Samsung 275T - Manual (Page 24)

Stand Stopper
Swivel stand
Using ( ),You can swivel the monitor left and right at an angle of 90° to set the monitor
lengthwise. The rubber under the stand is to avoid the monitor slide.
When you try to rotate the monitor in the state of the power cord or cable connecting to
the monitor, the power cord of cable can be destroyed.
Tilt angle