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9. TROUBLESHOOTING
Ranging does not work. Display is transparent.
Check the power supply.
Ranging does not work. Display indicates results of the last
measurement.
Wait for 8 seconds until the display becomes transparent,
and press the Action button again.
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 they do not degrade the product's
measurement capabilities.
Range measurement cannot be obtained.
• Make sure that neither your hand nor finger is blocking
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.