Samsung SyncMaster XL20 - Manual (Page 17)

The cradle allows the calibrater to stand at a similar angle to the monitor.
There are grooves in the circumference and at the bottom of the cradle, which you can
use to arrange the USB cable neatly. When not used, you can also place the USB port
here.
Changing the Stand and Installing the Hoods
Sliding Stand
Stand Stopper
Swivel stand