Nikon D90 User Manual page 280

The following defaults are restored with Custom Setting A (Reset Custom Settings;
the following table lists the defaults for P, S, A, and M modes). For a list of the settings
restored with a two-button reset, see page 172.
a1: AF-area mode
a2: Center focus point
a3: Built-in AF-assist illuminator
a4: AF point illumination
a5: Focus point wrap-around
a6: AE-L/AF-L for MB-D80
a7: Live view autofocus
b1: EV steps for exposure cntrl.
b2: Easy exposure compensation
b3: Center-weighted area
b4: Fine tune optimal exposure
c1: Shutter-release button AE-L
c2: Auto meter-off delay
c3: Self-timer
Self-timer delay
Number of shots
c4: Monitor off delay
Playback
Menus
Shooting info display
Image review
c5: Remote on duration
d1: Beep
d2: Viewfinder grid display
d3: ISO display and adjustment
d4: Viewfinder warning display
d5: Screen tips
d6: CL mode shooting speed
d7: File number sequence
d8: Shooting info display
d9: LCD illumination
d10: Exposure delay mode
d11: Flash warning
d12: MB-D80 battery type
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Option Default
Auto-area
Normal zone
On
Auto
No wrap
AE/AF lock
Wide area
1/3 step
Off
φ 8 mm
No
Off
6 s
10 s
1
10 s
20 s
10 s
4 s
1 min
On
Off
Show frame count
On
On
3 fps
Off
Auto
Off
Off
On
LR6 (AA alkaline)