Commands Transmitted From The M-400 To The Control Computer; Ack: Active Reply; Err: Error; Xon (11H) / Xoff (13H): Handshaking Commands - Roland M-400 Reference Manual

Command details

Commands transmitted from the M-400 to the control computer

ack: Active reply

Function Transmitted following successful reception.
Syntax ack (06H) (Command syntax: type 0)

ERR: Error

Function Transmitted when a problem occurred in the M-400 in response to a command sent from the
control computer.
Syntax stxERR:a; (Command syntax: type 2)
a: Error number
0 (Syntax error)
Transmitted when the command syntax was incorrect.
2 (Busy error)
The M-400 is busy and cannot process the command.
5 (Out of range error)
The parameter of the received command was out of range.
6 (Other error)
Some other error has occurred. This will be transmitted if the M-400 was unable to correctly
process the command.
Note: If one of these commands occurs, the command that was sent to the M-400 immediately prior to this will be ignored.

Xon (11H) / Xoff (13H): Handshaking commands

Function Specifies whether transmission is possible. These are used for handshaking.
Syntax Xon is 11H only (transmission is possible)
Xoff is 13H only (transmission is not possible)
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