OPERATOR’S
MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
Page E-4
November 19, 2009
SYSTEM ALERT
MESSAGE
DESCRIPTION ACTION
APPLICABLE
CONFIGURA-TION
CHECK TRUE/MAG
REF
Phase of flight is Approach or
Terminal and the angle
reference is TRUE.
If required, change Angle
reference to MAG via FMS
SETUP page (or alternatively
via external switch).
All configurations
COM CONTROL
LOST
COM1 CONTROL
LOST
COM2 CONTROL
LOST
COM3 CONTROL
LOST
COM4 CONTROL
LOST
The FMS cannot control the
COM radio or the VUHF radio
.
Control COM/VUHF from
another source.
Advise maintenance.
•
COM radio interface
•
VUHF radio interface
•
COM or VUHF radio
configured as COM1 or
COM3
COURSE
CHANGE>125
AHEAD
The FMS detects that the course
change of a fly-by leg transition
(from the active leg to the next
leg) is greater than 125 degrees
and within 2 minutes from the
turn anticipation point (triggered
for non-published procedures
only).
As deemed necessary,
modify flight plan if such a
course change is not desired.
Message configured to
alert.
DATABASE OUT
OF DATE
Navigation Database selected is
not the current cycle.
Select correct database or
advise maintenance crew to
load current database cycle.
All configurations
DATUM
MISMATCH
In a dual/triple FMS installation
with the FMSs synchronized, the
FMS detects that the datum
selection received from the off-
side FMS is not configured in the
FMS’s preferred datum list.
Displayed as long as the
mismatch persists.
Pilot to ensure that any datum
mismatches are resolved
(DATUM selection line on
SETUP 1/1 page.
Multi-FMS installations
DCU INPUT LOST
If IS&S EFIS (configuration
option IS_S) is configured and
the FMS has detected a failure
of all configured onside and
offside DCUs.
Ensure that EFIS
is powered.
Verify if the
EFIS(s)
operate(s)
normally.
Advise maintenance.
IS&S EFIS configuration
only.
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