user manual
Kramer Protocol 
39
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 
Switch to protocol 2000*  P2000  P2000 OK 
* Protocol 2000 has command to switch back to ASCII protocol (like protocol 3000) 
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 RESULT 
Parameters Description: 
STAGE  =  
"In","Out" 
or 
Numeric value (present audio processing stage). For example: "0" for Input level, "1" for Pre-Amplifier, "2" for Amplifier (Out) 
etc. 
CHANNEL  = Input or Output # 
VOLUME  = Audio parameter in Kramer units, precede minus sign for negative values.  
    ++ increase current value  
-- decrease current value 
MUTE MODE  = 1 – Mute 
       0 – Unmute 
Machine info commands  
Command 
Syntax 
Response 
* Time settings commands require admin authorization 
Read in/outs count 
INFO-IO?  
INFO-IO: IN INPUTS_COUNT, OUT OUTPUTS_COUNT 
Read max presets 
count 
INFO-PRST?  
INFO-PRST: VID PRESET_VIDEO_COUNT, AUD 
PRESET_AUDIO_COUNT 










