190-00709-05 Rev. D
Garmin G1000 Pilot’s Guide for the Socata TBM 850/900
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AUDIO PANEL AND CNS
• Waiting for CPDLC – The system has successfully completed the network logon procedure. During this
state the system is waiting for an ATC facility to initiate a CPDLC session. This state will exist during initial
connection or if a CPDLC session has been closed and the network logon is still valid.
• Connected – The system has successfully established a CPDLC session with a ground facility. CPDLC
messages can be exchanged in this state.
• Logon Failed – The system was unable to establish a network logon.
• CPDLC Disconnected – The system has disconnected from a CPDLC connection. If the network logon is
still valid, the system will accept another CPDLC session from an ATC facility.
Figure 4-17 CPDLC Messages
Current ATC Facility
Next ATC Facility
ATC Facility
Message Status Icon
Message Status Text
Connection Status
CPDLC MESSAGE STATUS ICONS
The CPDLC Messages Page contains a combination of status icons and text to indicate the current status of
each message.
Icon Text Description
Sent Message sent to ATC.
Standby
‘Standby’ message response sent to ATC. The exclamation point notifies
the flight crew that an action is needed to close the message.
Send Failed /
Expired
Message failed to send or the message timed out.
Closed Message sent to ATC and message thread closed.
Table 4-1 Downlink CPDLC Status Icons
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