Specifications

270 Appendix E Display Cluster Protocol
Busy Sent repeatedly while busy doing lengthy tasks, such as downloading or
caching files.
Busy "Transferring" "Media/Wilfred.jpg" 76
Note that either or both string parameters may be empty, in which case the
controller should retain the previous values for these parameters and just
update the progress value.
Feedback Parameter Description
<string> What is being done (for instance, “Transferring”). May be empty string.
<string> The subject of the above action (for instance, a file name). May be empty.
<uint> Percentage done so far, 0...100
[<string>] Address of originator (empty or omitted if originating from the master).