Nikon D100 - Manual (Page 166)

Custom Settings
Menu Guide—Custom Settings
154
Custom Setting 13: Command Dial
By default, the main command dial controls shut-
ter speed (shutter-priority auto and manual expo-
sure modes), the sub-command dial aperture (ap-
erture-priority auto and manual exposure modes).
These functions can be reversed using Custom
Setting 13. The setting selected also applies to
the optional MB-D100 multi-function battery pack.
OK
Assign Command
Dial F13
CSM MENU
Main=S, Sub=A
Main=A, Sub=S OFF
ON
Option Description
Main=S, Sub=A
(default)
Main command dial controls shutter speed, sub-command dial
aperture.
Main=A, Sub=S
Main command dial controls aperture, sub-command dial shutter
speed.
Custom Setting 14: AE-L/AF-L
This option controls the behavior of the AE-L/AF-L
button.
OK
Assignment of
AE-L/AF-L Button
AE Lock Only
AE/AF Lock
AF Lock Only
AE Lock Hold
AF-ON
F14
CSM MENU
AF-ON
The camera focuses when the AE-L/AF-L button is pressed.
While this setting is in effect, the camera will not focus when
the shutter-release button is pressed halfway.
Option Description
AE/AF Lock
(default)
Both focus and exposure are locked while the AE-L/AF-L but-
ton is pressed.
AE Lock only
Exposure is locked while the AE-L/AF-L button is pressed. Fo-
cus is unaffected.
AF Lock only
Focus is locked while the AE-L/AF-L button is pressed. Expo-
sure is unaffected.
AE Lock hold
Pressing the AE-L/AF-L button locks exposure. Exposure re-
mains locked until the button is pressed again.