Nikon D4s Network Manual page 57

Remote Camera Check
Select On to check whether the remote
cameras are ready. The LED on the WT-5 will
flash yellow to warn if the number of cameras
returning "ready" is less than that selected for
Number of remote cameras.
LED
Number of Remote Cameras
Enter the number (1–10) of remote cameras
in the group. This option is available only if
On is selected for Remote camera check.
❚❚ Remote Cameras
Configure the remote cameras as follows:
Group Name
Enter a group name of up to 16 characters (011). The master and
remote cameras must all be in the same group.
Master/Remote
Select Remote camera to designate the current camera as a
remote camera. The shutters on the remote cameras will be
released when the shutter-release button on the camera selected
as the Master camera is pressed.
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