Crunch 217B Spezifikationen PDF herunterladen (Seite 29)

X-band, occupied by police radar, is also shared for other

uses, such as automatic door openers like the ones used at

supermarkets, burglar alarms, terrestrial microwave

emission, RF braking systems, and other devices. In

addition, other radar detectors in close proximity may falsely

alert your detector.

Compass Calibration

Press and hold the CALIBRATE button (= CITY button) for

more than 2 seconds to access compass calibration mode.

The calibration mode starts with one beep. The detector

flashes the 4 compass LEDs one after another (clockwise)

until the calibration is completed.

Perform the calibration on a level surface, following these

steps:

• Turn the detector on. (See Power & Volume Control.)

• Mount the detector on the windshield or the dashboard

in your vehicle. (See INSTALLING THE DETECTOR.)

• Press and hold the CALIBRATE button (CITY button)

until you see the detector flashing the compass LEDs

clockwise, one after another.

• Drive your vehicle in two circles. The size of the circles

and the direction that you drive does not matter. The

circles do not need to be perfect circles but must be

completed in the same direction. Each circle should take

a minimum of 20 seconds but no more than 1 minute to

complete.

• Press the CALIBRATE button (CITY button).The

detector will end the compass calibration in two beeps

and with the 4 compass LEDs flashing twice altogether.

The compass screen will indicate which direction your

vehicle is pointing. Calibration is now complete.

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Crunch 217B Spezifikationen Seite 29