Honeywell SPZ-8000 - AOA Reference Bug; RAD ALT Reference Select; Thrust Reference System (TRS) Mode Menu

6. C.
(8) (d) AOA Reference Bug - The
%VS line key causes the
%VS parameter. The AOA
(9)
MAINTENANCE
MANUAL
GULFSTREAM IV
first selection of either the AOA or
inverse video to surround the AOA and
and %VS are set together using the DC
parameter set knob.
The range of set values is 0.2 to-0.59 AOA
and 1.5 to 1.3%VS.
For values greater than 1.5% VS, the %VS
window is blanked. The second selection of either line select
key boxes both the AOA and%VS. Only the AOA value is
displayed (the%VS setting is for reference only) on the PFD.
The power-up default for these parameters is 0.59 AOA and 1.3
%VS. The selection for display affects the on-side PFD only.
(e) RAD ALT Reference Select - The first selection of the line key
causes inverse video to surround the last set value.
The value
can then be set in the range of O to 2500 feet. The selection,
for display, of this parameter effects only the on-side PFD
format.
Thrust Reference System (TRS) Mode Menu
The TRS mode is comprised of the following selections and settable
reference data (Figure 6-17 and 6-18):
. Selection of Performance System Computed EPR Limits
Takeoff (TO) or Go-Around (GA) EPR
Reduced Takeoff (FLEX) EPR
Climb (CLB) EPR
Cruise (CRZ) EPR
Maximum Continuous (MCT) EPR
● Performance System AUTO EPR Selection Mode
. MAN EPR Limit Set Mode
. DUAL/SPLITMAN EPR Limit Set Capability
(a) TRS Function Key Selection - Selection of the TRS mode causes
the function key to be annunciated along with the TRS menu to
be displayed on the DC CRT (Figure 6-17). The TRS mode menu is
used to set and select for display important reference data on
the engine display.
A TRS function key selection has no effect
on any of the display formats. TRS data selections are made
using the menu driven line select keys and DC parameter set
knob.
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Page 188
Aug 15/91
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