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8 Carrying out a test
7 Operating the instrument
7.1. Switching the instrument on
>
Connect both probe tips or press any button.
-
The instrument is switched on, the LC display shows ---.
7.2. Switching measuring point illumination
on/off
>
To switch on/off: briefly press the
The measuring point illumination switches off automatically after 2 minutes.
7.3. Switching the instrument off
Automatic
If there is no voltage being applied to the probe tips and no current or
continuity is detected, the instrument switches off automatically after 10
seconds.
Manual
Switch off instrument manually: press
8 Carrying out a test
8.1. Preparing the test
Prior to every test, please ensure that the instrument is in perfect condition:
•
For example, keep an eye out for broken housing or leaking batteries.
•
Always carry out a function test before using the voltage tester, see
below.
•
Check that the instrument is functioning perfectly (for example at a
known voltage source) before and after every test.
•
If the safety of the user cannot be guaranteed, the instrument must be
switched off and secured to prevent unintentional usage.
Carrying out a function test
>
Press
HOLD
for approx. 2 s.
-
Instrument carries out a self-test. All segments of the LC display and
the alarm, along with the measuring point and display illumination, are
activated for approx. 2 s.
Recording a reading
>
A reading is displayed: press the
-
A short acoustic signal is emitted and the LC display shows the
recorded reading.
>
To delete the recorded value, press the
-
A short acoustic signal is emitted.
The recorded value will automatically be deleted after approx. 10 seconds
once voltage is no longer being applied to the probe tips. This is indicated
by a short acoustic signal.
Voltages below 6 V AC/DC cannot be recorded,
display.
22
button.
[HOLD]
>2 s
HOLD
key.
HOLD
button once again.
----
is shown on the LC
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