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Low-cost Battery-powered portable widescreen DTV

Step 2Pre-testing:

Pre-testing:
(If you don't need to construct the battery pack because you can get a holder for *exactly* the right voltage for your tuner, this is your only step.)

If your portable DVD player (or other portable video device) has a switch for video In/Out, be sure to switch it to the "In" position. Plug the single RCA-to-2.5mm cable between the yellow "Composite" jack on the tuner and the Video In jack on your video player. Do the same with the Red & White audio cable and the audio jack on your Player.

(I tried this with a different portable DVD player that input both audio & video through the same port. Despite this, every 3RCA-to-2.5mm cable I tried failed to produce video. I solved this by using the *2RCA* stereo audio cable for both video and sound, plugging the Red plug into the yellow video port on the tuner and connecting the white plug as normal. You won't get stereo, but at least you'll get both picture and sound.)

Connect your Rabbit-ears antenna to the tuner. You may need a 300ohm ("horseshoe contacts") connector to 75ohm (cable) adapter to connect the rabbit ears to the "video-in" on your receiver. These are common and found most everywhere. If you're like me, you probably have two or three just laying around the house. They're tiny boxes with a round male cable jack above two screw wire contacts). You can collapse the antenna rods since DTV only uses the UHF loop.

Plug in your DVD player and DTV tuner using the supplied power cords (we just want to make sure everything works first). Turn on the tuner and the DVD player. If all is well, you should see *something* on your player, either TV or the tuner's menu. If this is the first time you've used your receiver, you may need to scan for channels before you can watch TV. Make sure you are getting both picture and sound before proceeding.

Digital TV on your DVD Player. Cool.
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