Asus T300LA - Manual (Page 17)

Notebook PC E-Manual 1
PC dock features
NOTE: The keyboard's layout may vary per region or country.
Top view
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Power indicator
This indicator lights up when the PC dock is turned on.
Power switch
Move this switch to the left to turn on the PC dock.
Caps lock indicator
This indicator lights up when the caps lock function is activated.
Enabling the caps lock function on your keyboard allows you to
automatically type letters in upper-case form (e.g. A, B, C).
PC dock release button
Press this button to safely detach the touch screen panel from
the PC dock.