Eclipse AVN4400 Owner's Manual page 160

Brightness preferences
This button may only be available if all menu options are shown. To show all
menu options, tap Show ALL menu options in the Preferences menu.
Tap this button to set the brightness of the screen.
Move the sliders to set the brightness separately for day map colors and for
night map colors.
Brightness
You can also set these options:
preferences
• Turn brightness down when dark - your TomTom uses a light sensor to
detect the background light level. If this option is selected, as it gets
darker, your TomTom reduces the brightness of the screen so that it is
not distracting.
• Switch to night view when dark - your TomTom uses a light sensor to
detect the background light level. If this option is selected, when it gets
dark, your TomTom uses night colors for the Driving View.
You can set the map color scheme by tapping Change map colors.
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