737 Flight Crew Operations Manual
Flight Instruments, Displays -
PFD/ND – Displays
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Mode/Frequency Disagree Annunciation
1 EFIS MODE/NAV FREQ DISAGREE (amber)
The ILS or VOR source annunciation corresponds to the position selected on the
EFIS control panel and the tuned VOR/ILS frequency.
The annunciation is displayed:
• if APP is selected with a VOR frequency tuned
• if VOR is selected with an ILS frequency tuned.
The DME display and ILS/VOR frequency at the upper right corner display
dashes.
The localizer deviation bar, VOR course deviation bar and glideslope pointer are
not displayed.
The annunciation is displayed in the expanded APP, center APP, expanded VOR
and center VOR modes.
MAG
TRK
ILS 1
090
ADF 1
KXYZ
----
055
CRS
152
080
o
/12
160
GS TAS
40
EFIS MODE/NAV FREQ DISAGREE
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September 15, 2016
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