Maintenance
Electric shock hazard:
Before opening the case, remove the test leads from the circuit and shut off the unit.
Failure to observe these warnings could result in severe injury or death.
Electric shock hazard:
The fuses are an integral part of the overvoltage protection. When fuse replacement is necessary,
refer to "Specifications" for the correct type, size, and capacity. Using any other type of fuse will void
the overvoltage protection rating of the unit.
Failure to observe this warning could result in severe injury or death.
Replacing the Battery and Fuses
1. Disconnect the unit from the circuit. Turn
the unit OFF.
2. Remove the rubber boot.
3. Remove the screw from the back cover.
4. Remove the back cover.
5. Replace and batteries (observe polarity)
and/or fuse(s).
6. Replace the cover, screw, and rubber boot.
Cleaning
Periodically wipe the case with a damp cloth
and mild detergent; do not use abrasives or
solvents.
DM-200A • DM-210A • DM-510A
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