Extron Electronics MVC 121 Plus User Guide - Manual (Page 41)

Digital Input Commands
Command ASCII Command
(Host to Tuner)
Response
(Tuner to Host)
Additional Description
Configure digital input E X! * X@ GPIT } Gpit X! * X@ ] Tagged response
View digital input E X! GPIT }
(Vrb mode 2/3:)
X@* ]
Gpit X! * X@ ] Tagged response
View I/O state X! ]
Vrb mode 2/3:
X% ]
Sio X! * X% ] Tagged response
X! = Digital inputs, 1–3 Inputs 1–3
X@ = Type of change to monitor 0 = Off (default)
1 = Edge, Hi to Lo
2 = Edge, Lo to Hi
3 = Logic level Lo
4 = Logic level Hi
X% = State 0 = Logic Hi (inactive)
1 = Logic Lo (active)
MVC 121 Plus • SIS Programming and Control 35