Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-23
5.5.1.6 Lighting Configuration Page
From the GTN Setup page shown in Figure 5-4 above, select
the GTN Lighting Configuration page, shown in Figure 5-10
page allows you to set display parameters that affect the
display backlight and key lighting brightness. Fields listed in
Table 5-10 are adjusted separately for both the Display and
Key lighting features. The display source can only be
configured to track the photocell or lighting bus 1. The display
source cannot be configured to track lighting bus 2.
Figure 5-10. Lighting
Configuration Page
Table 5-10. Display and Key Lighting Adjustable Fields
Field Description
Photocell
Backlight or key lighting level is determined by the ambient
light level as measured by the photocell on the GTN.
Lighting Bus 1 Backlight or key levels track the Lighting Bus 1 levels.
Lighting Bus 2 Key lighting levels track the Lighting Bus 2 levels.