Kramer Electronics VP-28 User Manual
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VP-28 - Kramer Protocol
Read audio
connection
AUD? OUT
Short form: A? OUT
AUD? *
AUD IN>OUT
AUD IN>1, IN>2, …
Parameters Description:
IN = Input number or '0' to disconnect output.
'
>
' = Connection character between in and out parameters.
OUT = Output number or '*' for all outputs.
Examples:
Switch Video and Audio input 3 to output 7 #AV 3>7CR
~AV 3>7 OK
CRLF
Switch Video input 2 to output 4
#V 2>4
CR
~VID 2>4 OK
CRLF
Switch Video input 4 to output 2 in
machine number 6
#6@VID 4>2
CR
~6@VID 4>2 OK
CRLF
Disconnect Video and Audio Output 4
#AV 0>4
CR
~AV 0>4 OK
CRLF
Switch Video Input 3 to All Outputs
#V 3>*
CR
~VID 3>* OK
CRLF
Chaining Multiple
commands*
#AV 1>* | V 3>4, 2>2, 82>1, 0>2 |V 82>3| A 0>1 | V? *
CR
First switch all Audio and video outputs from input 1,
Then switch video input 3 to output 4, video input 2 to output
2, video input and disconnect video output 2.
Then switch audio input 3 to output 2,
Then disconnect audio output 1.
Then get status of all links (assume this is 4x4 matrix).
Commands processing start after entering
CR, response will sent
for each command after processing it.
~AV 1>* OK
CRLF
~VID 1>2, 3>4 OK
CRLF
~VID 82>3
ERR###
CRLF
~AUD 0>1 OK
CRLF
~V 1>1, 0>2, 1>3, 3>4
CRLF
Operation commands
Command
Syntax
Response
Lock front panel
LOCK-FP LOCK-MODE
Short form: LCK LOCK-MODE
LOCK-FP LOCK-MODE RESULT
Get front panel locking state
LOCK-FP?
LOCK-FP LOCK-MODE
Parameters Description:
LOCK-MODE = Front panel locking state:
"0" or "off" to unlock front panel buttons.
"1" or "on" to lock front panel buttons.
Restart device
RESET
RESET OK
Audio parameters commands
Command
Syntax
Response
Set audio level in specific
amplifier stage.
AUD-LVL STAGE, CHANNEL, VOLUME
Short form: ADL STAGE, CHANNEL, VOLUME
AUD-LVL STAGE,
CHANNEL, VOLUME
RESULT
Read audio volume level AUD-LVL? STAGE, CHANNEL
Short form: ADL? STAGE
AUD-LVL STAGE,
CHANNEL, VOLUME
Mute audio
MUTE MUTE-MODE
MUTE MUTE-MODE