TESTO 440, Instruction Manual

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3 Operation
16
2
Use to switch the On or Off function on or off.
3
Press or to exit the menu.
Setting power saving

You are in the Power Management menu.
1
Use to select Power Saving.
2
Use to switch the On or Off function on or off.
3
Press or to exit the menu.
Setting brightness

You are in the Power Management menu.
1
Use to select Brightness.
2
Use to set the brightness.
3
Press or to exit the menu.
3.3.3 Setting the ambient conditions
In the Ambient Conditions menu, you can configure the following parameters:

Ambient Pressure
Pressure unit: Pa/mbar/hPa/mmH
2
O/inH
2
O/Torr/inHg/kPa/psi

Ambient temperature
Unit of temperature: °C/°F

You need to go to menu screen first and then select Settings.
1
Use to select Ambient Conditions.
2
Press or on the navigation key.