Westfalia 91 40 90, Original Instructions Manual

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8
Operation
the same direction until the sound and light turn off. Reverse
direction and mark the spot where the display and sound start.
The midpoint of the two spots is the approximate centre of the
detected object. A flashing LED means it getting close to the
detection object.
While detecting the entire underside of the detector must touch
the wall.
LED Light:
1. The first red LED (4) (METAL) illuminating indicates the
detection of metal
2. The green LED (3) (ON) illuminating indicates successful
calibration.
3. The second red LED (2) (AC) illuminating indicates the
detection of a live wire.
Detection Range:
Live Wire: Range approx. 5 cm
Metal:
Range approx. 6 cm
Switching OFF:
Press the button once more to switch the unit off.
If you hear a “Beep” sound 5 times after switching on the sensor
it means the battery level is low and the Batteries need replace-
ment.
Auto Switch Off
When the green light is illuminated, the detector turns off after
three minutes with no activity. It will emit 3 short “Beep” sounds
followed by a longer “Beep” and then turn off.
Maintenance and Cleaning

Remove the battery before undertaking any cleaning or
maintenance work.

Use only a moist cloth to clean the unit. Do not use aggressive
chemicals which may dissolve plastic parts, or abrasives.