Honeywell SPZ-8000 Pilot's Manual page 69

The reversion switch on the MFD controller can transfer the MFD
symbol generator to one side or the other. When this is done, MG
(white) in a white box is displayed on the EADI on the side that selected
the reversion, as shown in Figure 4--18.
NOTES: 1. The MFD symbol generator or appropriate jumper
2. Flight guidance computer modes are dropped if the
3. The SG REV switch does not reset when power is
A28--1146--055
REV 2
SPZ--8000 Digital Integrated Flight Control System
MFD Symbol Generator Reversion
Figure 4--18
plugs must be installed for this reversionary function to
operate.
flight guidance computer is coupled to the side that
selects a reversion. After the reversion selection is
made, the flight guidance computer modes can be
re--engaged.
removed from the aircraft. If the system was left in SG
REV when power was removed, the system remains
in SG REV at the next power--up.
AD--58068@
Electronic Flight Instrument System (EFIS)
4-25