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Plug antenna cable directly into antenna input on tv. Place antenna where you believe you will get a signal (don't know where you live but you can look up site map for optimum direction). Go into tv menu set tv to air and auto scan air channels. Your set will receive and memorize available channels. In your sets menu you should have a strength meter. You can use this to tune in the strongest possible signal. You may have to go back and rescan the channels because if you improve the antennas position you might pick up more channels and they won't just come in automatically. Once you've scanned and received maximum number of channels there will be no need to rescan again. If you do you run the risk of losing some channels and only a rescan under optimum conditions with regards to antenna position and environmental conditions will gain those back. Keep in mind some fringe channels may come and go. Hope this helps.
Ok This is what I found out and hopefully found your solution..
Have you heard of Double Rescan?
The Federal Communication Comission Designed a Process called double rescan.
Double Rescanning erases and thenreprograms the channels in the converter box an digital TVs memory.
To Double Rescan, you will first need to disconnect the antenna from the converter box or antenna.
Then disconnect the converter and or digital tv power supplies from the wall. Wait a minute before plugging them back in. The antenna should still be disconnected.
With the antenna disconnected run the channel scan function on the coverter box or digital tv. When the scan completes you will have completely removed any channel data the converter box or digital tv, had in its memory.
Now it's time to rescan for real.
Do this by reconnecting the antenna to the converter box or digital tv and running the channel scan function again.
Thus the double rescan is born.
If the double rescan doesn't work, then try some tips and tricks to get your converter box up and running..I will have to look up the url again that has the tips and tricks...
If the double rescan doesn't work let me know and I will look up more options..
I really hope this works..
You need to go into on screen TV tuner/channel scanning setup page and change the signal source from CABLE to ANTENNA so it will scan again to pick up off the air signals. Please read the TV user manual for more details.
What is the model number of the TV?
Is the antenna the correct one for your environment? Do you have the antenna pointed at the stations you want to receive? Use antennaweb.org or tvfool.com to get an idea of the location and likely channels you can receive at your location. Antennaweb assumes an outdoor antenna but is very conservative in the list of channels you can receive. (These may match the limits of the indoor antenna.) TVfool lists the stations and the appropriate antenna that will likely receive each station.
Tall trees and buildings will block the signal. Get the antenna as high as possible. Move the rabbit ears and UHF loop to maximize your signal strength. Then make sure the TV is set to use the OTA tuner (ATSC for digtal stations). (That may mean changing the source in the setup menu.)
Then scan for channels. Move your antenna or parts of it and rescan or edit the channel list. (For some TVs there is a weak signal setup option that will let you manually enter the station number (including sub-channel). Then it will provide the signal strength information as you move your antenna.)
I hope this helps. An amplifier may help you bring in weak stations with enough signal strength for the tv to see them.
This television would benefit from an hdtv indoor outdoor amplified antenna not obstructed by trees, aluminum, bricks, and etc. Make sure the signal type is air and not cable and complete a channel scan during primetime tv hours after connecting to this antenna. Buy a large one that you can mount to the wall usually in a large flat box on the shelf in the store. Philips has one sold at Walmart.
Check your antenna direction (antennaweb.org or tvfool.com are good sources for signal direction). When I lose channels, it's a digital signal that came in with "bad signal" strength and my external antenna has rotated in the wind. (Oddly another TV in the house doesn't seem to lose the signal as easily even though they share an antenna.)
Also check the weather conditions and time of day. I've gained distant channels when scanning near sunrise or sunset and lost others during thunderstorms.
You may have several problems.
If you are using a indoor antenna, upgrade to a outdoor antenna. The indoor antenna has to be adjusted every time you change a channel. If you plan to sit in a chair and never move when watching tv, you may be able to pick up a channel or two. Get a UHF/VHF antenna from a home improvement store. The big box electronic stores are selling a digital antenna. There is no such thing. The antenna doesn't know if the signal is digital or analog, it just picks up uhf and vhf signals.
The other problem could be that the box is bad if it is not saving the scan. I would check the antenna first from what you said though.