[kosciusko51]

And none of the knobs are labeled...

[AFreeBird]

Noticed that, did ya?

[Nik Naym]

“And none of the knobs are labeled..”

Exactly. And just as you figure out what a particular knob does, its function somehow changes to something completely unrelated to its prior function.

[HP8753]

And none of the knobs are labeled...

And by the time you figure out the panel isn't even plugged in to power.....It's too late. ;-)