[GreenKeys] Spark protection

[Jim Haynes]

Well you can put a spark protector across the bell.  say 470 ohms and 
0.1uF  Maybe they omitted it because the bell isn't supposed to ring
very often.

On Fri, 8 May 2015, Normand Marks wrote:

>
> My issue is the burnt contacts and cleaning of same.
> Thanks
> Norm
> WB7WEQ
>
> Norm - considering some of the environments that Teletype
> machines are in, I'd say that is a non-issue.
>
> UE,
> K2EAA - TONY
> NNNN
> ZCZC
>
>
> On 05/08/2015 09:43 AM, Normand Marks wrote:
> I understand that there is not any spark protection for the bell
> contacts in the stunt box of a M28 TTY, because on my M28 it seems to be
> more spark than it should.
>
> Any help on this subject would be appreciated.
>
> Thanks
> Norm
>
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