Operation; Connecting A Probe; Switching The Instrument On / Off; Switching The Display Light On / Off - TESTO 720 Mode D'emploi

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5. Operation

5. Operation
This chapter describes the steps that have to be executed
frequently when using the product.

5.1 Connecting a probe

Plug-in probes
Plug-in probes must be connected before the measuring
instrument is switched on so that they are recognised by
the instrument.
Insert the connector of the probe into the probe
socket.
5.2 Switching the instrument
on / off
➣
Switching the instrument on:
Press
- Measurement view is opened: The current reading
is displayed, or ----- lights up if no reading is
available.
➣
Switching the instrument off:
Press and hold
goes out.
5.3 Switching the display
light on / off
➣
Switching the display light on/off:
✓
The instrument is switched on.
Press
.
(for approx. 2s) until the display
.