I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 135
FOR SIMULATION USE ONLY ā NOT A TRAINING AID
The HUD text mode repeats the contents of the UFCP four line LED display on the
HUD. In HUD text mode, the flight path marker is uncaged.
The FPM UNCAGE mode enables normal HUD operation. UFCP windowed text is not
displayed on the HUD when in FPM CAGE mode.
The CAGE mode is used to cage the flight path marker to the climb dive marker and
the local vertical axis to eliminate drift effects on the flight path marker lateral
positioning. It may be used when strong winds cause the flight path marker to be
displayed outside the HUD total field of view (TFOV).
The HUD TEXT and FPM CAGE switch on the rear UFCP has no effect on the HUD.
The MFD/UFCP REPEAT switch is used to cause the display of one cockpit to
duplicate that of the other cockpit.
The MFD/UFCP REPEAT switch has two positions: NORM and REPEAT.
When in repeat mode, the associated cockpit UFCP display and MFDs duplicate the
screens of the other cockpit's UFCP and MFDs. When operating in repeat mode
there is an indication on the EICAS to indicate the system is operating in repeat
forward or repeat aft mode.
Selecting repeat in one cockpit has no impact on the other cockpit. When repeat is
initiated from the front cockpit, each UFCP provides key presses to IAC2.
When repeat is initiated from the rear cockpit, each UFCP provides key presses to
IAC1. Once in repeat mode, selecting REPEAT in the other cockpit has no effect and
RPT ERR is displayed on the EICAS. If repeat mode is selected while the UFCP is in
data entry mode, modifications are lost upon initiating repeat mode.
Both sets of cockpit MFD controls continue to function in a cooperative manner. The
NORM selection of the MFD/UFCP REPEAT switch restores the normal operation of
MFDs and UFCP.
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