[GreenKeys] model 14 keyboard

[Gerry Block]

i am having a devil of a time getting this message to send. i had to strip the header.  

> eric
> 
> what does your loop schematic look like?  sketch it out and enclose photo. 
> what is the loop power supply voltage. 
> what is the series resistance to make the 60ma. 
> are you sure it is running at 60 ma?
> where is the scope probe connected and where is it grounded and where is the loop supply grounded?
> i doubt it is the contacts.  
> 
> gerry

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