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6. Appendix
Input Connector
GP I/O Connector Inside Projector
Photo-coupler
Forward direction voltage: 1.1V (@5mA)
Resist = 390 Ω
Ext_GPIN_P
Pin No.: 1234567
Ext_GPIN_N
Pin No.: 20 21 22 23 24 25 26
8
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 53)
Here is function list to control projector by using GPIO port.
Pin No.
1-20
2-21
3-22
4-23
3-22
5-24
3-22
4-23
5-24
6-25
6-25
OFF
OFF
OFF
OFF
ON
ON
ON
ON
5-24
OFF
OFF
ON
ON
OFF
OFF
ON
ON
4-23
OFF
ON
OFF
ON
OFF
ON
OFF
ON
3-22
ON
ON
ON
ON
ON
ON
ON
ON
Photo-coupler ON/OFF
ON
ON
Function
Lamp on
Lamp off
-
Image doused
-
Image un-doused
-
Selects title registered to MACRO 1
Selects title registered to MACRO 2
Selects title registered to MACRO 3
Selects title registered to MACRO 4
Selects title registered to MACRO 5
Selects title registered to MACRO 6
Selects title registered to MACRO 7
Selects title registered to MACRO 8
4-23
ON
5-24
ON
3-22
OFF
3-22
OFF
Example for dousing image: 4-23 is pulsed with keeping 3-22 off.
Example for selecting Macro 2: 3-22 and 4-23 are pulsed simultaneously with keeping 6-25 and 5-24 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.