Audio Panel Operation | N |
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TELEPHONE MODE OPERATION
When enabled in the installation, COM 5 serves as a full duplex inter- face for telephone systems. When interfaced with specific aircraft approved FAA/FCC cellular telephone equipment, the audio panel can serve as an audio control and distribution center. The audio panel acts as an audio interface between aircraft headphone and microphones and telephone.
The pilot selects telephone by selecting COM 5 on the audio panel. The copilot and passengers each have an external hook switch to allow them to use the telephone.
When COM 5 is configured for duplex and is selected, the pilot micro- phone and headphones are connected to the phone. The pilot PTT switches the pilot microphone to the selected COM transceiver and allows continued aircraft communications. The copilot is able to transmit on the other selected radio with the copilot PTT switch as well.
When the KMA 29 audio panel is configured for COM 5 duplex opera- tion, it functions as follows:
1.The pilot selects telephone by selecting COM 5 on the audio panel.
2.The copilot selects telephone using the external copilot hook switch.
3.The passengers select telephone using the external passenger hook switch.
NOTE: The use of
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18 | KMA 29 Audio Panel Pilot’s Guide | Feb/06 |