Thanks for the replies! I’m getting the codes from this file from JVC:

http://support.jvc.com/consumer/support/documents/2014%20D-ILA%20Remote%20Code.pdf

format seems correct. Seems to be for my model (DLA-X700r).  The page I downloaded it from is here:

[Link: support.jvc.com]

3rd one down “2014 infrared remote.... ver 0.44”