Anyone who grew up in the CRT era of TVs remembers that you had to turn the channel to 3 before you turned on the VCR or game console. Otherwise, the picture would not work. Why was this so necessary?
Edit: woah this blew up while I wasn’t looking! Thanks for the replies!
In: Technology
The accessory had a built inn TV transmitter. It would not output a high power signal so you could not use it to transmitt the signal over the air very far. But if you connected it to the antenna cable in your house it would be picked up by the TV. You would often be able to select what channel to transmitt on which would have to match the channel on your TV. But some channels such as channel 3 and 7 were common ones. This would be so that you did not accidentally transmitt on the same channel as your local TV station as then you would not be able to watch this TV station.
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