6. MAINTENANCE
6-1 Battery replacement
Caution : Remove test leads before
opening the battery cover !
1)When the LCD display showing the mark of " ",
it is necessary to replace the battery, However
in-spec. measurement may still be made for several
hours after " Low battery indicator " appears before
the instrument become inaccurate.
2)Open the screw of " Battery Cover " ( 3-11, Fig. 1 ) by
screwdriver, then move the battery.
3)Replace with 2 x 1.5 V AA ( UM-3 ) batteries and
reinstate the cover.
6-2 Cleaning
Caution : Cleaning - Only use
the dry cloth to clean
the plastic case !
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