GTR 255/255A/255B Pilot’s Guide
Page 31
...on the photocell or the lighting bus. Turn the LARGE knob to access the Functions. A manual adjustment is available for the current lighting conditions. This is set the value. Press FUNC to...view the Display Brightness function. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 The limits of the display as an offset from the factory, the GTR 225 automatically adjusts its display brightness for controlling...than normal. The GTR 225 will either control dimming based on the display is not selectable by using the SMALL knob to set in configuration mode during installation and is used ...
...on the photocell or the lighting bus. Turn the LARGE knob to access the Functions. A manual adjustment is available for the current lighting conditions. This is set the value. Press FUNC to...view the Display Brightness function. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 The limits of the display as an offset from the factory, the GTR 225 automatically adjusts its display brightness for controlling...than normal. The GTR 225 will either control dimming based on the display is not selectable by using the SMALL knob to set in configuration mode during installation and is used ...