Question Why does my tcl roku tv have options for a spund and volume mode but its not selectable?

Jan 10, 2021
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My mom has options for a volume mode and a so I.d mode in the menu if I got the star button but it's not selectable. Any idea why? My roku box does and I know what it is and how it works but I can't figure how to get hers to work on her tcl tv.