Maintenance - Brymen BM885 User Manual

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other functions, especially voltage function, is selected.
Set Beeper Off
Press the RANGE button while turning the meter on to temporarily disable the Beeper
feature. Turn the rotary switch OFF and then back on to resume.
Auto-Power-off (APO)
The Auto-Power-off (APO) mode turns the meter off automatically to extend battery life
after approximately 20 minutes of no rotary switch or push button operations. To wake
up the meter from APO, press the SELECT or button momentarily or turn the rotary
switch OFF and then back on. Always turn the rotary switch to the OFF position when
the meter is not in use.
Disabling Auto-Power-off
Press the SELECT button while turning the meter on to temporarily disable the Auto-
Power-Off feature. Turn the rotary switch OFF and then back on to resume.

5) MAINTENANCE

WARNING
To avoid electrical shock, disconnect the meter from any circuit, remove the test leads
from the input jacks and turn OFF the meter before opening the case. Do not operate
with open case. Install only the same type of fuse or equivalent
Calibration
Accuracy is specified for a period of one year after calibration. Periodic calibration at
intervals of one year is recommended to maintain meter accuracy
Cleaning and Storage
Periodically wipe the meter and the test probe assembly with a damp cloth and mild
detergent. Do not use abrasives or solvents. Allow to dry completely before operating.
If the meter is not to be used for periods of longer than 60 days, remove the battery
and store it separately
Trouble Shooting
If the instrument fails to operate, check battery, fuses, leads, etc., and replace as
necessary. Double check operating procedure as described in this user's manual.
Refer to the LIMITED WARRANTY section for obtaining warranty or repairing service.