Failure Of both localizer and glideslope receivers :-
The PFD and ND ( rose ILS mode ) display red LOC and G/S flags .
LOC and G/S scales disappear from the PFD .
If LOC or G/S modes are engaged and at least one AP/FD is engaged
- The AP disengeges
- The FD reverts to its HDG-V/S or TRK-FPA modes .
Failure of localizer or glideslope transmitter ( when captured )
- The LOC and G/S scales and FD bar flash
Below 200 feet RA , AUTOLAND warning