AW: The device features three different options to control the screen brightness. In the setup menu under Video / Picture on the second page, you will find the following settings: Brightness > Navi / Car
Choose „Navi“, to allow the GPS system to set brightness automatically via day / night signal of the GPS system.
Select „Car“ to regulate the brightness by CAN bus based vehicle data. Note that if the CAR function is selected, TFT screen and button illumination brightness are synchronized with the instrument cluster brightness.
Note that GPS controlled day / night switching requires approximately 20 seconds of data retrieval and adjustment after device is switched on, because the function requires internal processing of satellite time signal.
In the navigation: day / night switching of the user interface (HMI): Ex works the day / night (GPS) signal brightness adjustment is active. However, this can be set manually or deactivated is desired.
If the GPS signal controlled switching is not desired, it can be deactivated under the map settings of the navigation software (NAV> More> Settings> Map settings> Color> Day / Night / Auto).