Lumix LX5 Film Settings - leave at default ( 0 ) ?

[somegeek]

I'm delving into my camera settings more and curious if messing with these film settings is a good thing or not needed. Setting range is [ -2 -1 0 +1 +2 ]

Contrast
Sharpness
Saturation
NR

Should I be leaving these at zero or can these help me get a better image if adjusted?

Appreciate any input.

somegeek

[Photo-John]

Are you shooting RAW or JPEG?