Can you please describe your setup a little more? How are you using the VoiceLive 3 and UM2 together? Are you connecting the XLR output from the VoiceLive 3 into the input of the UM2? This Knowledge Base article explains how you can use the VoiceLive 3 as a USB audio interface, allowing you to not use the UM2 and hopefully restore your monitoring. If that doesn't help, please return with more info and hopefully we can get it sorted for you!
The physical connection is easy, just take the MIDI output from the VoiceLive and plug that into the MIDI input of the Nova Drive, but this might not be as useful as you're hoping. The issue is that neither product has remappable MIDI CC's, all the CC's in each product are hard-coded and can't be changed around to suit your needs. When comparing the CC tables for both products there is some overlap, for example you can turn on the guitar octaver in VL3 to engage the OD drive in the Nova Drive, but you're quite limited in terms of having the two products interact.
Here are the MIDI CC's for the Nova Drive:
And here are the CC's for the VoiceLive 3:
Just FYI with VL3, those CC's are what you can send into the VoiceLive to toggle those effects, but are also the same CC's that the VoiceLive outputs if you manaully toggle that effect with a footswitch.
There are two simple options I can think of that suit your criteria: Duplicator and Perform-V. They both are nice and simple in terms of what you see is what you get, there are no menus to get into, and all effects are visible at the top level. The Duplicator is a stompbox pedal similar to your Harmony Singer, but instead of the Harmony effect it has Doubling (which doesn't require an instrument guide) and chromatic pitch correction. The Perform-V mounts on a microphone stand (there's an optional footswitch), and in addition to having everything the Duplicator has, it also has: Anti-feedback, Echo (delay), and three preset slots. You can also import new presets into the Perform-V (from our desktop app, or the mobile iOS/Android apps) to add distortion and other new effects, so there is more room for growth with the Perform-V. Hopefully that's helpful, cheers!
I can't speak to the power supply issue, that's likely something to take up with your distributor, however I can hopefully help with your updating issue. It looks like you're trying to use VoiceSupport 1 which no longer connects to our server as you've found. That program is ancient and has been replaced by VoiceSupport 2, please install VoiceSupport 2 and try the update procedure again. I would also suggest attempting a factory reset of your PlayAcoustic, done by holding the "Back" and "Store" buttons while powering on the unit. After an update and reset, if you're finding that some buttons are still not working, please get in contact with our support team to discuss troubleshooting, or exchange the unit at your distributor if that's still an option. Good luck!
You can adjust the content on the XLR outputs for single VS dual speakers by changing output modes from Mono to Stereo, however this won't really impacxt your mix of wet VS dry. There is however a setting in the Mix menu I think could be useful to your situation... In the Mix menu (you can get here by tweaking any of the small knobs below the screen while on the Home screen) there are levels for the harmony voices - this is a global level that you can lower without having to edit each individual preset. Hopefully that's helpful, cheers!
I can't speak to the stock issues, as I'm not a part of that world - I spend my time at the R&D office. However I can tell you that the VoiceLive Play is not discontinued, it's still in production, so I believe it's just a matter of playing the waiting game until more units make their way from the factory to retail outlets. Troy, like myself, would not have access to distribution and shipping numbers, so rather than outright turn you away it sounds like he offered the only alternative he could. Apologies you're having a hard time finding this pedal, and thanks for being interested enough to hunt one down. Please just hang tight and eventually stock will replenish, I regrettably just can't speculate on when.
Unfortunately no, the delay times are hard-set in Harmony-G XT.
From the manual:
"Echo 1. 300 ms delay w/feedback 2. 400 ms delay into Bright Chamber reverb 3. 350 ms right, 515 ms left w/feedback"
You can use the "Mix" menu to adjust the global level of your guitar signal, however this does not to normalize the output of all presets. Using different presets with different guitar paths will almost always result in different output levels from the guitar chain, which requires the user to manually adjust the output of the amp and drive blocks to pair well with the output levels of other presets (something we do when creating factory and cloud presets). Using the compressor will help you achieve uniformity, but this will need to be done in each preset you're using and ultimately is a manual adjustment in itself. Basically, no there is no automatic way of normalizing the guitar output of all presets, it's up to the user to adjust the output levels for each preset they create.
Yes and yes - I would recommend using a DI box to plug the mic'd acoustic into the Harmony Singer pedal. FYI the pedal needs to hear at least the root and third of the chords being played to determine major VS minor. Good luck!