PCWork PCW01A Mode D'emploi page 14

AC/DC Voltage Measurement
1. Turn the rotary switch to the DC voltage or AC voltage
measurement function. Then select the appropriate range.
2. Insert the red probe in the "
probe in the "COM" socket.
3. When dealing with an unknown voltage range, always start
with the higher measurement range, then switch to a lower
range, if applicable.
4. Connect the probes' tips (red probe is the positive pole, black
probe is the negative pole) in parallel to the measuring circuit,
measure the voltage.
5. The measurement result is displayed on the screen.
" socket and insert the black
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