GTR 255/255A/255B Pilot’s Guide
Page 31
A manual adjustment is available for controlling the brightness level of the adjustment range are: -10... Selected Value to select the SYS Function. The limits of the display as an offset from the factory, the GTR 225 automatically adjusts its display brightness for this function. Then, press the ENT key. 190-01182-00 Rev. A ...knob to adjust the value. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 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 for the current ...
A manual adjustment is available for controlling the brightness level of the adjustment range are: -10... Selected Value to select the SYS Function. The limits of the display as an offset from the factory, the GTR 225 automatically adjusts its display brightness for this function. Then, press the ENT key. 190-01182-00 Rev. A ...knob to adjust the value. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 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 for the current ...