190-00820-08 Rev. A
Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
144
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
A
djuSting
M
AnuAl
S
quelch
When the cursor is on MAN SQ, the Volume Control Knob adjusts the ICS Squelch Threshold (the
volume level that must be exceeded to be heard over the intercom).
Volume/Squelch Control
Manual Squelch Annunciator; Off for
Automatic Squelch, On for Manual Squelch
Relative Volume/
Squelch Scale
Volume or Manual Squelch
Cursor
SPLIT COM MODE WITH THE GMA 350
NOTE:
Split COM performance is affected by the distance between the COM antennas and the separation
of the tuned frequencies. If the selected COM frequencies are too close together, interference may be heard
during transmission on the other radio.
During Split COM operation, both the pilot and the copilot can transmit simultaneously over separate
radios. In Split COM mode, the pilot is uses COM1 and the copilot is uses COM2.
Pressing both
MIC
Keys simultaneously initiates Split COM Mode (i.e., COM1/COM2). The respective
COM1/MIC1 or COM2/MIC2 annunciators are illuminated indicating Split COM operation. Split COM
operation is cancelled by pressing one of the selected MIC Keys again.
Split COM Selected
Summary of Contents for Cirrus Perspective SR20
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