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6. 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
Using GPIO Control
Momentary “ON” pulse enables you to control projector. To enable “ON” pulse, hold it for at least 300 ms. Hold “OFF”
for at least 300 ms before “ON”. (
→
)
Here is function list to control projector by using GPIO port.
Photo-coupler ON/OFF
Function
8-27
7-26
6-25
5-24
The following functions apply depending on the combination of input
terminals.
OFF
OFF
OFF
ON
Power ON
OFF
OFF
ON
OFF
Power OFF
OFF
OFF
ON
ON
Shutter close
OFF
ON
OFF
OFF
Shutter open
OFF
ON
OFF
ON
Select HDMI
OFF
ON
ON
OFF
Select DisplayPort
OFF
ON
ON
ON
Select BNC
ON
OFF
OFF
OFF
Select BNC(CV)
ON
OFF
OFF
ON
Select BNC(Y/C)
ON
OFF
ON
OFF
Select Computer
ON
OFF
ON
ON
Select HDBaseT
ON
ON
OFF
OFF
Select SLOT
ON
ON
OFF
ON
reserved
ON
ON
ON
OFF
reserved
ON
ON
ON
ON
reserved
Example for turning off the power source (Shutter close): Input ON to 6-25 and 5-24 while 8-27 and 7-26 are OFF.
NOTE:
• The operation command coming from GPI/O port will be canceled when the projector is processing other tasks.
• Set all other pins than those in use to “OFF”.
• The operation command is executed upon continuous input of the “ON” pulse for approximately 300 ms.
