5. Take out the old batteries carefully and replace with 3 pcs 1.5 V AAA new
batteries.
6. Fix the battery cover.
Fuse replacement
When fuse is blown, replace with the same type of fuse.
1. Turn off the power of the meter and take out the holster.
2. Use a screwdriver to remove the screw of back cover.
3. Take off the back cover.
4. Remove the blown fuse and replace with the same type of fuse
5. Screw the back cover
6. Put the holster back.