Canon EOS-5D Instruction Manual page 59

Changing the Picture Style setting inadvertently
If a User Defined Picture Style is already registered with your own Picture
Style, following the procedure on page 58 up to step 3 for that User Defined
Picture Style will revert it back to the default setting.
If you do not want to change the User Defined Picture Style, do not repeat
this procedure.
3 Registering the Picture StyleN
Set the parameters.
4
Turn the <5> dial to select a
parameter like [Sharpness], then
press <0>.
Turn the <5> dial to set the desired
setting, then press <0>.
For details, see "Customizing the
Picture Style" on pages 55-57.
Press the <M> button to register
the new Picture Style. The Picture
Style selection screen will then
reappear.
The base Picture Style will be
displayed on the right of [User
Defined 1/2/3].
When the parameter like
[Sharpness] is changed from the
default, the name of the base Picture
Style will be displayed in blue.
59