R5906112 /09 UDX series563.8 LED and Button indication chartButton Backlight StatusButton Color status DescriptionStandby button Blinking WHITE (slow) Projector starts up (booting)Blinking WHITE (fast) Firmware upgradeSolid WHITE Projector is in Standby modeBlinking BLUE Projector goes to ON modeSolid BLUE Projector is ONBlinking RED Error conditionShutter button Off (no color) Projector is OFF, starts up, or is inStandby mode.Solid WHITE Projector is ON, shutter is openSolid RED Projector is ON, shutter is closedLED StatusLED Color status DescriptionPWR (power LED) Off Projector powers upRED Projector is in StandbyORANGE Projector is ReadyGREEN Projector is onLIGHT (Illumination LED) Off Light source is offRED No light source detectedORANGE Light source is on in ECO modeGREEN Light source is on in normal modeGREEN-ORANGE Light source is on in CLO modeERR (error LED) Off No errorRED toggles on/off ErrorORANGE toggles on/off WarningIR RED IR signal receivedGREEN IR signal acknowledgedInput & Communication