Nikon D40 Manuel D’Utilisation

Choose the function performed by the Fn button.

At settings other than Self-timer (the default option), the shooting information display will
show a   icon to the left of the setting that can be adjusted by pressing the Fn button and
rotating the command dial (“Classic” display only;   81).

Choose the function performed by the AE-L/AF-L button.

If Off (the default option) is selected, pressing the shutter-release
button halfway does not lock exposure.  If On is selected, expo-
sure will lock when the shutter-release button is pressed halfway.

(default)

Press the Fn button to select self-timer mode (  33).

Press the Fn button and rotate the command dial to select
shooting mode (  32).

Press the Fn button and rotate the command dial to select
image quality and size (  29).

Press the Fn button and rotate the command dial to select ISO
sensitivity (  37).

Press the Fn button and rotate the command dial to select
white balance (P, S, A, and M modes only;    49).

(default)

Both focus and exposure lock while the AE-L/AF-L button is pressed.

Exposure locks while the AE-L/AF-L button is pressed.  Focus is unaffected.

Focus locks while the AE-L/AF-L button is pressed.  Exposure is unaffected.

Exposure locks when the AE-L/AF-L button is pressed and remains locked until the button is
pressed again or the exposure meters turn off.

The  AE-L/AF-L button initiates autofocus.  The shutter-release button can not be used to
focus.