LG 27UD59 Owner's Manual page 17

WARNING
Take care when rotating the monitor if the cable
y
is connected.
To avoid injury when rotating the display, do not
y
place your fingers between the display and the
stand base.
NOTE
The left or right side of the monitor head can be
y
slightly rotated up or down (up to 3°). Adjust the
horizontal level of the monitor head.
Monitor head
17