Lenovo ThinkVision LT3053p 30in LCD Monitor - Manual (Page 9)

Chapter 1.
1-5
Height Adjustment
For height adjustment, user needs to first press down the monitor with substantial amount of
pressure, then press the round release button before lifting the monitor to the desired height.
(refer to the second image as below)
Monitor Pivot
- Adjust the monitor height before rotating the monitor screen. (Make sure that the monitor
screen ascent to its highest point, and it inclines backward at 30°)
- then rotate clockwise until the monitor stops at 90°.
PP