I have a model # CM19102 curtis mathes tv. I'm trying to connect a Nintendo 64 to it to play video games. The Nintendo uses AV1 channel but the TV won't let me select/add that channel. I tried the menu to add/delete channels but AV1 is not an option. As soon as I try to add another channel, like Ch#1, the TV goes to the first programmed channel, channel #3. I am not on cable, only TV local channels. Does anyone have a trick I could use to connect my Nintendo?
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