Sony PCG-R505JLP - Manual (Page 41)

Connecting the Docking Station
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1 Plug one end of the AC adapter cable into the DC In port of the docking
station and the other end into an AC outlet. The LED of the DC In port
switches on.
2 Holding the notebook with the front side facing you, insert the two holes on
the front of the notebook into the two corresponding latches protruding from
the front side of the docking station.
3 Firmly press down the two rear corners of the notebook until it clicks into
place and is securely fastened to the docking station.
Latching the Notebook to the Docking Station
Be careful not to press the top of the notebook too strongly. The LCD display
may be damaged.
Docking Station
Latches Protruding
from Docking Station