Dell P2723D 27" 1440p Monitor - Manual (Page 59)

Operating your monitor │ 59
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 detached when the monitor is shipped from the
factory.
Vertical Extension
NOTE: The stand can be extended vertically up to 150 mm.
150 mm