NEC NC2041L User Manual page 85

Output terminal
Pin No.: 9 10 11 12 13 14 15 16
Absolute Maximum Rating: 50 mA
Pin No.: 28 29 30 31 32 33 34 35
• 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
GP I/O terminal
Ext_GPOUT_P
Ext_PROJ_GOOD_P
Ext_GPOUT_N
Ext_PROJ_GOOD_N
Photo-coupler ON/OFF
ON/OFF
–
–
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON/OFF
Inside Projector
Photo-coupler
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.
6. Appendix
85