Kramer VP-774, User Manual

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76 VP-774 - The VP-774 RS-232 Communication Protocol
Operation commands
Command Syntax Response
115200
DATA_BITS = 5 to 8 inclusive
PARITY
= “NONE”, “ODD”, “EVEN”, “MARK”, “SPACE”
or the first letter of these words
STOPBITS = 1 or 2
Audio/video common commands
Command Syntax Response
Output volume VOLUME VOLUME-
PARAMETER
VOLUME VOLUME-
PARAMETER RESULT
Get output volume VOLUME?
VOLUME VOLUME-VALUE
Parameters Description:
VOLUME-PARAMETER = output volume parameters:
[VALUE] either positive or negative digits (minus sign precedes negative values).
“+” increase current value,
“-“ decrease current value
Windows
customization
WIN-CUST WINDOW , HPOS ,
HW , VPOS , VH
WIN- CUST WINDOW , HPOS ,
HW , VPOS , VH RESULT
Parameters Description: fast window customization
[WINDOW] “0” for main window; “1” for PiP window
[HPOS] horizontal position value
[HW] horizontal width value
[VPOS] vertical position value
[VH] vertical height value
Set dual window state
PIP PIP-MODE PIP PIP-MODE RESULT
Get dual window state
PIP?
PIP PIP-MODE
Parameters Description:
PIP-MODE = Dual window state:
"0" or "off" for single window.
"1" or "on" to for dual window.
Identification commands
Command Syntax Response
Protocol
Handshaking
#CR ~OK CRLF
Read device model MODEL?
MODEL MACHINE_MODEL
Read device serial
number
SN?
SN SERIAL_NUMBER
Read device
firmware version VERSION?
VERSION MAJOR . MINOR
. BUILD . REVISION
Read device build
date BUILD-DATE?
BUILD-DATE YYYY/MM/DD