Nikon D6 Reference Manual page 673

[IPTC]
Embed IPTC presets in photographs as they are taken.
Option
[Auto embed
during
shooting:]
[Select IPTC
preset:]
A
IPTC Information
Embedded IPTC information can be viewed by selecting the IPTC page in
the photo information display during full-frame playback.
Selecting [Auto embed during shooting:] displays a
list of IPTC presets. Highlight a preset and click or tap
the "save" button to embed the selected preset in all
subsequent photos. Select [Off] to take photos with no
IPTC presets.
Choosing [Select IPTC preset:] displays a list of IPTC
presets. Choose a preset to copy to the camera.
Description
621
HTTP Server