The rear panel 1 2 3 4 1. Connect the terminals and the current input fuse. 5 6 The multimeter uses two types of fuses to provide input protection for small and large current ranges. The internal fuse provides the maximum protection limit of 10.5A for the input of large current range. The fuse will be blown when the input current exceeds 10.5A. The rear panel current input fuse provides the maximum protection limit of 3.1A for small current range input, and the fuse will be blown when the input current exceeds 3.1A. The multimeter is equipped with a high current input fuse when leaving the factory. If you need to replace the small current fuse, please do it in the following way:
1) Turn off the power of the multimeter and unplug the power cord. 2) Use the straight screwdriver to push in slightly and rotate along the direction shown in the picture to pull out the fuse holder. 3) Replace specified fuses. 4) Put the fuse holder into the card slot. Note: the large current input fuse is located inside the instrument and is not allowed to 10 11 7 8 9