PeakTech 1031 Operation Manual page 18

50 - 1000V AC, a yellow light of the test probe signals this. By
pressing and holding the power button again, the measuring range
is changed back to the sensitivity of the voltage tester to 200 -
1000V AC.
4.3 Battery status indicator
If the battery voltage is too low to perform a reliable measurement,
a three beeping when you turn on the device signals this.
Furthermore, the "Working" indicator is red and flashes three times.
Refer to item 5. Replacing the Batteries for the correct procedure
(See pages 9-10) for how to replace the batteries.
4.4 Automatic shutdown
An automatic switch-off is integrated in the voltage tester, which
switches off the device after approx. 5 minutes of inactivity. When
turned off, a beep sounds twice and the unit vibrates twice.
4.5 Flashlight
The built-in flashlight is not only suitable for measuring operation,
but also can be used as a normal flashlight replacement.
It is possible to use the flashlight even if the meter is turned off and
not in use. It is switched on by pressing the flashlight button once
and by pressing the button again, it is switched off.
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