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6. Appendix
Output Connector
GP I/O Connector Inside Projector
Photo-coupler
Ext_GPOUT_P
Ext_PROJ_GOOD_P
Pin No.: 9 10 11 12 13 14 15 16
Pin No.: 28 29 30 31 32 33 34 35
Absolute Maximum Rating: 50 mA
Ext_GPOUT_N
Ext_PROJ_GOOD_N
• Using GPIO Control
You can use GPIO control for the projector’s health check and error check. Also, you can use the output as the trigger to control
external devices.
The following functions are assigned to the pin number 13-32, 14-33, 15-34, and 16-35 (EXT_GPOUT1 - EXT_GPOUT4) as the
default. You can change the assigned functions.
Pin No. Photo-coupler ON/OFF Function
9-28 ON/OFF External 3D L/R timing signal output ON/OFF
10-29 – System reserved (used internally)
11-30 – System reserved (used internally)
12-31 ON/OFF Internal 3D L/R timing signal output ON/OFF
13-32 ON/OFF GPIO control status check
ON: GPIO control (input) is unavailable.
OFF: GPIO control (input) is available.
14-33 ON/OFF Error check
ON: Error
OFF: No error
15-34 ON/OFF IMB status check
ON: The content is being played.
OFF: The content is stopped/paused.
16-35 ON/OFF Health check (heart beat)
ON and OFF are alternately output when operations are
normal.
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