Since I'm a MacGyver fan, I will definitely watch the show's many episodes on this TV (I have all seven seasons on DVD and also plan to buy some more 80s and 90s TV shows which are also in 4:3 format), and also most of my DVDs and BRs are in 1.85:1 or 2.35:1 format (1.73:1 is necessary to fill the complete screen of my TV) which both leave black borders at the top and bottom of the screen.
Do not watch in 4:3 format for a long time. Traces of borders displayed on the left, right and centre of the screen may cause image retention (screen burn) which are not covered by the warranty.
And later again:
Avoid displaying still images (like jpeg picture files) or still image element (like TV programme logo, panorama or 4:3 image format, stock or news bar at screen bottom etc.) on the screen. Constant displaying of still picture can cause ghosting of LED screen, which will affect image quality. To reduce risk of this effect, please follow below recommendations:
• Avoid displaying the same TV channel for long periods.
• Always try do display any image on full screen, use TV set picture format menu for best possible match.
• Reduce brightness and contrast values to minimum required to achieve desired picture quality, exceeded values may speed up the burnout process.
• Frequently use all TV features designed to reduce image retention and screen burnout, refer to proper user manual section for details.
WARNINGS: Image retention, commonly known as screen burn-in, can occur on most types of television if the same image is displayed continuously. The most common causes of image retention are logos that remain stationary on the TV screen. These logos are common on many programmes received via a Set-top Box. To reduce this risk, avoid displaying still images for long durations and lower the brightness or contrast settings to decrease the intensity of the picture. Extended viewing of movies and programs in aspect ratios that are different from the aspect ratio of the TV may cause image retention. Always endeavour to avoid black borders top or bottom by using the zoom function. This will help eliminate the black borders and fit the picture to the entire area of the screen. Using a video game console may cause image retention and is not recommended. When using a PC input, avoid displaying still images for long durations and reduce the brightness or contrast settings to decrease the intensity of the picture.
IMPORTANT: Image retention issues are not covered by your Samsung® warranty.
So my question is, do I have to be afraid of the screen burn after watching two or three MacGyver episodes one after another, or after watching e.g. the extended cuts of the LotR trilogy? It seems even the TV programme logos are a problem ... I really thought we were long past screen burn problems with the new LCD screens and that only the old CRTs were afflicted by this problem. Or is this only the problem of these new LED screens? So how worried do you guys think I should be?