Nikon SB-5000 Reference Manual page 51

Available menu functions and settings
(Bold: default)
Custom menu
Settings for photography
Flash mode deselection (0B-22, C-1)
Uncheck flash modes not necessary for single flash-unit
photography.
The mode in use cannot be deselected. i-TTL mode
cannot be deselected.
i-TTL mode
Auto aperture flash mode
Distance-priority manual flash mode
Manual flash mode
Repeating flash mode
Press the rotary multi selector 2 to uncheck and check the check
boxes
Non-TTL auto flash mode option (0C-8, C-11)
Auto aperture flash with monitor pre-flashes
Auto aperture flash without monitor pre-flashes
FX/DX format selection
Enables selection of image area settings when the zoom
head position is manually set
FX
image area
FX: Nikon FX format (36 × 24)
DX: Nikon DX format (24 × 16)
.
DX: Automatically set according to the camera's
B
B-26