10 Settings
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10.3.7 Resetting the testo 400 to factory settings
Click on .
Main menu opens.
Click on Settings.
The Settings menu opens.
Click on Restore factory settings.
Information window opens.
After clicking on the Restore factory settings field, you will be asked
whether you are sure that you want to carry out a reset. All relevant
measurement data should be stored on an external instrument. The
testo 400 must then be reconfigured and all collected measurement
data deleted.
10.4 General information
Under General Information, you will find information about the testo 400, and the
tutorial can once again be called up and implemented. There you will also find
the Quick Start Guide, the detailed instructions and the legal information.
10.4.1 General instrument information
Click on .
Main menu opens.
Click on Help and Information.
The Help and Information menu opens.
Click on Instrument information.
The current serial and display numbers are displayed. The current app
and firmware version is also displayed.