Installation operation, Operation – Whistler XTR-440 User Manual

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INSTALLATION

OPERATION

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Windshield Mounting

• Install the two suction cups and rubber bumper

onto the bracket by fitting them into their holes.

• Press the suction cups onto the windshield at the

location you have chosen.

• Slide the detector onto the bracket until it locks

into place.

• If necessary, the unit may be leveled by bending

the windshield bracket.

• Press the bracket release button and remove the

detector before bending.

Power Cord Connection

• Plug the small end of the power cord into the

unit’s power jack.

• Plug the large end into the vehicle’s cigarette

lighter socket.

N

No

otte

e:: Cord fits tightly into detector. When installing

the cord, expect some resistance.

Fuse Replacement

The lighter socket plug is equipped with a
replaceable 2 amp 3AG fuse located behind the
silver tip. To replace the fuse, carefully unscrew
the tip of the plug.
IIm

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an

ntt:: Unscrew slowly. The tip contains a spring

which may fly out when disassembling. Insert the new fuse

with the spring and screw on the tip. With use, screw cap

on plug may loosen. Retighten occasionally.

Unscrew the tip of the lighter socket plug
carefully when replacing the 2 amp fuse.

Battery Life

The unit can provide approximately 15 hours of
laser/radar detection. There are settings that can
maximize battery life.
1) Display intensity set to Dim
2) Auto Quiet engaged
3) Auto Shut Off set to 1 hour
4) Use a lower volume setting
5) Use Mute whenever possible
Important: The detector’s display will flash and
three fast beeps will sound when the batteries
have approximately one hour of battery life left.
This is a reminder to recharge your batteries.

Battery Charging

Power Cord - Plug your included power cord
into the detector and into the lighter socket to
slowly charge the rechargeable batteries. This
will also provide power to the detector. The
display will show an
asterisk, i.e., when the unit is
charging the batteries. The asterisk will flash
during charging and go out when charging is
complete.
When the power cable is removed from the
detector or the vehicle’s lighter socket is
switched off, the unit will alarm and
display then turn off.

N

No

otte

e:: The unit will continue to charge when powered off

until it senses a full charge.

IIm

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ntt:: As with all battery operated devices, remove

the batteries when this unit will not be used for an
extended period of time. Damage caused by leaky or
improperly charged batteries are not covered under
warranty. Check with the battery manufacturer about
their specific product warranty and disposal
recommendations.

Windshield
Mounting

Rubber Bumper

Unit Must Be Level

OPERATION

Power On and Self-Test

Each time your Whistler detector is turned on,
an automatic self-test sequence confirms that
the speaker and visual displays are functional.
• Press Power. Display shows in order:
1. X-Band 2. K-Band 3. Ka-Band 4. LASER
5. POP ON 6. VG-2 7. SR 8. BSAV
9. BAT 1

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0.. FILTER

Setting Saver

Setting Saver saves your personalized settings
when the detector is turned off or you lose power.

Feature Engaged Confirmation

Each time a button is pressed one beep confirms
feature “on”, two beeps confirm feature “off”.

Audio Level Adjustment

• Press and hold the “Quiet/VOL” button and the

volume level will increase then proceed to
decrease the volume. Continuing to hold this
button will repeat the sequence. As audio level
is adjusted, beeps are provided and the display
indicates volume level.

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/VOL (before a signal is detected)

to engage Auto Quiet.

• Press Quiet (when the unit is not alarming) to

cancel Auto Quiet mode.

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