[TMC] TMC GPR 90 RXD signal overload

[WA5CAB at cs.com]

No.

In a message dated 7/16/2008 9:47:22 PM Central Daylight Time, 
k1lky at earthlink.net writes: 
> >The schematic shows R-106, 500 ohm, as the screwdriver adjust IF  
> >gain pot.  ... the manual says to set certain controls, adjust the  
> >signal generator to 50 microvolts output, and "using R-106 and R-50  
> >(the S-Meter  pot) set the S-Meter to S-9".
> 
> Is R-50 the S-meter zero set?  (My GPR-90 manual says no, it's used to  
> set S-9 at 50 uV rf input.)    Normally this is done at some  
> particular frequency - 7 mc for the GPR-90.
> 
> The RF gain control must be full up and AVC/MAN switch in the AVC  
> position.  (And I assume BFO off.)
> 

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