TM 1-1510-253-CL
TCN
Indicates that TACAN deviation is invalid, course
pointer, and lateral deviation bar and to/from pointer
are removed.
1. NAV Source -- Select Another NAV
Source
VOR 1 or VOR 2
Indicates that selected VOR deviation is invalid,
course pointer, and lateral deviation bar and to/from
pointer are removed.
1. NAV Source -- Select Another NAV
Source
GS
Indicates that glideslope deviation is invalid and
glideslope pointer is removed. If glideslope data is
valid on other PFD, approach should be flown by
referencing operable side.
1. NAV Source -- Select Another NAV
Source
LOC 1 or LOC 2
Indicates that selected localizer deviation is invalid,
course pointer and lateral deviation bar are removed.
1. NAV Source -- Select Another NAV
Source
E-49