NEC NC900C-A User Manual - Page 85
Output Connector, External 3D L/R timing signal output ON/OFF
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Output Connector GP I/O Connector Ext_GPOUT_P Ext_PROJ_GOOD_P Pin No.: 9 10 11 12 13 14 15 16 Inside Projector 6. Appendix Absolute Maximum Rating: 50 mA Ext_GPOUT_N Ext_PROJ_GOOD_N Pin No.: 28 29 30 31 32 33 34 35 Photo-coupler • 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. 9-28 10-29 11-30 12-31 13-32 14-33 15-34 16-35 Photo-coupler ON/OFF ON/OFF - - ON/OFF ON/OFF ON/OFF ON/OFF ON/OFF Function External 3D L/R timing signal output ON/OFF System reserved (used internally) System reserved (used internally) Internal 3D L/R timing signal output ON/OFF GPIO control status check ON: GPIO control (input) is unavailable. OFF: GPIO control (input) is available. Error check ON: Error OFF: No error IMB status check ON: The content is being played. OFF: The content is stopped/paused. Health check (heart beat) ON and OFF are alternately output when operations are normal. 85