Why so hard to convert to 240V? These should draw very little current; you should be able to power all 4 from a travel-size step-up transformer. Since you have them all in a rack-mount bay already, that solution seems exquisitely simple, at least to me.
Running something on an external mains step-down transformer, is NOT 'converting it to local mains voltage.'
The EL-301 was easy to convert as it has a transformer with taps for 120/240.
The EL-300 doesn't actually have a 'power supply' as such. It takes DC power for its circuitry from the source it loads, or via a ribbon cable from an EL-301.
But it has a mains powered fan. That's the only thing which runs from the IEC mains input. The fan is 120V. So to 'convert' it (all three of them) I have to find three suitable-size 240V fans. Yes I could buy them. Just have been too slack.
Re PDF. It amazes me how people become habituated to wading in shit, and will argue that wading in shit is just fine and nothing could be better. Right now I don't feel like explaining why shit is shit-like.
Have a look at the schematics in those non-PDF manuals if you don't believe me about 'mains only to the fan.'
Notice that you _can_ look at them easily, because they are separate, non-obfuscated plain PNG image files.
And I don't feel like explaining why your condescending, aggro tone made you sound like an utterly boorish, self-important ass right there. But I just did.
![Wink ;)](https://www.eevblog.com/forum/Smileys/default/wink.gif)
No thanks on hunting down that schematic; I don't feel like sorting through every single .png manually to find the one you're talking about, and that part of the discussion has already gotten away with enough free rent in my head.
[EDIT] However, I will take the time to turn the .pngs from your Hitachi V202 manual into a searchable .pdf so they can actually be a useful document; which I will keep in the same folder along with the originals as reference. Just in case.
[/EDIT] You're equating the file-creation software with the format. Adobe sucks. Acrobat sucks like a black hole. They are not the same thing as the format itself.
The format is perfectly usable, has a number of valuable features and text OCR/searchability is part of the sauce. There are a number of 3rd-party readers and compilers that DO NOT SUCK, and you don't have to play by Adobe's rules if you don't want to.
Hell, even Adobe doesn't want to play anymore; they've been trying to abandon or pawn off management of the format to some other party for over a decade. Shocking that nothing they do with the format isn't a suckfest, when they don't want the damn responsibility anymore.
![Face Palm :palm:](https://www.eevblog.com/forum/Smileys/default/facepalm.gif)
You can fiddle-fart around with your .pngs scattered loose in a folder like old Polaroids in the bottom of a drawer. I'll keep using dynamic formats like .pdf and .rtf, thank you.
mnem
Everything is relative. Even suckage.