Nikon D4s Network Manual page 7

Illustrations
The appearance and content of the software and operating system
dialogs, messages, and displays shown in this manual may vary with the
operating system used. For information on basic computer operations,
see the documentation provided with the computer or operating system.
A
WT-4 Wireless Transmitters and UT-1 Communication Units
For information on using optional WT-4 wireless transmitters or UT-1
communications units, see the documentation for the devices in
question. The options described in the product manual as being in the
device info and device settings menus can be accessed from Network >
Device info and settings in the D4S setup menu.
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