The following list summarizes the basic commands. The use of these messages by a device is optional.
| load |
Recalls data from a disk file. |
| pause |
Stops playing. |
| play |
Starts transmitting output data. |
| record |
Starts recording input data. |
| resume |
Resumes playing or recording on a paused device. |
| save |
Saves data to a disk file. |
| seek |
Seeks forward or backward. |
| set |
Sets the operating state of the device. |
| status |
Obtains status information about the device. (The flags for this command supplement the flags for the command in the required command group.) |
| stop |
Stops playing. |