Nikon D300 Complete Manual page 241

4. Use the Direction pad to navigate to the quality you
want to use.
5. Press the > key on the Direction pad to set the quality.
If you've set NEF (Raw) (no JPEG file added), you're
done with this part of the change (see next section).
6. Use the Direction pad to navigate to the Image size
option. Press the > key on the Direction pad to see the
sub-options.
7. Use the Direction pad to navigate to the size you want
to use.
8. Press the > key on the Direction pad to select it.
Thom Hogan's Complete Guide to the Nikon D300
V1.02
Page 241