Nikon D5100 - Manual (Page 184)

166
L
Choose the role played by the AE-L/AF-L button.
Select Yes to reverse the rotation of the command dial.
Selecting Enable release allows the shutter to be released when no memory card is
inserted, although no pictures will be recorded (they will however be displayed in the
monitor in demo mode). If Release locked is selected, the shutter-release button is
only enabled when a memory card is inserted in the camera.
At the default setting of ( V), the exposure indicators in the
viewfinder and information display are displayed with positive values on the left and
negative values on the right. Select
( W) to display negative
values on the left and positive values on the right.
f2: Assign AE-L/AF-L Button
G button
➜ A Custom Settings menu
Option Description
B
AE/AF
lock Focus and exposure lock while the AE-L/AF-L button is
pressed.
C
AE lock
only
Exposure locks while the AE-L/AF-L button is pressed.
F
AF lock
only
Focus locks while the AE-L/AF-L button is pressed.
E
AE lock
(Hold)
Exposure locks when the AE-L/AF-L button is pressed, and
remains locked until the button is pressed a second time
or the exposure meters turn off.
A AF-ON
The AE-L/AF-L button initiates autofocus. The shutter-
release button can not be used to focus.
f3: Reverse Dial Rotation G button
➜ A Custom Settings menu
f4: Slot Empty Release Lock G button
➜ A Custom Settings menu
f5: Reverse Indicators G button
➜ A Custom Settings menu
AE-L/AF-L button