First off let me say THANK YOU to all that have joined the lab and helped us get there we are today. Content is based of viewer questions and comments. And will continue to be. In this case this upgrade is so we can do some testing as requested by viewers specifically on 10Mhz references. So as always more is on the way. Ways to support the channel: Patreon - https://www.patreon.com/Zenwizard_Studios Paypal - Zenwizard@Zenwizardstudios.com In this video we take a second pass at the 2500 EN this time we need to calibrate and Align the unit that was found to be out of specification in the last video. So after getting some resisters to use as loads in the lab and leveraging some Ohms law to help up bring the EN2500 up to specification. ** Repair exposes the Tech to mains electric and should only be done by trained personnel. Errors can be fatal. **