Energy Concepts Model 50200B schematic

[amdx]

Hi all,
I'm looking for calibration data for the Energy Concepts Model 50200B
and Model 20500. I mostly want to know what pot adjusts what. A complete
schematic would be nice.

Similar to these:

http://www.ebay.com/itm/Energy-Concepts-Digital-Solid-State-Power-Supply-Model-20500A-/110896837403?pt=LH_DefaultDomain_0&hash=item19d1f7731b

http://www.ebay.com/itm/ECI-Energy-Concepts-Inc-Model-50200-Digital-Multimeter-/271217912538?pt=LH_DefaultDomain_0&hash=item3f25d8eada

Thanks, Mikek