Honeywell SPZ-8000 Maintenance Manual page 391

2. c.
(2) (a) 2 V Vector - The V~O
"$ in oard side of the
MAINTENANCE
MANUAL
GULFSTREAMIV
vector is a fixed red
bar located on the
CAS scale, originating from the CAS
scale
endpoint extending out to VMO. The V~o vector
symbology is identical
to the MM vector shown in Figure
203. When the value in the poln%er exceeds VN~MHO, the
digital CAS data, in the current value pointer, IS turned
red.
Speed Target Digital Readout - The speed target digital data
is displayed in green at the top of the CAS scale. The
speed target data is set by the pilot using the guidance
panel or is available automatically with the FMS.
Speed Target Bug - The green triangular speed target bug
travels along the inboard side of the airspeed tape. The
bug position on the scale corresponds to the digital speed
target value displayed at the top of the CAS scale.
Vspeed Bugs - In addition to the speed target bug described
above, the pilot has the ability to set Vspeed bugs
corresponding to reference speeds for various phases of
flight. This data is available from the FMS PZ-800
Performance Computer automatically or is manually set
through the display controller as shown in Figure 205. The
Vspeeds travel along the airspeed tape in the same area as
the speed target bug previously described. The Vspeed bugs
are displayed in green.
The default in the display controller is AUTO VSPD selected.
In the event that a performance computed configuration
mismatch is detected, prior to takeoff (aircraft on ground),
the performance computed Vspeeds are displayed on the DC
unboxed with an asterisk. Additionally, an amber VSPD
annunciation is displayed in the top portion of the PFD
airspeed tape as shown in Figure 206. The VSPD annunciation
is also active with a DC failure on the ground.
The source for Vspeed information is the on-side display
controller.
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Page 217
Aug 15/91
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