[UK-CONTEST] Icom Pro III + N1MM

[Clive Whelan]

Hi Roger

First the good news, the combo works perfectly, and I use a pair of 
PROIIIs with N1MM. I think we need a bit more info. What is the keying 
method, serial port, parallel port, Winkey or ?.......  What 
computer/OS? Parallel port keying is problematic under XP or anything > 
W98. Winkey is highly recommended  , but serial port  will work  with a 
simple 2N2222  interface. Simple check: make sure the  interface  is 
shorting to grnd on xmit  with e.g. a multi meter. Oh forget about about 
the DIN plug just use the standard 6mm jack socket.

73


Clive
GW3NJW

Roger Cooke wrote:
> Hi.
>
>   A local station has the above combination together with a home-brew interface, a basic one and has a 
> problem keying the transceiver. N1MM puts the transceiver into transmit and seems to send CW, but 
> there is no power being radiated and no side-tone. He is keying it via the DIN plug on the back apron of
> the transceiver. When keying the CW jack direct, as I suggested, the same thing happened. We have 
> been through all the combinations in N1MM Config with no improvement, so it looks like a transceiver
> problem. I don't have one and have not seen this before. Can anybody shed light into Norfolk please?
>
>  
> Regards from Roger, G3LDI
> Swardeston, Norfolk.
>
>
>       
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