Ricoh Lens A16 - Manual (Page 37)

[Delete My Settings]
The settings registered to [My Settings Box] in [Reg. My Settings], to [Card],
and to [MY1], [MY2], and [MY3] on the Mode dial return to their defaults.
[Restore Defaults]
The key custom settings will be reset.
Note --------------------------------------------------------------------------------------
Settings set in [Reg. My Settings] will not be reset.