Samsung LS19VDPXHQ-XAA - Manual (Page 14)

Using the Stand
Pivot Stand
(When pivoting the monitor, rotation angle is displayed on screen of the monitor.)
0° 90° 180°
When pivoting the monitor, the corner of the monitor may reach to the floor. Tilt the monitor
backward more than 45 degrees and then pivot it. Failure to do so may damage the monitor.