Roku Device Features, Settings & Updates

Help configuring Roku device settings, using Roku OS features such as screen mirroring, adjusting display type and audio settings, using Guest Mode, and assistance with software updates.
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Level 7

Horizontal Picture Squished on older TV

I have an older Insignia tv and a Roku Ultra 2019. If I select "Normal" from the TV's zoom options, the Roku video input is displayed in 4:3 aspect ratio and it is squished horizontally.  If I select "Wide" from the TV's zoom options, the Roku video output is displayed as 16:9 but is also zoomed-in so that a portion of each edge is cut off.

My Xbox One, an old Blu-ray player, and broadcast tv channels do not have this problem. I can set the TV's zoom option to "Normal" and they are all displayed in 16:9. 

It seems as if the Roku is not passing something along with it's signal to force 16:9. I have looked to find hidden settings but cannot find anything. I would appreciate any help to get the best picture out of the Roku I can. I got it so I didn't have to rely on the Xbox One for streaming