silverspeedy

So I've got a partial solution and I hope it helps someone...the HD500 "knows" what mode the L3t (or L2t) is in. So when you're in a preset and hit the mode button on the back of the speaker, you'll get the star in the upper left hand of the Pod's display. Save the preset with the Pod's save button and you're done. Repeat for other patches. The speaker mode doesn't show up in any of the Pod menus and it doesn't seem supported through the HD Edit software either - you have to use the Pod's built-in interface. I'd love to be proven wrong, but this will work for now.

silverhead - the issue I've got with your solution is that whenever I switch to a new patch, the HD500x automatically switches the L3t into Electric Guitar mode when it's connected over Line6 Link. I've drained the settings pages in the POD but I can't see how to tie a patch to a different mode on the L3t. I agree that your solution gives the fullest sound (maybe even too much boomy bass at times) but I've got to set the speaker to Reference anytime a switch patches. Any hints? Or this only setup only works over 1/4inch or XLR?

silverhead - the issue I've got with your solution is that whenever I switch to a new patch, the HD500x automatically switches the L3t into Electric Guitar mode. I've drained the settings pages in the POD but I can't see how to tie a patch to a different mode on the L3t. I agree that your solution gives the fullest sound (maybe even too much boomy bass at times) but I've got to set the speaker to Reference anytime a new patch switches the speaker's mode over Line6 Link. Any hints? Otherwise I think this method will only work over 1/4" or XLR outputs but not Line6 Link (without a firmware update?...). So not only does this make Line6 Link unusable for a single-channel configuration, I'm not sure I understand the utility of 'Electric Guitar' mode in the L2/L3 at all. Thank you truly for your advice!