RS-232 Command Reference
21
Sent Commands (VR-4HD
g
Controller)
Item
Sent Commands
Parameter
Sent when a transmitted command has been correctly received
* When a VER, QPI, QDK, QPG, QUB, XON, or XOFF command is
received, no ACK is sent.
ACK
Sent when a transmitted command has not been correctly received
stxERR:a;
a: 0 (syntax error) The received command contains an error.
4 (invalid value error) An argument of the received command is invalid.
5 (out of range error) An argument of the received command is out of range.
Sent when a VER command has been received
stxVER:VR-4HD,a;
a: Version * The version info is ASCII text strings.
PinP status is sent at the following times
•
When PinP status has changed
•
When a QPI command is received
stxQPI:a,b;
a: 0 (OFF), 1 (ON)
b: 0 (CH 1)
–
3 (CH 4) Selected channel for PinP inset screen
Key compositing status is sent at the following times
•
When key compositing status has changed
•
When a QDK command is received
stxQDK:a,b;
a: 0 (OFF), 1 (ON)
b: -1 (OFF), 0 (CH 1)
–
3 (CH 4) Source channel for key compositing
The selected video input channel is sent at the following times
•
When the selected video input channel has changed
•
When a QPG command is received
stxQPG:a;
a: 0 (CH 1)
–
3 (CH 4)
USB connection status is sent at the following times
•
When USB connection status has changed
•
When a QUB command is received
stxQUB:a;
a: 0 (unconnected), 2 (USB 2.0), 3 (USB 3.0)
Flow control
XON
Flow control
XOFF
