Onkyo ISCP Codes - "POP" pop up xml messages

Smarty

Active Member
I have successfully controlled my Onkyo receivers for many years using the serial port (but not yet by Ethernet or wireless).
 
My newest receiver (TX-NR-838) appears to have the ability to show on screen messages.
 
I have not yet been able to figure out how the protocol for this should look.  Does anyone have any ideas?
 
For plain old serial control, POWER ON would be: "!1PWR01\013"
 
What would the "!1POPxx.." message look like?
 
 
FYI...I have a copy of the latest (2014 and earlier) ISCP codes from Onkyo.  Can anyone help me get them uploaded (XLS file, 756 KB)
 
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