Question about Samsung SIR-T451 DirecTV DTV Receiver

No signal I've been using this receiver for over a year for OTA HD programing. I tried connecting my cable tv line to the receiver and couldn't get a picture to come up. It wouldn't see any channels when I did the automatic memorize function. I then switched it back to the HD antannea and now it won't find any channels through there either. I tried a different coax line in case it happened to go bad durning this switch. The front display on the receiver says C-and the channel number. Is his correct. I don't remember it being a "C" before. Does C mean Cable? I can't figure how to switch it back to Air...

Anonymous May 06, 2008

Yes 'C' means cable. You need 'A' for air.

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68 Answers

Reconnect the antenna and restart the receiver. then go into the menu and a run the initial setup. make sure you dont skip the zip code. it may take a moment to register all the channels

Posted on Jan 04, 2009

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My panasonic viera has just stopped working. I can play a dvd but not watch tv, It says no signal. I have checked all leads and none are loose. It worked yesterday!! What is wrong with it? Please help

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Convert normal tv to hd tv

HELLO
If the set you are trying to convert to HD is just your everyday standard VHF/UHF analogue TV - basically forget it! I am given to understand you cannot make your standard telly show HD pictures.
Sorry! That is, of course, anyone else knows different.

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So you are telling me I need a digital converter for this TV to g

Who was not watching the months of public service announcements? You need a Digital-to-Analog (ATSC-to-NTSC) converter box to receive over-the-air (OTA) signals in most parts of the country. You do not need one for most cable and satellite box outputs--they are NTSC or HDMI. Some low-power, typically religious, stations are still analog. Note OTA may be high definition (HD) or standard resolution (SD) but will be digital.
To get HD on your HD set you must have OTA (HD TV tuner, not converter), cable (QAM TV receiver), satellite (HDMI or 5-wire RCA),or Blu-Ray with HDMI or RCA.
-Ken

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I don't know how a program it, since you change digital.

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Combining output from dish home distribution with ota antenna

You should have your system setup in the following manner below:

You also will only be able to receive the HD locals with a HD OTA antenna. It is possible that you will need to turn the satellite off in this room to view the OTA's effectively.

Also you should use a splitter as depicted in the picture by the red boxes to combine signals of this frequency. The blue box is the diplexer on the incoming satellite feed and the black box is the seperator that most dual tuners use. If yours does not utilize this device you will have another cable coming from the outside of the house to the back of the receiver. The location of the ports on the back of the receiver in my diagram may differ in position on your receiver so obviously connect them to the proper port. I hope this ressolves the issue and there is no need to seperaate the signal at the remote tv as it will only be a duplicate of the same signal you have connected already as OTA and the TV2 backfeed are of the same frequency range.