Appendix E: System Integration
E-2 Christie DS+60/DW30/Matrix 3000 User’s Manual
Query Command
(GIO?)
Request the state and configuration of all pins
(GIO! “HHLLHLH” “OOIOOOI”)
Reply of pin state and configuration
(GIO? C2)
Request configuration for pin #2
(GIO! C2 O)
Reply with pin #2 configuration as output
(GIO? 2)
Request the state of pin #2
(GIO! H)
Reply with pin #2 state as high
Real Time Event
Use the serial command RTE to specify an action that is initiated at a particular time or based
on an external stimulus.
For General Purpose IO “G”
Parameter Name
Value
P1
RTE type
G (Real Time I/O Event)
P2 I/O
bit
1-7
P3 Pin
state
(1 Character)
(String)
H = High
L = Low
“LHXXXHL” Combine multiple inputs and
trigger occurs when all conditions are met
P4
Commands
Any valid serial protocol command for the device
Example 2. Projector powers up when a switch on the external device is turned on.
(GIO C2 I)
Set pin #2 configuration as input
(RTE G 2 H “(PWR 1)”)
Power on when pin #2 set to high
(RTE G 2 L “(PWR 0)”)
Power off when pin #2 set to low
