Nikon D6 Reference Manual page 220

•
Press 1 or 3 to choose the height,
4 or 2 to choose the width. The
shape of the current AF-area group
is indicated by a number in the top
control panel. The shapes of the
different AF-area groups are shown below.
1–7
1–5
•
The changes are saved when you release the AF-mode
button.
168
Choosing How the Camera Focuses (Focus)
3–7 5–7
3–5 5–5
3–3 5–3
5–1
7–7
7–5
7–3 11–3
7–1 11–1
15–3
15–1