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Astatic 600 Calibration

JDemoret

Member
Mar 5, 2009
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Does anyone have any experience calibrating these meters. There are 5 pots inside 4 on the left as you're looking at the front labeled RP4, RP5, RP6, and RP7 from top to bottom and there is one on the right labeled RP1. I can't seem to find the one that affects the SWR meter. Any help would be appreciated.

Thanks
John
 

What function does RP1, 4, 5, 6, 7 have? 4, 5, 6, 7 I'm almost sure they are the 4 power scales, but I don't know what RP1 will be and what scale each RP4 corresponds to 7
 

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