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In Reply to: RE: Ping: DAK posted by Eli Duttman on June 24, 2017 at 17:43:19
Now that you say that, I do seem to remember seeing "sequentially shorting" many years ago, applied to rotary switches. Somewhere along the way, I must have erroneously associated "shorting" with that function. Do you know if there's a term for a switch that shorts all the contacts to common except the one at the selected position? Heathkit used wafers of that type in older selector switches to short unused inputs to ground. It's very effective at eliminating bleed-through.
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Follow Ups:
I don't know what that's called but yeah, used to be used on selector switches to do things like ground all the inputs except the one you want. Cuts down on cross-talk I suppose. Some of those early selector switches were an engineering marvel, but also a service call just waiting to happen. Maybe one of the most useful tools of old TV Repairmen was a can of "Tuner Cleaner"!
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