Samsung SyncMaster 2023 NW User Manual page 10

Do not install the product in a location low enough for children to reach.
Do not put any heavy objects on the product.
Good Postures When Using the Monitor
Otherwise, it may fall and result in personal injury.
Since the front part of the product is heavy, install the product on a level and
stable surface.
This may result in personal injury and/or damage to the product.
When using the product, use it in the correct position.
Keep your back straight while looking at the product.
The distance between your eyes and the screen should be between
45 to 50 cm. Look at the screen from a slightly higher location than
the height of the screen.
When using the product, use it in the correct position.
Adjust the angle so that light is not reflected on the screen.
Place your arms perpendicular to your sides and allow your arms to
be level with the back of the hand.
Keep your elbow at 90 degrees.
Keep your knees at greater than 90 degrees, and keep your heels
firmly on the floor. Keep your arms lower than your heart.