HTC LD-70, Руководство пользователя

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8. Notes
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Using the reflection board while measuring in strong sunlight or the target
locations that have a weaker reflective capability
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Using the meter in harsh environments may affect the measurement results,
such as environments with strong sunlight, high temperatures, or environments
with temperature fluctuations. Surfaces that are not reflective enough and low
battery power can also affect measurement results.
●
The meter should not be stored in environments with high temperature and
humidity. If not being used for a long period, remove the batteries and place the
meter in the supplied portable bag and store in a cool dry place.
●
Please keep the device clean. Use a soft damp cloth to wipe off dust. Do not
use any corrosive liquids during cleaning or maintenance of this meter. Laser
output window and its focus lens can be maintained according to maintenance
procedures.