Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
190-00820-08 Rev. A
64
FLIGHT INSTRUMENTS
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL FEA
TURES
APPENDICES
INDEX
VERTICAL SPEED INDICATOR (VSI)
The
Vertical Speed Indicator (VSI) displays the aircraft vertical speed with numeric labels and tick marks at
1000 and 2000 fpm in each direction on the non-moving tape. Minor tick marks are at intervals of 500 fpm.
The current vertical speed is displayed in the pointer, which also points to that speed on the non-moving tape.
Digits appear in the pointer when the climb or descent rate is greater than 100 fpm. If the rate of ascent/descent
exceeds 2000 fpm, the pointer appears at the corresponding edge of the tape and the rate appears inside the
pointer.
A magenta chevron bug is displayed as the Required Vertical Speed Indication (RVSI; Figure 2-10) for reaching
a VNV Target Altitude once the “TOD [Top of Descent] within 1 minute” alert has been generated. See the
Flight Management and AFCS sections for details on VNV features, and refer to Section 2.2, Supplemental
Flight Data, for more information about VNV indications on the PFD.
VERTICAL DEVIATION
The Vertical Deviation Indicator (VDI; Figure 2-10) uses a magenta chevron to indicate the baro-VNV vertical
deviation when Vertical Navigation (VNV) is being used; the VDI appears in conjunction with the “TOD within
1 minute” alert. Full-scale deflection (two dots) is 1000 feet. The VDI is removed from the display if vertical
deviation becomes invalid. See the Flight Management and AFCS sections for details on VNV features, and refer
to Section 2.2, Supplemental Flight Data, for more information about VNV indications on the PFDs.
The
Glideslope Indicator (Figure 2-11) appears to the left of the Altimeter whenever an ILS frequency is tuned
in the active NAV field and the aircraft heading and selected course are within 107°. A green diamond acts as
the Glideslope Indicator, like a glideslope needle on a conventional indicator. If a localizer frequency is tuned
and there is no glideslope, “NO GS” is displayed in place of the diamond.
The glidepath is analogous to the glideslope for GPS approaches supporting SBAS vertical guidance (LNAV+V,
L/VNAV, LPV). When an approach of this type is loaded into the flight plan and GPS is the selected navigation
source, the
Glidepath Indicator (Figure 2-12) appears as a magenta diamond during the approach. If the
approach type downgrades past the final approach fix (FAF), “NO GP” is displayed in place of the diamond.
Full-scale deflection of two dots is 1000 feet.
Figure 2-10 Vertical Speed and
Deviation Indicators (VSI and VDI)
Figure 2-12 Glidepath Indicator
Figure 2-11 Glideslope Indicator
Required
Vertical
Speed
Indicator
Glidepath
Indicator
Glideslope
Indicator
Marker
Beacon
Annunciation
Vertical
Deviation
Indicator
VNV Target
Altitude
Vertical
Speed
Indicator
Vertical
Speed
Pointer
Summary of Contents for Cirrus Perspective SR20
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