OPERATIONS MANUAL

FMS
NAV RADIO Page:
1L
2L
3L
1R
2R
3R
Access: NAV RAD key
General: Provides tuning and monitoring
functions for all navigation radios installed
on the aircraft.
1L VOR L 1R VOR R
When a frequency is entered, the FMC
adds the next suitable database identifier;
when an identifier is entered, the FMC adds
the next suitable database frequency. Also
shows the tuning status:
M Manual tuning — The crew has selected
this station. Deletion cancels this mode.
A Autotuning — The FMC has selected this
station because its location relative to
the aircraft is ideal for the FMC’s aircraft
position calculation.
R Route tuning — The FMC has selected
this station because it is a required
enroute station on the active route.
P Procedure tuning — The FMC has
selected this station because it is a
required station in the current SID,
STAR, or approach.
Valid entries
VOR or DME identifier (1 to 3 letters):
XXX
VOR or DME frequency:
XXX.X
XXX.XX
Frequency/course (000-360):
XXX.X/XXX
XXX.XX/XXX
Identifier (1 to 3 letters)/course (000-360):
XXX/XXX
2L CRS (L) 2R CRS (R)
Indicates the entered course for the tuned
VOR, or dashes when the course is deleted.
Indication is blank when the VOR is not
manually tuned. Indicates in the middle of
the page the received raw data radials of the
left and right VORs.
Valid entries
Course (0-360):
X
XX
XXX
Frequency/course (000-360):
XXX.X/XXX
XXX.XX/XXX
3L ADF L 3R ADF R
Indicates the frequency of the tuned ADF,
followed by ANT when in antenna mode,
or BFO when in BFO mode. ANT and BFO
modes can be removed by line deletion.
Valid entries
NDB frequency:
XXX
XXXX
XXX.X
XXXX.X
Tuning mode:
A
B
Frequency and tuning mode:
XXXA
XXXX.XB
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