Pilot’s Operating Handbook Section 901
EXTRA 500 Avidyne IFDs and CDU
Figure 901-4
Half Format
The airspeed tape to the left of the ADI, begins indicating at 20
Knots Indicated Airspeed (KIAS) and is color coded in
accordance with the model POH airspeeds for V
SO
, V
FE
, V
S
,
V
NO
, and V
NE
. An altitude tape is provided to the right of the
ADI and also displays a symbol for the Altitude preselect
(Altitude bug). The Vertical Speed Indicator (VSI) is displayed
to the right of the altitude tape. The displayed scale of the VSI
is ± 2000 FPM and for rates above 2000 FPM, the needle will
peg just outside the scale and a digital readout of actual VSI up
to 4000 FPM is then displayed. An additional data block is
provided for display of outside air temperature (OAT)
(optional), true airspeed (TAS), and ground speed (GS).
Controls for selecting bug and barometric correction values are
along the right side of the PFD. A wind indicator is also
provided beneath the altitude tape. The CDU can be used to set
altitude and heading bugs and the S-TEC autopilot
VS knob can
be used to set the VS bug.
Attitude is depicted on the main ADI using a combination of an
aircraft reference symbol against a background of labeled pitch
ladders for pitch and a bank angle pointer in the form of an
arced scale along the top of the main ADI for bank. A skid/slip
26. January 2011
901-11
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