190-00820-08 Rev. A
Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
112
AUDIO PANEL AND CNS
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
CONTROL UNIT
The Control Unit is a pedestal-mounted interface allowing data entry, COM and NAV tuning, and transponder
control. Many procedures can be performed using the Control Unit rather than the MFD/PFD display bezel
controls. Annunciators above the
FMS
,
XPDR
,
NAV
, and
COM
keys are illuminated when their respective
control modes are selected.
COM and NAV radio tuning can be accomplished from the control unit. The appropriate frequency box on
the selected display is outlined by a light blue selection box, which flashes for a few seconds to indicate control
unit activity. Selection of a different display control or radio tuning mode results in cancelation of the previous
radio tuning mode.
Figure 4-4 Control Unit
2
8
10
1
12
4
9
11
5
3
7
6
Figure 4-5 Frequency Tuning with the Control Unit
Tuning Selection
Box
Summary of Contents for Cirrus Perspective SR20
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