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Cirrus SR2x

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AUDIO PANEL AND CNS<br />

SYSTEM<br />

OVERVIEW<br />

FLIGHT<br />

INSTRUMENTS<br />

EIS<br />

AUDIO PANEL<br />

& CNS<br />

4.2 COM OPERATION<br />

COM TRANSCEIVER SELECTION AND ACTIVATION<br />

NOTE: When turning on the avionics for use, the system remembers the last frequencies used and the active<br />

COM transceiver state prior to shutdown.<br />

The COM Frequency Box is composed of four fields displayed on the PFD; the two active frequencies are on<br />

the left side and the two standby frequencies are on the right. The COM transceiver is selected for transmitting<br />

by pressing the COM MIC Keys on the Audio Panel. During reception of audio from the COM radio selected<br />

for transmission, audio from the other COM radio is muted.<br />

An active COM frequency displayed in green indicates that the COM transceiver is selected on the Audio<br />

Panel (COM1 MIC or COM2 MIC Key). Both active COM frequencies appearing in white indicate that no COM<br />

radio is selected for transmitting (SPKR Key is selected and flashing on the Audio Panel).<br />

Frequencies in the standby field are displayed in light blue and white. The standby frequency in the tuning<br />

field is light blue. The other standby frequency is white.<br />

FLIGHT<br />

MANAGEMENT<br />

HAZARD<br />

AVOIDANCE<br />

Active<br />

Fields<br />

GMA 350/350c GMA 347<br />

Standby<br />

Fields<br />

Tuning Field<br />

AFCS<br />

COM2 Radio is Selected<br />

on the Audio Panel<br />

ADDITIONAL<br />

FEATURES<br />

Figure 4-7 Selecting a COM Radio for Transmit<br />

COM3 (GMA 347 only) is reserved for an optional COM radio.<br />

INDEX<br />

APPENDICES<br />

118<br />

Pilot’s Guide for the <strong>Cirrus</strong> <strong>SR2x</strong> with <strong>Cirrus</strong> Perspective by Garmin<br />

190-00820-11 Rev. A

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