Earth Ground Clamp
Maintenance
13
Cleaning the Clamp
WCaution
To avoid damaging the Clamp, do not use aromatic
hydrocarbons or chlorinated solvents for cleaning. These
solutions will react with the plastics used in the Clamp.
Clean the instrument case with a damp cloth and mild detergent.
Replacing the Battery
XWWarning
To avoid false readings that could lead to possible electric
shock or personal injury, replace the batteries as soon as
the low battery indicator (M) appears.
To replace the battery:
1. Turn the rotary switch to OFF.
2. Use a Phillips screw driver to remove the bottom case screws.
3. Lift and remove the bottom case.
4. Remove the old battery.
5. Replace the battery with a new 9-V battery.
6. Install the bottom case and tighten the screws.