Extron electronic Extron Electronics Music Mixer DMP 44 LC User Manual

When the DMP 44 LC is unable to execute the command, it returns an error response to 
the host. The error response codes and their descriptions are as follows:

E10

Invalid command

E11 

Invalid preset

E12 

Invalid port number

E13 

Invalid parameter (number is out of range)

E14 

Not valid for this configuration

E17 

System timed out

E22 

Busy

E25

Device is not present

Although the DMP 44 LC uses the same structure for SIS commands, there are two 
variations. One is the global command structure documented in the  
“

The second set of tables for DSP SIS commands uses the command structure outline 
beginning with 

. While using the 

same structure of basic SIS commands, they differ in how the software addresses the 
individual processor blocks within the DMP 44 LC. 

]

=

CR/LF (carriage return/line feed) (hex 0D 0A)

}

=

Carriage return (no line feed, hex 0D) 

•

=

Space character

|

=

Pipe (vertical bar) character

E

=

Escape key (hex 1B)

=

=

Future capability (not currently available)

X!

= Version number

Listed to two decimal places (for example, x.xx)

X@

= Version and Build number

The least significant bits is the build number (for example, x.xx.xxxx)

X#

= Verbose/Response mode

0 = clear or none
1 = verbose mode (not tagged, not broadcast)
2 = tagged responses for queries (tagged, not broadcast)
3 = verbose mode + tagged responses for queries (tagged and broadcast)
Default = 1 for RS-232 host control

NOTE: 

If ‘tagged responses’ is enabled, all read commands will return the 
constant string + the data, like setting the value does, for example,  
command:

 

 

ECN}

 

response:

  

Ipn•X1@]

X$

= Baud rate

0 = 9600 
1 = 19200 
2 = 38400 (default) 
3 = 15200