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20
‧Luminous sensitivity characteristics:
Maintenance and Service
Service
Notice
When the meter seemingly fails during operation, following
steps should be followed to check the fault problem:
1: Check batteries. If “
” appears on the LCD display,
batteries should be replaced.
2: Repair on the meter should be performed by service
centers or other qualified service professionals.
Cleaning
First wipe the meter with a damp soft cloth with clean water
or neutral detergent and then with a dry cloth.
Notice
1: Please mak
e sure the light meter is turned off before
cleaning.
2: Do not use benz
ene, alcohol, acetone, ethyl ether,
ketones, thinners and gasoline, etc. in cleaning, because
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