The display brightness of my Z-E1010 CORE SERIES seems way too dark at daylight?

AW: The Z-E1010 CORE SERIES has two selectable control options for the automatic TFT display brightness in the setup menu. Go to: Setup > TFT Settings > TFT Control > „Car“ or „Navi“*.
Initially and ex-works, this selection is set to „Car“ which means that the device dims the screen when low or high beam is activated. For the “Car” based TFT screen brightness control, the „Illu signal“, present in the CAN bus system is used. While real daytime running lights will not cause the display to dim, persons that drive around with dimmed headlights, the TFT control set to “Car” mode will cause dimmed display screen. Users that drive with dimmed headlights during the day should adjust the TFT Control setting to „Navi“ so that the day/night time zone data is used to control TFT screen brightness. Note: The „Navi“ setting will cause the device to start up in night mode until an actual GPS time signal for the device master clock is retrieved, which can take up to 30 seconds.

* A navigation microSD card (Z-MAP-CORE) is required for this function to work.