MAINTENANCE
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.
Repairs or servicing not covered in this manual should only be performed
by qualified personnel.
REPLACING THE BATTERY
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 9-volt battery.
When the meter displays the "
" 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 9-volt battery.
4. Replace the battery cover and reinstall the screw.
16
2609C.p65
?2009/12/15, 上午 09:15
18