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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
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". (→ page 174)
Here is function list to control projector by using GPIO port.
Photo-coupler ON/OFF
8-27
7-26
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Example for turning off the power source (Shutter ON): 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.
Ext_GPIN_P
Pin No.:
5
6
7
Ext_GPIN_N
Pin No.: 24 25 26 27
6-25
5-24
The following functions apply depending on the combination of input
terminals.
OFF
ON
Power ON
ON
OFF
Power OFF
ON
ON
Shutter OFF
OFF
OFF
Shutter ON
OFF
ON
Select HDMI
ON
OFF
Select DisplayPort
ON
ON
Select BNC
OFF
OFF
Select BNC(CV)
OFF
ON
Select BNC(Y/C)
ON
OFF
Select Computer
ON
ON
Select HDBaseT
OFF
OFF
Select SLOT
OFF
ON
reserved
ON
OFF
reserved
ON
ON
reserved
GP I/O Connector
Inside Projector
Resist = 360 Ω
8
173
Photo-coupler
Forward direction voltage: 1.1 V (@5 mA)
Function
9. Appendix
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