TBH - just go and watch @anon41087856’s videos on it + @s7habo’s recent videos with linear workflow.
Generally - as @gadolf said - it’s not “camera related” but “scene related”.
If I remember correctly - yup: gray to 18.45 % black & white to appropiate spacing, contrast to 1 and have fun.
you can check relevant section from here:
and this is interesting bit about setting for most “range” of adjustments: