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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 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 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.