Replacing The Batteries - PeakTech 1031 Operation Manual

4.6 Switching off the signal transmitter / vibration
The sound signal and the vibration of the voltage tester can be
switched off as required. To turn these features off, press the power
button for about 3 seconds meanwhile turning on the device. If the
red and yellow LEDs lights up at the same time, the device is turned
on and the features are disabled. At the next normal switch-on, the
sound signal and the vibration are active again.

5. Replacing the batteries

To replace the batteries, the top cap must be removed. For this, the
locking tab must be slightly pressed down and at the same time, the
cap has to be removed.
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