TESTO 925 - Getting to Know the Product; Connecting Probes; Switching the Instrument on and off; Switching the Display Illumination on and off

6 First steps
7
Do not charge batteries.
Do not place batteries near fire.
Batteries are recyclable.
6.2
Getting to know the product
6.2.1
Connecting probes
Plug-in probes can be connected via the probe socket(s) on the head of the
instrument.
1
Plug the probe's connector into the measuring instrument’s probe
socket.
6.2.2
Switching the instrument on and off
Switching on
1
Press the On/Off key (0.5 sec).

Measurement view is opened:
The current reading is displayed or ----- lights up if no reading is
available.
Switching off
1
Press and hold down (2 sec) the On/Off key.

The display turns off.
6.2.3
Switching the display illumination on and
off

The measuring instrument is switched on.
1
Press and hold down (2 sec) the MENU/ENTER key.

The display illumination is switched on or off.
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