How do I magnify an audio waveform vertically and display its dB level?

How do I magnify an audio waveform vertically, either in the sample editor or in the arrange window? I'm not referring here to the track's magnification though.
Also, how do I display the WAV's amplitude in dB? Only samples or percentage seem to be possible.

i've wanted to know the same thing, I've not found ANTYHING in the manual. I don't think you can, Of course, as you said, you can view samples and percentage in the sample editor. There doesn't seem to be any view in the arrange window to set, which would be real nice to have. I think it's just not there.

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