190-00820-11 Rev. A
Pilot’s Guide for the Cirrus SR2x with Cirrus Perspective by Garmin
127
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
4.3 NAV OPERATION
NAV RADIO SELECTION AND ACTIVATION
The NAV Frequency Box is composed of four fields displayed on the MFD; two standby fields and two active
fields. The active frequencies are on the right side and the standby frequencies are on the left.
A NAV radio is selected for navigation by pressing the
CDI
Softkey located on the PFD. The active NAV
frequency selected for navigation is displayed in green. Pressing the
CDI
Softkey once selects NAV1 as the
navigation radio. Pressing the
CDI
Softkey a second time selects NAV2 as the navigation radio. Pressing the
CDI
Softkey a third time activates GPS mode. Pressing the
CDI
Softkey again cycles back to NAV1.
While cycling through the
CDI
Softkey selections, the light blue NAV tuning field and the Frequency Transfer
Arrow are placed by the active NAV Frequency. The active NAV frequency color changes to green.
The three navigation modes that can be cycled through are:
• VOR1 (or LOC1) – If NAV1 is selected, a green single line arrow (shown) labeled either VOR1 or LOC1 is
displayed on the HSI and the active NAV1 frequency is displayed in green.
• VOR2 (or LOC2) – If NAV2 is selected, a green double line arrow (not shown) labeled either VOR2 or LOC2
is displayed on the HSI and the active NAV2 frequency is displayed in green.
• GPS – If GPS Mode is selected, a magenta single line arrow (not shown) appears on the HSI and neither NAV
radio is selected. Both active NAV frequencies are then displayed in white.
Figure 4-22 Selecting a NAV Radio for Navigation
Active
Fields
Standby
Fields
Tuning Field
The NAV Radio is
Selected by Pressing
the
CDI
Softkey
See the Flight Instruments Section for selecting the DME and Bearing Information windows and using VOR
as the source for the bearing pointer.
The NAV Frequency Box displays the decoded Morse Code station identifier that is received from the
navigation source. Audio verification of the selected station identifier is still required, and can be accomplished
by selecting the corresponding NAV radio on the audio panel and pressing the
NAV VOL/ID
Knob.
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