Maintenance Warning - Brymen TopTronic TBM315 User Manual

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Note: Manual ranging feature is not available in Hz, , RPM, ms, DWELL & Duty functions.
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.
Beep-Jack™ Input Warning
The meter beeps as well as displays "InEr" to warn the user against possible damage to the meter
due to improper connections to the A, mA, or A input jacks when other function (like voltage
function) is selected.
Auto-Power-Off (APO)
The Auto-Power-Off (APO) mode turns the meter off automatically to extend battery life after
approximately 34 minutes of no rotary switch or push button operations. To wake up the meter
from APO, press the SELECT 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
(APO) 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
Periodic calibration at intervals of one year is recommended to maintain meter accuracy. Accuracy
is specified for a period of one year after calibration. If self-diagnostic message "C_Er" is being
displayed while powering on, some meter ranges might be largely out of specifications. To avoid
mis-leading measurements, stop using the meter and send it for re-calibration. Refer to the
LIMITED WARRANTY section for obtaining warranty or repairing service.
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents.
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