Check the edition being played
Look for an interpreter in the original programme picture before changing the television control. Samsung’s guidance says the feature applies when the programme provides sign language. A separate signed edition may have a different programme page or viewing route from the standard edition.
For an illustrative news programme, opening an ordinary bulletin and enabling zoom does not establish that signing is available. Find the broadcaster’s signed version if one is provided, then confirm that the interpreter is visible. Keep the exact edition with the title in your watchlist or support notes.
Position the enlargement deliberately
Samsung’s Australian help describes turning Sign Language Zoom on and using Edit Sign Language Zoom to change the signing area’s position and magnification. Its accessibility overview also describes enlarging a detected or specified region. Use the controls actually offered by the supported TV model.
Check that the enlarged area retains the interpreter’s face and hands throughout the shot. If the programme changes layout, inspect the region again rather than assuming the previous position fits every segment. A zoomed crop and the programme’s full picture serve different purposes.