8
After power on the meter, press "
" button once, the
backlight will be on, press this button again to turn off it. The
backlight will be automatically powered off in 30 seconds after
turning on the backlight.
8. Notes
(1)
This meter has already been calibrated before delivery. Do
not revise the calibration parameters without professional
personnel and device. The recommended calibration period is
one year.
(2)
Repairs or servicing not covered in this manual should only
be performed by qualified personnel.
(3)
Wipe the unit with a dry soft cloth. Do not use abrasives or
solvents on this instrument.
(4)
Remove the battery when the meter is to be stored for long
periods of time to avoid battery leakage.
(5)
Replace new batteries when the low battery icon "
"
appears.
Summary of Contents for ET-931
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