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8. TROUBLESHOOTING
Ranging does not work. The display is transparent.
Check the charge of the battery. Replace it if it is weak.
Ranging does not work.
The display indicates results of the
last measurement.
Wait until display becomes transparent, and press the Action
button again.
Compass readings are equal to zero at any direction.
Wait until display becomes transparent, and press the Action
button again.
If this does not help, perform the compass calibration.
Black dots are visible on LCD
Liquid Crystal Display may have small black dots, scratches
and other blemishes inherited from the manufacturing
process. These flaws are strictly regulated by number, area
and location and do not degrade the product's measurement
capabilities.
Range measurement cannot be obtained.
• Make sure that neither your hand nor finger is blocking
objective lens, laser emitting lens or receiver lens.
• Hold the unit firmly (avoid hand tremor) while pressing
the Action button.
• Check that the target is within measuring range of the
device and the gating mode does not cut it off.