SLA - 55A Compass System TesterAdapter harnesses carried internallyExtract and inject signals easily and efficiently Testing elements include: Slaved gyro/magnetic HDG Selected HDG HDG valid Selected VOR/GPS/RNAV/Loran or LOC course VOR/GPS/RNAV/Loran or LOC deviation TO/FROM, GPS, RNAV or VOR input NAV flag GS deviation and flag Selected A/P HDG/CRS outputs KG 102A power supply Lighting KI 525A and KI 51B KI 525A resolver Bootstrap amp outputs Stepper motor drive A handy 16" W x 13" D x 7" H Includes all harnesses