you can use the fast scroll bar to jump around the video time,
it is almost as smart and useful as when you scroll in a web page to seek exactly the most important things fastest possible :-)
so no need to see it all :-) different parts of it is for different people :-)
and you are right, that heatsink is a bit too small for full load all day,
maybe i can add a little secret voltage tap switch on the back ??
both transformers got a lot of useful taps for this,
less voltage = much less heat, let's say I need low voltage but relative high current out,
I dont plan to make auto switch relays,
I found the meter types he used, must be this type :
Rohde & Schwarz Selektomat USWV BN15221 1960
right here :
https://youtu.be/qfgnnm4bHgQ