On Jul 13, 5:34 pm, "Antonio Vernucci" wrote:
I am in the process of adjusting a restored BC-312. Reading the book, I could
not determine whether the oscillator must oscillate at +470 kHz or - 470kHz with
respect to the receive frequency.

The oscillator adjustment range is wide enough that I can set it at either
positions, so I need to know which of the two is correct (so as to have the dial
scale showing the real receive frequency as close as possible).

Also, I would need to know whether it works the same on all bands.

Thanks in advance for your help.

73

Tony I0JX

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The local oscillator operates on the high side of the signal frequency
on all bands. --Ed