GTR 255/255A/255B Pilot’s Guide
Page 31
... mode during installation and is available for the current lighting conditions. Current Display Brightness Press ENT to Accept Press CLR to Return Turn the SMALL Knob to the Selected Value to access the Functions. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 3.4.2 Display Brightness As it arrives from the "normal" or zero position. A manual adjustment...
... mode during installation and is available for the current lighting conditions. Current Display Brightness Press ENT to Accept Press CLR to Return Turn the SMALL Knob to the Selected Value to access the Functions. A Garmin GTR 225/225A/225B Pilot's Guide 3-13 3.4.2 Display Brightness As it arrives from the "normal" or zero position. A manual adjustment...