[TenTec] Omni-V QSK and key clicks

[G3JAG]

Oooops. Looks like I omitted a paragraph from my previous posting.

The audio gain control in my Omni-V goes from zero to deafening in about one 
quarter to one third of its track. Almost like it was the wrong value ... 
much too high.  And it has been like that ever since new ....so I assumed it 
was normal.
Two questions :
1. is this typical audio gain control behaviour on an Omni-V ??
2. or do I have a possible explanation for my original question about the loud 
QSK key clicks I get in the phones/speaker ??

Extract from original posting.......................
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I get objectionable key clicks in my external speaker, or in the headphones (a 
Telex headset) especially when I opt for full QSK. There seems to be almost 
zero muting of the speaker/phones until after the rig keys up.  I accepted 
this as being normal, until I found that the K2 has no such characteristic 
and now it is driving me nuts  ... I seem to vaguely remember someone 
mentioning this years ago and giving a fix. Can anyone point me to the info ?   
Or do I need better earplugs ?
Thanks  John G3JAG