VOR Localizer (LOC) Switch
Push –
- Commands AFDS roll to capture and track selected VOR or
LOC course.
- Annunciates VOR/LOC armed or engaged as roll mode and
illuminates VOR LOC switch light.
VOR LOC Mode
Pushing the VOR LOC switch selects VOR mode if a VOR
frequency is tuned or selects LOC mode if a localizer frequency is
tuned.
The VOR mode provides roll commands to track the selected
VOR course. The LOC mode provides roll commands to track the
selected localizer course along the inbound front course bearing.
The selected course can be intercepted while engaged in
The capture point is variable and depends on intercept angle and
closure rate. Localizer capture occurs not later than 1/2 dot deviation.
Course capture is indicated when VOR/LOC annunciation changes
from armed to engaged.
- LNAV
- HDG SEL
- CWS R (Roll) if an autopilot is engaged in CMD.