INSIGHT 4K LASER User Manual 
 
6.5.2. External control connector (GP I/O) (D-sub 37 pin) 
It is possible to control the projector with an external device and to control the external device from the projector using an
 
external control 
connector (GPIO: General Purpose I/O Ports). Each pin is electrically separated from the projector internal
 
circuits by a photo-coupler. 8 port 
input and 8 port output are available.
 
Please contact your dealer/distributor regarding how to use and to operate them.
 
 
 
 
 
 
 
Pin view of female connector 
 
Pin No.  Signal Name  I/O  Pin No.  Signal Name  I/O 
1  GPIN1+ 
(3D L/R Input Reference +) 
(3D L/R Input Reference -) 
IN 
2  GPIN2+ 
(3D L/R Display Reference +) 
IN  21  GPIN2- 
(3D L/R Display Reference -) 
IN 
3  GPIN3+ (system reserved)  IN  22  GPIN3- (system reserved)  IN 
4  GPIN4+ (system reserved)  IN  23  GPIN4- (system reserved)  IN 
5  EXT_GPIN1+ 
(Control and Title Selection +) 
(Control and Title Selection -) 
IN 
6  EXT_GPIN2+ 
(Control and Title Selection +) 
IN  25  EXT_GPIN2- 
(Control and Title Selection -) 
IN 
7  EXT_GPIN3+ 
(Control and Title Selection +) 
IN  26  EXT_GPIN3- 
(Control and Title Selection -) 
IN 
8  EXT_GPIN4+ 
(Control and Title Selection +) 
IN  27  EXT_GPIN4- 
(Control and Title Selection -) 
IN 
9  GPOUT1+ 
(External 3D L/R Output Reference +) 
(External 3D L/R Output Reference -) 
OUT 
10  GPOUT2+ (system reserved)  OUT  29  GPOUT2- (system reserved)  OUT 
11  GPOUT3+ (system reserved)  OUT  30  GPOUT3- (system reserved)  OUT 
12  GPOUT4+ 
(Internal 3D L/R Output Reference +) 
OUT  31  GPOUT4- 
(Internal 3D L/R Output Reference -) 
OUT 
13  EXT_GPOUT1+ 
(Projector Error Status +) 
(Projector Error Status -) 
OUT 
16  EXT_GPOUT4+ 
(Projector Heartbeat +) 
OUT  35  EXT_GPOUT4- 
(Projector Heartbeat -) 
OUT 
17  NC (not connected)  -  36  NC (not connected)  - 
18  GND  PWR  37  GND  PWR 
19  GND  PWR  -  -  - 
 
EXT_GPIN1 - EXT_GPIN4: 
You can control the projector externally by combinations of input signals (high/low).
 
(Projector power 
supply/turning the light source on or off/image mute/title selection)
 
EXT_GPOUT1 - EXT_GPOUT4:  Functions in the above table are default settings. You can change the assigned functions.
 
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