173
9. Appendix
Inside Projector
Voltage applied across the pins of Ext_GPIN_P and Ext_GPIN_N
should be in the range from 3.3 Vdc to 10 Vdc.
Recommended Operating Current: 5 mA
Absolute Maximum Rating: 23 mA
Resist = 360 Ω
Photo-coupler
Forward direction voltage: 1.1 V (@5 mA)
GP I/O Connector
Pin No.: 5 6 7 8
Pin No.: 24 25 26 27
Ext_GPIN_P
Ext_GPIN_N
UsingGPIOControl
Momentary“ON”pulseenablesyoutocontrolprojector.Toenable“ON”pulse,holditforatleast300ms.Hold“OFF”
foratleast300msbefore“ON”.(→page174)
HereisfunctionlisttocontrolprojectorbyusingGPIOport.
Photo-couplerON/OFF Function
8-27 7-26 6-25 5-24
Thefollowingfunctionsapply dependingon thecombinationof input
terminals.
OFF OFF OFF ON
PowerON
OFF OFF ON OFF PowerOFF
OFF OFF ON ON ShutterOFF
OFF ON OFF OFF ShutterON
OFF ON OFF ON SelectHDMI
OFF ON ON OFF SelectDisplayPort
OFF ON ON ON SelectBNC
ON OFF OFF OFF SelectBNC(CV)
ON OFF OFF ON SelectBNC(Y/C)
ON OFF ON OFF SelectComputer
ON OFF ON ON SelectHDBaseT
ON ON OFF OFF SelectSLOT
ON ON OFF ON reserved
ON ON ON OFF reserved
ON ON ON ON reserved
Exampleforturningoffthepowersource(ShutterON):InputONto6-25and5-24while8-27and7-26areOFF.
NOTE:
• TheoperationcommandcomingfromGPI/Oportwillbecanceledwhentheprojectorisprocessingothertasks.
• Setallotherpinsthanthoseinuseto“OFF”.
• Theoperationcommandisexecuteduponcontinuousinputofthe“ON”pulseforapproximately300ms.