Hi Art,
I use an Orion II and a Delta II with a Centurion. I'd recommend that
mod, which can be done within less than 5 minutes.
Happy holidays!
73
Joe, DL4CF
atrampler@att.net wrote:
> I purchased a Centurion that was being used with an Orion. The previous
> owner had made the mod recommended by Ten-Tec:
>
> "Note for older 422 Centurion amp owners: Using an older Centurion with the
> newest Ten-Tec HF transceivers - Pegasus, Jupiter, and Orion - may require a
> small modification to the QSK board in older Centurion amps for proper QSK CW
> keying. Short diode D2 (red diode, 1N4148, next to Q1) with a jumper wire.
> The current 422B does not require this modification."
>
> I have an Omni VI. Should I undo that modification, or is it benign? Could
> it be the cause of the buzzing I detect at the relay?
>
> Any thoughts are appreciated.
>
> Art, KØRO
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>
>
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