190-02692-00 Rev. A
Garmin G1000 Pilot’s Guide for the Piper PA-32 Saratoga
108
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
4.2 COM OPERATION
COM TUNING BOXES
NOTE:
When turning on the G1000 for use, the system remembers the last frequencies used and the active
COM transceiver state prior to shutdown.
The COM Frequency Box is composed of four fields; the two active frequencies are on the left side and the
two standby frequencies are on the right. The COM transceiver is selected for transmitting by pressing the
COM MIC Keys on the audio panel. During reception of audio from the COM radio selected for transmission,
audio from the other COM radio is muted.
An active COM frequency displayed in green indicates the COM transceiver is selected on the audio panel
(
COM1 MIC
or
COM2 MIC
Key). Both active COM frequencies appearing in white indicates that no COM
radio is selected for transmitting (
PA
Key is selected on the audio panel).
Frequencies in the standby field are displayed in either white or gray. The standby frequency in the tuning
box is white. The other standby frequency is gray.
Figure 4-3 Selecting a COM Radio for Transmit
Active
Fields
Standby
Fields
Tuning Box
COM2 MIC
selected on
the audio panel
Top of the audio
panel
TRANSMIT/RECEIVE INDICATIONS
During COM transmission, a white TX appears by the active COM frequency replacing the Frequency
Transfer Arrow. On the audio panel, when the active COM is transmitting, the active transceiver COM MIC
Key Annunciation flashes approximately once per second.
During COM signal reception, a white RX appears by the active COM frequency replacing the Frequency
Transfer Arrow. Entertainment audio, if selected, is muted during active COM radio reception.
Figure 4-4 COM Radio Transmit and Receive Indications
Annunciation
flashes during
transmission
Transmit and Receive
Indicators
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