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The antenna is steered by the antenna control unit to point a high gain beam in the direction of the desired satellite.
The Cabin Communication System (CCS) provides a private automatic branch exchange switching network. This network routes voice and data communications to and from up to nine active devices (handsets/FAXs/modems/data link etc.) in the airplane and provides six air-to-ground channels. The systems includes connections of basic telephone/telecomputing equipment to UHF antenna and SATCOM links. In the event a data link device is installed on the airplane, the CCS has the capability to communicate with the data link device using an internal modem. The digital handset is located in the flight compartment and has a backlit LCD display and telephone style keypad used to dial calls and select various options. A credit card reader (for optional billing) is built into the handset and a two-button increase/decrease volume control (side of handset) is also installed. The printer can be used to print selected messages and weather data sent to it via the Airborne Data Link System (ADLS). The printer is also used by the Central Aircraft Information Maintenance System (CAIMS) to print out certain maintenance fault and status information. This is accomplished via the Portable Maintenance Access Terminal (PMAT). PRINT MAINT REPORT Button . active fault reporting can be printed by pressing the button and a short report will be printed even if no faults are detected. |