![background image](http://html.mh-extra.com/html/kramer/vp-441/vp-441_user-manual_2001724023.webp)
VP-441 - RS-232 Communication Protocol
19
19
8
RS-232 Communication Protocol
The following is the COM port setting
:
Baud Rate: 9600bps
Parity: None
Data Bits: 8bits
Stop Bits: 1bit
Set CTS Mode: Off
Set XON/XOFF: Off
Character Symbols Definitions
Symbol
Meaning
Space
[CR]
Carriage Return, ASCII code 0x0D
[LF] or >
Line Feed, ASCII code 0x0A
Set and Get Command
Set Command:
Type in: Y
Control_Type
Function
Param[CR]
Reply: Z
Control_Type
Function
Param[CR][LF]
Get Command:
Type in: Y
Control_Type
Function[CR]
Reply: Z
Control_Type
Function
Param[CR][LF]
When sending a command, a blank character may precede [CR] if desired
Example
:
Example 1: set brightness value as 32
Send: Y
1
16
32[CR]
Reply: Z
1
16
32[CR][LF]
Example 2: get current output resolution. (2 = SVGA)
Send: Y
4
21[CR]
Reply: Z
4
21
2[CR][LF]