Posted by PaulMC (M) on February 13, 2008 at 07:09:23

In Reply to: RE: Calling Paul posted by Leslie Loh on February 13, 2008 at 06:42:05

I am surprised Atven doesn't know how to do this, probably our fault for not communicating with him as well as we should. The reason it is not in the manual is the voltage adjustment was never designed to be something the user did. The old Power Plants had the ability to adjust the voltage from the front panel, the PPP does not.

The PPP output voltage can be set, and here is how to do it. Put the front panel metering system to read the output voltage. Then look underneath the PPP, close to the front panel. You will see either a screwdriver adjustment trimpot (inside a hole) or a small finger turn adjustment (depending on which vintage unit you have). Turn this control until the front panel meter shows 240.

If you have a problem, contact us via email directly.

• RE: Calling Paul - Leslie Loh 07:38:56 02/13/08 (4)
  In Reply to: RE: Calling Paul posted by PaulMC on February 13, 2008 at 07:09:23

  hi paul,
  
  oh, please don't blame atven, he is a super nice guy. it is just that i find it confusing.
  
  perhaps, you misunderstood me. i mean, the new model ppp. there is no trimpot whatsoever.
  
  atven's manager told me to press both the mode (up) and mode (down), then press the power up button, followed by display button. the output voltage will show up, and then i would use the mode (up) or mode (down) to adjust till 240v.
  
  but when i powered up again, it drops to 233v. i also notice there is a "CUT 12V" reading on the display. btw, the input voltage is 245v.
  
  what's happening?
  
  thanks.
  
  

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  • RE: Calling Paul - PaulMC 07:51:08 02/13/08 (3)
    In Reply to: RE: Calling Paul posted by Leslie Loh on February 13, 2008 at 07:38:56

    I don't mean to blame Atven at all - I was just responding to your comment about him. Atven's the nicest man on the planet actually.
    
    There is a trimpot, trust me. The method that the tech is describing is not correct. What he is telling you to do will only mess up the calibration of the PPP metering system. What his is telling you to do is a method we use to calibrate the unit and does not affect the operation at all.
    
    Turn the PPP upside down. Look at the bottom, near the front panel. Look carefully, you will see the trimpot. It is inside a hole
    
    

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    • RE: Calling Paul - Leslie Loh 08:03:18 02/13/08 (2)
      In Reply to: RE: Calling Paul posted by PaulMC on February 13, 2008 at 07:51:08

      got it! piece of cake ;-)
      
      but i have played with the "calibration" using the method that the tech manager told me, any issue with that?
      
      thanks for your super prompt reply, paul!
      
      

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      • RE: Calling Paul - PaulMC 09:25:27 02/13/08 (0)
        In Reply to: RE: Calling Paul posted by Leslie Loh on February 13, 2008 at 08:03:18

        Well, I don't know how much you changed the calibration. It is only the meter we're talking about so from a performance standpoint, no worries. Someday, you may want to check the meter accuracy against a voltmeter to see how close it is.
        
        

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      • RE: Calling Paul - Leslie Loh 08:48:33 02/13/08 (0)
        In Reply to: RE: Calling Paul posted by Leslie Loh on February 13, 2008 at 08:03:18

        hi paul,
        
        the difference between setting the output voltage from 230v to 240v is drastic! with 230v, music is lethargic; with 240v, music comes alive! i believe ppp is catered to countries where voltage is 230v?
        
        i am going to tell atven tomorrow; i need him to buy me lunch for discovering that ;-)
        
        thanks to you too, paul.
        
        

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