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1. Disconnect the unit from the circuit. Turn the unit OFF.
2. Turn the latch 1/4 turn counterclockwise.
3. Remove the back cover.
4. Replace the batteries (observe polarity) and/or fuse.
5. Replace the cover and turn the latch 1/4 turn clockwise to secure.
Before opening the case, remove the test leads from the circuit and shut off the unit.
Failure to observe this warning can result in severe injury or death.
Battery and Fuse Replacement
The fuse is an integral part of the overvoltage protection. When fuse replacement is
necessary, see 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 can result in severe injury or death.