This is the front panel of models 3 3 7 7 / / 4 4 2 2 L L C C 2 2 R R *, 3 3 7 7 / / 4 4 2 2 L L C C 2 2 5 5 R R *, 3 3 7 7 / / 4 4 2 2 L L C C 3 3 R R * TVs.
This is a simplified representation of a front panel. Here shown may be somewhat different from your TV.
If your product has a protection film attached, remove the film and then wipe the product with a polishing cloth.