Kramer VP-553, User Manual

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66 VP-553 - The VP-553 RS-232 Communication Protocol
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