I need to null the SWR detector on my KPA500. I've not found any
adjustment procedure as such. And from the schematic, there is none.
I do have a rather precise Bird 50.5 ohm dummy load. I see SWR values
higher than 1:1 on the LED display and also on the LCD display on higher
frequency bands. I've found that the PWR ADJ does affect not only the
indicated power but the FAULT values as well. I am suspect that the
SWR error likewise affects the Fault actions.
Any thoughts?
73
Bob, K4TAX
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