SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
5-7
Multifunction Display (MFD) System
MFD Reversion
The mode selector on the MFD controller lets the operator select MFD
system backup of the EHSI and EFIS symbol generators.
The mode selector switch is a five--position rotary switch that selects
the following MFD modes of operation:
D MFD -- This position selects normal MFD operation.
D HSI -- In this position, the selected HSI (left or right) is displayed on
the MFD. The EHSI display is controlled by the respective EFIS
display controller. This information is sent to the EFIS symbol
generator, and instead of displaying a composite display on the
EADI, it displays the normal ADI display.
D SG -- In this position, the MFD goes blank and the MFD symbol
generator drives the selected (left or right) EADI and EHSI displays.
The EADI and EHSI displays are still controlled by the respective
EFIS display controller .
Dimming
T urning the DIM control knob adjusts the overall brightness of the
display on the MFD. After the reference level is set, a photo sensor
maintains the brightness level over the various lighting conditions.
MFD OPERATING MODES
The MFD has five operating modes:
D MAP
D PLAN
D TCAS (optional)
D Weather radar
D Checklist display.
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