6 First steps
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6.5.2 Carrying out configuration on the device
Critical settings can be protected by PIN via the testo Smart App.
Requirement: The instrument is switched off.
Hold [Hold] down and press [ ].
Automatically switch the instrument off
Auto-off and on or off light up in the display.
Switch Auto-off on or off: [ ] or [ ] and confirm with [Hold].
°C or °F lights up in the display.
Set the temperature unit (°C/°F): [ ] or [ ] and confirm with [Hold].
Bluetooth and on or off light up in the display
Switch Bluetooth on or off: [ ] or [ ] and confirm with [Hold].
6.5.3 Quitting configuration mode early and
saving
You can quit the configuration mode early.
The configuration mode cannot be stopped in the adjustment /
calibration process.
Quit configuration mode early: Press and hold [ ] for approx. 1 sec.
Configuration mode is stopped.
The values which have so far been set and confirmed with [Hold] are
applied.
The instrument switches to the measuring mode.