| Display Selector |
| VHF Navigation Control |
Aft Electronic Panel 700/800/900
TEST Switch
With a VOR frequency tuned and a course of 000 selected:
With an ILS frequency tuned and a course within 90 degrees of
airplane heading:
With a VOR frequency tuned and a course of 000 selected:
- Shows VOR fail flag.
- Deviation bar biases out of view and then returns to
centered position. - Bearing pointer slews to 180 degrees.
With an ILS frequency tuned and a course within 90 degrees of
airplane heading:
- Pointers disappear and LOC and G/S flags appear
momentarily. - Pointers appear and display one dot up and one dot left.
- Pointers then display one dot low and one dot right.
- Pointers then return to normal display.
- DME fail flag.
- Dashes.
- Normal DME distance.
- DME fail flag.
- Dashes.
- Normal DME distance.
- DME displays:
- DME displays:
