On Mar 7, 2009, at 10:04 AM, Gary Wilburn wrote:
> Hollow modulation - I have been unable to hear the difference  
> between the
> various D-star rigs on our local repeater. You can adjust mic  
> sensitivity
> from low to high in the set-up menu. Some 800H owners have removed  
> the spit
> cover on the mic element to improve clarity. I did it and no one  
> could tell
> the difference.
>

I forgot about the Low/High mic gain setting.

I couldn't get the rig to put out proper FM deviation levels on the  
test bench with "Low" mic gain set, no matter what I tried.  I set it  
to "High" and left it there and forgot about it.

Great point Gary.

Nate WY0X

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