[TenTec] Centurion 422 Bias Circuit

[k0bx at arrl.net]

I just received a 422 Centurion. My question is:
How do I determine if the newer Bias circuit is installed?? This
circuit cuts off the bias when the rig is in transmit but is in idle.

QSL review from 1994 S/N 10A10091 had the old bias circuit and they
indicated that the newer one had the modifiy circuit.
My S/N is 80A10042. But no date of purchase was indicated in the
manual. Any ideas? Any ideas on when the 80A10042 was built?

Still waiting for a few things before I turn it on.

Joe K0BX



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