[Trlog] paddle interface not working

[Tree]

On Tue, Nov 14, 2006 at 01:23:06PM -0800, Gary Slagel wrote:
> Wondered if anyone could give me advice on this.  
> 
> My paddle interface is sending nothing but di dah di
> dah di dah or dit dit dit dit.  I saw in the
> troubleshooting section of the manual that this
> usually means my older computer needs to have the dit
> and day inputs tied to pin 14 through a resistor. 
> 
> I'm using an old toshiba computer with windows 98 that
> I boot to dos.  I purchased the model 3 cw interface
> from trlog that has the paddle interface built in and
> I looked at it and it has the resistor across the
> pins.  This has worked for me for several previous
> contests.    I have had problems with the paddle
> interface before but have been able to get it going
> just by fooling with the interface a little.. pulling
> and plugging cables, etc, and all the sudden it would
> start up!  

You might need an external pull-up to +5V (like a 1K ohm 
resistor).  You can made one out of a 9 volt battery and 
a resistor divider.

Tree