LG DualUp - questions about its picture by picture capabilites

[YamiYukiSenpai]

Are there input limitations when I do picture by picture?

My ProArts at work have limitations in Picture by/in Picture where if the main input is on:

• USB-C - I can't use DisplayPort (and vice versa), and only HDMI
• HDMI - I can't use the other HDMI port and only USB-C or DisplayPort

Same limitation applies to my MSI ultrawide at home.

 

I was looking at the manual, and I just want to confirm that there is no limitation with picture by picture with the DualUp?

 

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LG DualUp + macOS + Picture by Picture - will macOS recognize 16:9 resolution when the DualUp is split into 2?

Edit: Found my answer in this video: 

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With DualUp providing a perfect 16:9 resolution when Picture by Picture is enabled thanks to its 16:18 aspect ratio, will macOS provide 16x9 options for resolution if Picture by Picture is enabled?

 

It's my personal experience that Macs can be a pain in the rear with PbP on 16:9 monitors due to it not respecting or recognizing 8:9 (didn't have that problem on my Linux workstation I'm running simultaneously), and only provides 16:9 resolutions unless I do some workarounds and tweaking.