Nikon D300 User Manual page 209

The following shooting-menu options will also be reset. Only
settings in the bank currently selected using the [Shooting menu
bank] option will be reset (pg. 255). Settings in the remaining
banks are unaffected.
Option Default Option Default
*
Image quality JPEG Normal White balance Auto
Image size Large ISO sensitivity 200
* Fine-tuning off.
If the current Picture Control has been modified, existing settings
for the Picture Control will also be restored.
t
A
See Also
See page 400 for a list of default settings.
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