SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
4-3
Electronic Flight Instrument System (EFIS)
D GSPD/TTG (Groundspeed/Time--To--Go) Button -- GSPD/TTG
is displayed in the lower right corner of the EHSI. Pushing the
GSPD/TTG button toggles the display between GSPD and TTG.
D ET (Elapsed Time) Button -- Pushing the ET button displays
elapsed time in place of the GS/TTG display. Pushing the ET button
repeatedly sequences the elapsed time as follows:
RESET--START--STOP--RESET.
D V/L (VOR/L ocalizer) Button -- Pushing the V/L button displays
VOR/LOC information on the EHSI. This information is also sent to
the flight guidance computer. The power--up display is the on--side
NAV source. The V/L button is also used to activate the preselected
course feature.
D FMS (Flight Management System) Button -- Pushing t he FMS
button displays FMS information on the EHSI. The power--up
display is the on--side FMS.
For aircraft serial No. 5087 and later, LASERTRAK
r
information is
displayed by pushing the FMS button and an external
LASERTRAK
r
select switch.
NOTES: 1. The AFCS cannot be coupled to the
LASERTRAK
r
. When this data is displayed, HDG
mode should be selected for AFCS guidance.
2. If NAV remains selected on the guidance panel, the
AFCS follow FMS course guidance even though
the EHSI is displaying LASERTRAK
r
information.
3. Deselecting the LASERTRAK
r
by pushing the
external select switch returns the EHSI to the
selected FMS.
4. The IRS selected on the LASERTRAKr controller
determines which IRS supplies navigation data to
the EHSI.
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