Dave,

According to the manual (pg 31, "Data Mode Selection"):

"If you prefer to use LSB or USB, you'll need to manually set CMP to 0 to prevent data signal distortion."

I believe if you use DATA mode instead of USB/LSB, compression is automatically disabled.

73
--
Joe KB8AP

On Dec 8, 2008, at 1:34 PM, David F. Reed wrote:

Ron,

as it turns out, I am using Line in to connect the sound card output, but I am still "seeing" compression on the meter.

What gives?

Thanks & 73 de Dave, W5SV

Ron Kenwood wrote:
Hi Dave:

The usual practice for sound card digital modes is to use line in instead of the rear panel mic. Using line in automatically turns off compression if I remember correctly which is what you want for digital modes. Again, if I remember correctly, using line in mutes the mic and avoids the need for a noise gate.

Ron W3ZV

David F. Reed wrote:
I am curious about this, but not sure...

I understand that the input gain on transmit is separately settable for front panel vs. rear audio in.

But, it would make sense to me if the compression and gating were also separately adjustable, front and rear.

Why? Because when I operate phone, I use the front MIC jack, and want some compression and gating; when I operate digital sound card modes, I would like to have no compression, and no gating.

Is there a way to do this and I am missing it, or am I hoping for an upgrade to the firmware?

73 de Dave, w5sv

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