User manual

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VP-461 - The VP-461 RS-232 Communication Protocol
10 The VP-461 RS-232 Communication Protocol
The Kramer Protocol lets you control the VP-461 from any standard terminal
software (for example, the Windows
®
HyperTerminal Application).
10.1 Using the Communication Protocol
There are three different methods to control the VP-461 via RS-232:
 Protocol commands (via protocol 3000) mimicking the OSD, see Section
10.2
 The button functions mimicking the remote controller buttons (as well as the
front panel buttons), see Section 10.3
 Protocol 3000 common commands, see Section 10.4
All three tables together include all the protocol commands, but they
are not identical and do not always include the same information.
Some of the data may appear in one or two of the tables but not in the
third table and vice versa.
The protocol 3000 communications protocol uses a data rate of 115200 baud, with
no parity, 8 data bits, and 1 stop bit.
10.2 Communication Protocol: Mimicking OSD
The audio/video protocol commands defines all the function numbers, their valid
parameters can be used with protocol 3000.
10.2.1 Using the Communication Protocol with Protocol 3000 (the “Y”
Command)
Set Command:
Type in: “Y Control_Type=0,Function,Param”
Reply: “~id=01Y Control_Type=0,Function,Param OK”
Set command example, set window control (721) to PiP:
Send: “#y 0,721,1”
Reply: “~01@Y 0,721,1 OK”
i