On Tue, 19 May 2020 13:56:09 -0700, ae1ct1998 wrote:

I have a drake tr4c and need to know how to set the bias. my manual
doesn't show how to set it, all I see is it needs to be between -40 to
-60 volts.

I used to have one but never did much with it, sadly. Maybe one if these
will help?

https://www.youtube.com/results?sear...rake+tr4c+bias

KI4GMX