How to use the multimeter
(1) Before using the multimeter, it should be done: 1. The multimeter is placed horizontally. 2. Check that the hands stop at the zero position on the left end of the dial. If there is any deviation, use a small screwdriver to gently turn the mechanical zero adjustment knob on the watch head to make the watch pointer point to zero. 3. Insert the test leads into the test lead jacks as required above. 4. Turn the selector switch to the corresponding item and range. is ready to use.
(2) After using the multimeter, it should be done: 1. Pull out the test leads. 2. Rotate the selector switch to the "OFF" position, if there is no such position, it should be turned to the maximum range of AC voltage, such as "1000V again". 3. If it is not used for a long time, the battery in the watch should be taken out to prevent leakage of the battery electrolyte and corrosion of the internal circuit.
