On Wed, 02 Mar 2016 22:28:47 +0100, Dimitrij Klingbeil wrote:

You must be meaning X10 setting. Common scope inputs as well as probes
are not designed to handle the typical peaks from power supplies at X1.

Fair point! But I use an externally selectable decade attenuator for
anything over 400V so X1 is good for me. But yes, in the absence of that,
X10 would be the way to go.