal Strength Indicator – shows the strength of the signal being
detected.
16.
V / L – shows that the unit is receiving a VG-2 or Laser signal.
17.
Dim / Dark Mode – engages Dim/Dark modes.
FEATURE DESCRIPTIONS
7

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