Hope Electronics Technology Manual Edition V1.0 38
If the connection is wrong
3. Press and hold the [0 ADJ] key to perform zero adjustment
If it is difficult to press the key as the Zero Adjustment Board is used, press
the [0 ADJ] key before shorting the measurement lead. Zero adjustment is
automatically performed after the measured value is stabilized.
4. After zero adjustment
Zero adjustment has succeeded, The buzzer sounds and the
measurement screen appear.
Indicator ON.