GTR 255/255A/255B Pilot’s Guide
Page 31
...Brightness 2. Turn the SMALL knob to access the Functions. Then, press the ENT key. Turn the SMALL knob to adjust the value. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 A small sensor on the photocell or the lighting bus. The range can be adjusted by the... Display Brightness As it arrives from the "normal" or zero position. A manual adjustment is used for controlling the brightness level of the adjustment range are: -10 (Low Display Intensity) and 100 (High Display Intensity). The GTR 225 will either control dimming based on the display is available for this function.
...Brightness 2. Turn the SMALL knob to access the Functions. Then, press the ENT key. Turn the SMALL knob to adjust the value. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 A small sensor on the photocell or the lighting bus. The range can be adjusted by the... Display Brightness As it arrives from the "normal" or zero position. A manual adjustment is used for controlling the brightness level of the adjustment range are: -10 (Low Display Intensity) and 100 (High Display Intensity). The GTR 225 will either control dimming based on the display is available for this function.