TESTO 0554 1111 - Page 17

4 Commissioning
18
4
Commissioning
Switching on
1
- Press button on the handle.

The handle is switched on.
Switching off
1
-
Press and hold the button on the handle for three seconds.

The handle is switched off.
LED status display
LED status display Meaning
Flashing red Low battery status
Flashing yellow Measurement probe is switched on and is
searching for a Bluetooth connection, but is
not connected.
Flashing green Measurement probe is switched on and
Bluetooth is connected.
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