PeakTech 1635 Bedienungsanleitung Seite 19

3.6. Zero button
For DCA Zero & Offset adjustment.
3.7. Voltage detector
Intended to check for the presence of AC voltage, signalling the
user with flashing red LED.
3.8. Flash light
1. Press the red button on the upper side of the meter, a white
flash will come out from the lighter near the clamp. It can be
used for illumination.
2. Release the button, the light will off.
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