you do not need to tune into a specific channel, you would need to change the input of your tv to the one that your DVD player is connected to. typically its like AV1 or AV2 or HDMI 2 or something similar, you would have to look at the back of the tv to see what port the DVD is connected to. Then you would need to tune into the input from your tv with the input button, its usually found on the front or side of the tv.
hope this helps
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