83
6. Appendix
Input Connector
GP I/O Connector
Inside Projector
Resist = 390
Ω
Photo-coupler
Forward direction voltage: 1.1V (@5mA)
Ext_GPIN_P
Pin No.: 1 2 3 4 5 6 7 8
Ext_GPIN_N
Pin No.: 20 21 23 23 24 25 26 27
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: 5mA
Absolute Maximum Rating:
23mA
• Using GPIO Control
Momentary “ON” pulse enables you to control projector. To enable “ON” pulse, hold it for at least 500 ms. Hold “OFF” for at
least 500 ms before “ON”. (See page 84)
Here is function list to control projector by using GPIO port.
Pin No.
Photo-coupler ON/OFF
Function
1-20
ON/OFF
3D L/R timing signal input ON/OFF
2-21
ON/OFF
3D L/R display timing signal input ON/OFF
3-22
-
System reserved (used internally)
4-23
-
System reserved (used internally)
5-24
6-25
7-26
8-27
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
Light source ON
OFF
ON
OFF
OFF
Light source OFF
OFF
ON
OFF
ON
Image douser ON
OFF
ON
ON
OFF
Image douser OFF
OFF
ON
ON
ON
System reserved (used internally)
ON
OFF
OFF
OFF
Selects the title registered to the preset button 1
ON
OFF
OFF
ON
Selects the title registered to the preset button 2
ON
OFF
ON
OFF
Selects the title registered to the preset button 3
ON
OFF
ON
ON
Selects the title registered to the preset button 4
ON
ON
OFF
OFF
Selects the title registered to the preset button 5
ON
ON
OFF
ON
Selects the title registered to the preset button 6
ON
ON
ON
OFF
Selects the title registered to the preset button 7
ON
ON
ON
ON
Selects the title registered to the preset button 8
Example for dousing image:
Input ON to 5-24 and 7-26 while 6-25 and 8-27 are OFF.
Example for selecting the preset button 2: Input ON to 5-24 and 8-27 while 6-25 and 7-26 are OFF.
NOTE
• The operation command coming from GPI/O port will be canceled when the projector is processing other
tasks, such as lamp cooling and switching title.
• Set all other pins than those in use to “OFF”.
• The operation command is executed upon continuous input of the “ON” pulse for approximately 200 ms.
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