Tom Walker wrote in a message to Roy J. Tellason:

-> It looked a lot less impressive in person.

-> I don't see how it's going to decide that the voltages are good, 
-> etc. unless there's a lot more in that little box than they let on.  
-> Basically what it said on it was to disconnect all of the other 
-> loads (I guess meaning drives, etc.) and connect the tester,  apply 
-> mains power,  and push the button.  If the green light comes on it's 
-> "good". I dunno,  even though it wasn't all that expensive I don't 
-> think I'm inclined to get one.  

 TW>  IF you deal with amny Power Suplies you are foolish for passing o
 TW> nit. And simple solidstate Threashold switches to turn on LED's at
 TW> a predetermined voltage are easy and cheep to produce. 

If I knew that's what they were doing in there,  I might feel a little
differently about it.

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