univox echo chamber tapes or footswitch.

["wade a metheny" <reno-bros@angelfire.com>]

I have recently purchased a univox echo chamber ec80 from ebay. It powers 
up and the motor runs fine, it has a tape with it, the only thing is, it 
won't echo. I don't know if I need a tape for it or if I need a footswitch 
to turn the echo on! Doe anybody know how these things work, and maybe 
where I could find another tape?  I would like to just build a footswitch 
for it, I know simple electronics , but how exactly is a footswitch made? 


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