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9) MAINTENANCE:
The maintenance consists of periodic cleaning and battery replacement.
The exterior of the instrument can be cleaned with a dry clean cloth to
remove any oil, grease or grime. Never use liquid solvents or detergents.
The repairs or servicing not covered in this manual should only be per-
formed by qualified personnel.
A. Battery Replacement
WARNING
TO AVOID ELECTRICAL SHOCK, DISCONNECT THE TEST LEADS AND
ANY INPUT SIGNALS BEFORE REPLACING THE BATTERY. REPLACE
ONLY WITH SAME TYPE OF BATTERY.
This meter is powered by a NEDA type 1604 or equivalent 9V battery.
When the meter displays the “
” symbol, the battery must be replaced
to maintain proper operation. Use the following procedure to replacing the
battery:
1. Disconnect test leads from any live source, turn the rotary switch to
OFF, and remove the test leads from the input terminals.
2. The battery cover is secured to the bottom case by a screw. Using a
Phillips-head screwdriver, remove the screw from the battery cover
and remove the battery cover.
3. Remove battery and replace with a new equivalent 9V battery.
4. Replace the battery cover and reinstall the screw.
