![background image](http://html1.mh-extra.com/html/kramer/vp-553xl/vp-553xl_user-manual_2002231072.webp)
VP-553xl –
The VP-553xl RS-232 Communication Protocol
67
Command –
SIGNAL
Command Type - System
Command Name
Permission
Transparency
Set :
-
-
-
Get
SIGNAL?
End User
Public
Description
Syntax
Set:
-
-
Get:
Get input signal lock status
#
SIGNAL?
␠
P1
␍
Response
~
nn
@
SIGNAL
␠
P1,P2
␍␊
Parameters
P1 (Input number)– 0: HDMI1; 1: HDMI2; 2: HDMI3; 3: HDBT1; 4: HDBT2; 5: HDBT3
P2 – 0=Off; 1=On
Response triggers
•
After execution, response is sent to the com port from which the
Get
was received
•
Response is sent after every change in input signal status
ON to OFF
, or
OFF to ON
Command –
DISPLAY?
Command Type - System
Command Name
Permission
Transparency
Set :
-
-
-
Get
DISPLAY?
End User
Public
Description
Syntax
Set:
-
-
Get:
Get output HPD status
#DISPLAY?
␠
P1
␍
Response
~
nn
@
DISPLAY
␠
P1,P2
␍␊
Parameters
P1 (Output number) – 0=HDMI1; 1=HDBT1; 2=HDMI2
P2 – 0=Off; 1=On
Response triggers
•
After execution, response is sent to the com port from which the
Get
was received
•
Response is sent after every change in output HPD status
ON to OFF
•
Response is sent after every change in output HPD status
OFF to ON
and ALL parameters (new
EDID, etc.) are stable and valid