Backlight Settings - Garmin GTN 750 Pilot's Manual

16.9
Foreword
The backlighting of the display and bezel keys can be adjusted automatically
Getting
or manually. The default setting (automatic backlighting adjustment) uses
Started
photocell technology to automatically adjust for ambient lighting conditions.
Audio &
Photocell calibration curves are pre-configured to optimize display appearance
Xpdr Ctrl
through a broad range of cockpit lighting conditions. A manual offset creates
Com/Nav
a deviation form the normal curve. Manual adjustments may be made from
+100% to -10%. The negative adjustment is limited to prevent the backlight
FPL
from being accidently decreasing the backlight to the point where the display of
information could not be seen.
Direct-To
Manual backlighting adjustment can be accomplished using the existing
Proc instrument panel dimmer bus or the following procedures.
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
16-28
Index

Backlight Settings

1. While viewing the System page, touch the Backlight key.
2. Touch the Arrow keys to adjust the Backlight level.
Figure 16-33 Backlight Level Selection
3. After making the desired selections, touch the Back key to
return to the System page.
Garmin GTN 725/750 Pilot's Guide
Touch The Arrow Keys
For Manual Offset
190-01007-03 Rev. B