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RADIO INTERFACE UNIT
The radio interface unit provides three additional simultaneous voice communication channels when operated in conjunc-tion with the SDU.
HIGH-POWER AMPLIFIER
The high-power amplifier provides rate/frequency power amplification on the L band signals generated by the satellite data unit or radio frequency unit to a power level required for transmission to the satellite.
SATCOM ANTENNA
The SATCOM system is equipped with one antenna and is located on top of the vertical stabilizer. The SATCOM antenna is directional and mechanically controlled.
The SATCOM antenna transmits and receives data to the SATCOM LNA/duplexes and the SATCOM antenna control unit (ACU).
SATCOM ANTENNA CONTROL UNIT
The antenna control unit processes signals from the SATCOM antenna to calculate location. The ACU transmits data to the SATCOM antenna to control the antenna direction. The ACU gives built-in-test equipment and location data to the SAT-COM transceiver.
DATA LINK (OPTIONAL)
DESCRIPTION
Data link operation is via the VHF, HF, or SATCOM and is controllable from the FMS CDU. The system utilizes the same data loading unit as the FMS with air-ground-air and air-to-air capabilities. Crew advisory messages are displayed on the CDU scratch pad.
Volume 2 Flight Crew Operating Manual Sep 13/2004 CSP 100-6 REV 1
06-01-12 STATIC WICKS
Static wicks are installed to discharge static electricity, thereby reducing radio interference. They are installed at the fol-lowing locations:
-Winglets/wingtips and ailerons
-Elevators, rudder, vertical stabilizer, horizontal stabilizer and tail cone
Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
06-01-13 COCKPIT VOICE RECORDER (CVR)
DESCRIPTION
The solid state cockpit voice recorder (CVR) consists of a flight deck control panel and a recorder unit that is painted bright orange with reflective stripes. The CVR is mounted in the aft equipment bay.
COMPONENTS AND OPERATION
The CVR receives four channels of audio data from the audio electronics control unit. The recorded information includes all audio received and transmitted from the following locations:
-Pilot station
-Copilot station
-Area microphone (center of glareshield)
-Observer station
CVR CONTROL PANEL
The CVR control panel is located on the center pedestal and is used to test the CVR system.
The CVR control panel contains:
-A green TEST button and green indicator lamp
-Headset jack
-ERASE button
The CVR starts recording as soon as electrical power is applied to the aircraft. When the aircraft experiences impact decel-eration, electrical power is removed from the recorder to prevent erasure of the stored audio data.
The CVR TEST button, when selected, performs an internal test of the CVR system. A successful test is indicated by illu-mination of the green indicator lamp.
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