Figure 3-24 - Display Testi - Garmin GNS 480 Installation Manual

Post-Installation Configuration & Checkout
3.3.1.1.5 Display Test
The Display Test function displays various test patterns and can be used to verify the GNS 480 display
operation. While on the Ground Maintenance main TEST menu page, press the NEXT PAGE line select
key, followed by the DISPLAY line select key to go to the Display Test page. Turn the outer knob while
on any Test Pattern page to display the next Test Pattern Page in the sequence. The order of test pages is
Fonts 1, Fonts 2, Fonts 3, Bitmaps, Red, Green, Blue, White, Black, White on Black, and Black on
White. The first available display test screen is shown in Figure 3-24.
Figure 3-24 - Display Test Initial Screen
Press the TEST or BACK smart key to return to the Ground Maintenance Test menu.
3-24 560-0982-01 Rev A GNS 480 (CNX80) Installation Manual