Samsung NX2000 - Camera Controls and Operations

My Camera > Camera layout
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Setting the DIRECT LINK button
You can select a Wi-Fi function to launch when you press [DIRECT LINK].
(p. 150)
To set a DIRECT
LINK option,
In Shooting mode, touch → 5 → Key Mapping →
DIRECT LINK → an option.
Using the DIRECT LINK button
You can turn on the Wi-Fi feature conveniently by pressing [DIRECT LINK].
Press [DIRECT LINK] again to return to the previous mode.