Dell P2723DE 27" 1440p USB Type-C Hub Monitor - Manual (Page 80)

80 │ Operating the monitor
Using the tilt, swivel, and vertical extension
NOTE: The following instructions are applicable only for attaching
the stand that was shipped with your monitor. If you are attaching
a stand that you purchased from any other source, follow the set up
instructions that were included with the stand.
Tilt, swivel
With the stand attached to the monitor, you can tilt and swivel the monitor for the
most comfortable viewing angle.
NOTE: The stand is not installed at the factory when shipped.
Vertical Extension
NOTE: The stand extends vertically up to 150 mm. The figure below
illustrates how to extend the stand vertically.