Chapter 6 Appendix — Technical informationENGLISH - 137Technical informationPJLink protocolThe network function of this projector supports the PJLink class 1, and the PJLink protocol can be used to perform projector setting andprojector status query operations from a computer.Control commandsThe following table lists the PJLink protocol commands that can be used to control the projector.f x characters in tables are non-specific characters.Command Control details Parameter/return string RemarkPOWR Power supply control 0 Standby1 Power onPOWR? Power supply statusquery0 Standby1 Power on2 Preparing for switching off the projector3 Warm-upINPT Input selection11 RGB112 RGB221 VIDEOINPT? Input selection query31 DVI-D32 HDMI33 DIGITAL LINK *134 DisplayPort *1AVMT Shutter control *2*4 /AVmute control *3*4 30 Shutter function off (shutter open) / AV mute function offAVMT? Shutter status query *2 /AV mute status query *3 31 Shutter function on (shutter closed) / AV mute function onERST? Error status query xxxxxx1st byte Indicates fan errors, and returns0 - 2.f 0 = No error isdetectedf 1 = Warningf 2 = Error2nd byte Indicates lamp errors, andreturns 0 - 2.3rd byte Indicates temperature errors,and returns 0 - 2.4th byte Indicates cover open errors,and returns 0 or 2.5th byte Indicates filter errors, andreturns 0 - 2.6th byte Indicates other errors, andreturns 0 - 2.LAMP? Lamp status query xxxxxx 1st digit (1 - 5 digits): Lamp runtime2nd digit: 0 = Lamp off, 1 = Lamp onINST? Input selection list query(EZ580/EW640/EX610)11 12 21 31 32 33 34(EW540/EX510)11 12 21 31 32NAME? Projector name query xxxxx Returns the name set in [PROJECTOR NAME] of [NETWORKSETUP].INF1? Manufacturer namequery Panasonic Returns manufacturer name.INF2? Model name queryEZ580EW640, EW540EX610, EX510Returns model name.INF0? Other informationqueries xxxxx Returns information such as version number.CLSS? Class information query 1 Returns class for PJLink.*1 Only for PT-EZ580, PT-EW640 and PT-EX610*2 For PT-EZ580, PT-EW640 and PT-EX610*3 For PT-EW540 and PT-EX510*4 When the [PROJECTOR SETUP] menu → [ECO MANAGEMENT] → [SHUTTER DETECTION] or [AV MUTE DETECTION] is set to [ON],do not switch on/off in a short time.