Which do you have the most experience with? ... CRO, Signal gen etc.

[Polymer]

I know which one I have the most experience with, but have yet to master ...

[WM6]

I could go through with mixed noise generator only.

[Qiaozhi]

I know which one I have the most experience with, but have yet to master ...

[ATTACH]48612[/ATTACH]

You will never completely master the last piece of equipment, however much you try.

[ivconic]

Backward simpleminded people!
Two wet fingers is the ultimate method!
One put on ground and another one on signal path.
Than use your talent and imagination.