Garmin GNS 480, Installation Manaul

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Post-Installation Configuration & Checkout
3-24 560-0982-01 Rev L GNS 480 (CNX80) Installation Manual
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.