190-00820-11 Rev. A
Pilot’s Guide for the Cirrus SR2x with Cirrus Perspective by Garmin
158
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
4.6 AUDIO PANEL PREFLIGHT PROCEDURE
NOTE:
If the pilot and/or copilot are using headsets that have a high/low switch or volume control knob,
verify that the switch is in the high position and the volume control on the headsets are at maximum volume
setting. On single-pilot flights, verify that all other headsets are not connected to avoid excess noise in the
audio system.
NOTE:
When the
MAN SQ
Key is pressed, the ICS squelch can be set manually by the pilot and copilot.
If manual squelch is set to full open, background noise is heard in the ICS system as well as during COM
transmissions.
GMA 350/350C PREFLIGHT
After powering up the system, the following steps 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.
Figure 4-57 Audio Panel Controls
Manual Squelch Annunciator; Off for Automatic Squelch,
On for Manual Squelch
Volume or Manual
Squelch
Relative Volume/
Squelch Scale
Cursor
Intercom Annunciators
Setting the Audio Panel during preflight:
1)
Verify that the PILOT , COPLT and PASS annunciators are lit.
2)
Adjust radio volume levels (COM, NAV) to a suitable level.
3)
Use the Blue-Select Mode to distribute the telephone/entertainment
(
)
, MUS1, and MUS2 appropriately.
4)
Use the
VOL/CRSR
Knobs to adjust the intercom volumes to the desired level.
Once this procedure has been completed, the pilot and copilot can change settings, keeping in mind the notes
above.
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.
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