I have begun to play with AM on the O2 and it appears the microphone settings
are significantly different than with SSB. I am running a Heil Goldline
through an NCS multiswitcher. With the current gain setting on the NCS box I
have the red led on the O2 flickering with the O2 software mic setting at 18.
Today I checked in with an AM group on 3875khz and was informed that my audio
was light. Sure enough, there was no flicker on the led. I turned the mic
gain almost up to 100 - I could see increased gid current on my amplifier, but
never a sign of the led lighting. The group informed me the audio level had
increased, but that it was still a little on the light side.
Does the LED work on AM? Should the mic gain be radically different between
SSB and AM? I didn't see anything specific in the manual.
Thanks for any input on the proper way to set the mic gain on AM.
Keith
AC9S
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