Nikon D100 Manual page 178

The Setup Menu
Adding the Comment to Photographs: Attach Comment
Once you have entered a comment as described above, you can choose
whether or not to add the comment to subsequent photographs. To add the
comment to subsequent photographs, highlight Attach Comment in the
image comment menu and press the multi selector to the right to enter a
check in the box next to this item, then highlight Done and press the multi
selector to the right to return to the setup menu. All photographs taken
while the Attach Comment check box is checked will contain last comment
entered.
To prevent the comment from being added to photographs, return to the
image comment menu and remove the check from the Attach Comment
check box by highlighting Attach Comment and pressing the multi selector
to the right, then highlight Done and press the multi selector to the right to
return to the setup menu.
Viewing Comments
The first twelve letters of the comment are visible in the fourth page of the photo
information display ( 115).
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