1) Converts GAIN-, STC-, FTC-, and I/R-processed video signal to quantized video
(QV) and sends back to the SPU Board.
2) Performs automatic and manual target acquisition and tracking.
3) Detects and displays HD, BP, TRIG, VIDEO, LOG and GYRO signal errors.
4) Outputs ARPA data to the external equipment. (ARP-17: NMEA 0183, TTM,
18P9004, J2, XH-5P)
5) Calculates CPA and TCPA.
6) Detects land echo.
7) Outputs ARPA data to the SPU Board : Target No., R/B, CPA, TCPA, etc.
8) Processes trial maneuver.