[Elecraft] Routine Shutdown of KPA500: Use Front or Back Panel Switch?

[mcduffie at ag0n.net]

On Tue, 09 Jul 2013 17:06:31 -0700, Fred Jensen wrote:

> > I'm assuming that the back panel switch is for use when wanting to kill power to
> > the chassis altogether, e.g., when servicing it.

Yes, assuming you do all the other things.

Procedure:
	Turn off front panel switch
	Wait for fan spindown and maybe slightly longer
	Turn off back panel switch
	Unplug from wall, or pull cord from back of unit
Reverse order when you are done.

> The DC voltages in the KPA500 are in the 70V range, probably won't kill 
> you but it *will* get your attention, however the 120/240VAC is another 
> matter.  We want you around and on the air Paul, unplug it.

Don't forget there's 270 volts used in the PIN diode switching circuit.

Gary