2N Indoor Talk User Manual page 58

Note
The brightness level considerably affects the functionality, consumption
and general appearance of the device. A high backlight value may
dazzle the person standing in front of the device if the ambient light is
low and also increases the overall device consumption.
3.2.4 System
Here is what you can find inthis subsection:
3.2.4.1 Network
3.2.4.2 Date and Time
3.2.4.3 Certificates
3.2.4.4 Auto Provisioning
3.2.4.5 Syslog
3.2.4.6 Maintenance
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