GTR 255/255A/255B Pilot’s Guide
Page 31
... or zero position. Turn the LARGE knob to set in configuration mode during installation and is set the value. A manual adjustment is used for this function. Then, press the ENT key. Turn the SMALL knob to select the SYS Function...). Turn the SMALL knob to access the Functions. A small sensor on the photocell or the lighting bus. The GTR 225 will either control dimming based on the display is available for the current lighting conditions. Press FUNC to view the ...to adjust the value. Then, press the ENT key. 190-01182-00 Rev. A Garmin GTR 225/225A/225B Pilot's Guide 3-13
... or zero position. Turn the LARGE knob to set in configuration mode during installation and is set the value. A manual adjustment is used for this function. Then, press the ENT key. Turn the SMALL knob to select the SYS Function...). Turn the SMALL knob to access the Functions. A small sensor on the photocell or the lighting bus. The GTR 225 will either control dimming based on the display is available for the current lighting conditions. Press FUNC to view the ...to adjust the value. Then, press the ENT key. 190-01182-00 Rev. A Garmin GTR 225/225A/225B Pilot's Guide 3-13