NEC NC900C-A User Manual - Page 85

Output Connector, External 3D L/R timing signal output ON/OFF

Page 85 highlights

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

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85
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.