Dell 2408WFP Monitor - Manual (Page 29)

Vertical Extension
Stand extends vertically up to 100mm via the Lock down/release button.
Rotating the Monitor
Before you rotate the monitor, your monitor should be fully vertically extended ( Vertical Extension ) and fully tilted ( Tilt ) up to avoid hitting the bottom edge of
the monitor.
NOTE: If you monitor gets locked down:
1. Push the monitor down.
2. Press the Lock down/release button on the bottom rear of stand to unlock the monitor.
3. Lift the monitor up and extend the stand to the desired height.
NOTICE: Before relocating or moving the monitor to a different location, make sure that the stand is locked down. To lock it down, lower the height of
the panel until it clicks and is locked into place.