190-00820-08 Rev. A
Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
152
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
GMA 347 PREFLIGHT
After powering up the avionics System, the following steps will aid in maximizing the use of the Audio Panel
as well as prevent pilot and copilot induced issues. These preflight procedures should be performed each time a
pilot boards the aircraft to insure awareness of all audio levels in the Audio Panel and radios.
Pilot and
Copilot ICS
Isolation Keys
Copilot/Passenger Volume
and Manual Squelch
Pilot Volume and
Manual Squelch
Automatic/Manual
Squelch Annunciation
Figure 4-52 Audio Panel Preflight Controls
Setting the Audio Panel during preflight:
1)
Verify that the PILOT and COPLT Annunciators are extinguished.
2)
Verify that manual squelch is set to full open.
3)
Turn the
PILOT
Knob and
COPILOT
Knob fully clockwise. This will set the headset intercom audio level to max
volume (least amount of attenuation).
4)
Adjust radio volume levels (COM, NAV, etc.) to a suitable level.
5)
Adjust the
PILOT
Knob and
COPILOT
Knob volume to the desired intercom level.
6)
Reset squelch to automatic, or adjust to the appropriate level manually.
Once this procedure has been completed, the pilot and copilot can change settings, keeping in mind the notes
above.
Summary of Contents for Cirrus Perspective SR20
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