TM 1–1520–238–T–3
14–1
CHAPTER 14
SYMBOL GENERATOR (SYM GEN) MULTIPLEX READ CODES
FAILURE SYMPTOM INDEX
Symptom
Refer to paragraph
SYMBOL GENERATOR NO–GO LH FAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–1
PILOT VDU DOES NOT RECEIVE PILOT VIDEO AND SYMBOLS . . . . . . . . .
14–47
PILOT VDU DOES NOT RECEIVE CPG VIDEO AND SYMBOLS . . . . . . . . . .
14–48
HDU ELECTRONIC UNIT DOES NOT RECEIVE PILOTS FLIR VIDEO AND
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–48
PILOT CANNOT CHANGE VIDEO MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–48
PILOT VIDEO IS NOT RECORDED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–49
SYMBOL GENERATOR IS NOT SYNCHED . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–50
SYMBOL GENERATOR CONTINUALLY RUNS BIT . . . . . . . . . . . . . . . . . . . . . .
14–51
CPG DOES NOT RECEIVE TADS VIDEO AND SYMBOLS . . . . . . . . . . . . . . . .
14–52
CPG CANNOT SELECT SYMBOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–52
CPG CANNOT SELECT VIDEO MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–53
CPG TADS LINE OF SIGHT (LOS) RETICLE IS INACCURATE OR MISSING
14–54
CPG VIDEO SELECT DOES NOT CHANGE OR IS MISSING . . . . . . . . . . . . .
14–57
CPG FOV BRACKET SIZE DOES NOT CHANGE OR IS MISSING . . . . . . . . .
14–59
CPG AIRCRAFT MAGNETIC HEADING IS MISSING, INACCURATE, OR
DOES NOT CHANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–61
CPG OPEN HEADING CUE IS MISSING, INACCURATE, OR DOES NOT
CHANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–63
CPG CUED LOS IS MISSING OR INACCURATE . . . . . . . . . . . . . . . . . . . . . . . .
14–64
CPG I BEAM IS MISSING OR INACCURATE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–65
CPG I BEAM DOES NOT GO SOLID WHEN LAUNCH CONSTRAINTS ARE
MET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–66
CPG HEADING CUE IS MISSING OR INACCURATE . . . . . . . . . . . . . . . . . . . . .
14–69
CPG MISSILE BOX IS MISSING OR INACCURATE . . . . . . . . . . . . . . . . . . . . . .
14–71
CPG MISSILE BOX DOES NOT GO SOLID WHEN LAUNCH CONSTRAINTS
ARE MET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–71
CPG TOP CUEING DOT IS MISSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–76
CPG RT CUEING DOT IS MISSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–77
CPG BOTTOM CUEING DOT IS MISSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–78
CPG LT CUEING DOT IS MISSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–79
CPG IHADSS COARSE CUED LOS IS MISSING OR INACCURATE . . . . . . .
14–80
CPG TADS/PNVS FOV BOX IS MISSING OR INACCURATE . . . . . . . . . . . . . .
14–83
CPG AIRSPEED DISPLAY DOES NOT DISPLAY AIRSPEED . . . . . . . . . . . . . .
14–87
CPG RADAR ALTITUDE DISPLAY DOES NOT DISPLAY RADAR ALTITUDE
14–89
PILOT RADAR ALTITUDE DISPLAY DOES NOT DISPLAY RADAR
ALTITUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–91
