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Quote:
Originally Posted by tpaxadpom /forum/post/0


... Local channels on Comcast QAM were properly mapped.

I have been waiting for someone to report on this feature for weeks.


Are you saying that the digital channels received via QAM from Comcast can be dialed in using the same channel numbers as a Comcast STB would?


So, here in the Seattle area, HD channel 7.1 would be on Comcast (STB) channel 107 even though the actual QAM channel is someting like 89.2.


This is good news if I understand you correctly.
 

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Quote:
Originally Posted by Budget_HT /forum/post/0


Are you saying that the digital channels received via QAM from Comcast can be dialed in using the same channel numbers as a Comcast STB would?

Budget_HT,


I was trying to say that while receiving locals with QAM tuner they had the same channel numbers as if I was receiveing them from the air (OTA), 2, 6, 8... My SIR451 either didn't tune to those channels or picked them up in 80 something range (or perhaps Comcast changed something, I no longer have SIR451 so I can verify that). I believe 260 found some local channel duplicates in 80s range, but I have to do more investagation to figure that out.

At this point I'm not even interested in QAM since I can receive OTA without any dropouts.
 

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Its good to read reports that are close to mine as far as the ota tuner goes. I still can't believe I have not had one dropout yet. For anyone that is frustrated with their ota reception I highly recommend trying the Samsung. It is far superior to any of my previous 5 hd tuners.
 

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I hope I'm not breaking any rules here but I just wanted to let people know that if you get the Samsung tuner at Circuit City and buy a silver sensor antenna, you can use the $40 off $199 coupon that's floating around and get both items for around $170 out the door.


I just did so and am hoping to get the kind of reception I hear about here on the forum with this baby!
 

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Quote:
Originally Posted by tpaxadpom /forum/post/0


Budget_HT,


I was trying to say that while receiving locals with QAM tuner they had the same channel numbers as if I was receiveing them from the air (OTA), 2, 6, 8... My SIR451 either didn't tune to those channels or picked them up in 80 something range (or perhaps Comcast changed something, I no longer have SIR451 so I can verify that). I believe 260 found some local channel duplicates in 80s range, but I have to do more investagation to figure that out.

At this point I'm not even interested in QAM since I can receive OTA without any dropouts.

That is exactly what I was hoping to hear! I have heard of HDTVs with built-in ATSC/8VSB/QAM tuners mapping the cable channels but I had not heard of a stand-alone HD STB that did so.


Thanks for the info.
 

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Will this thing work with a projector ?? I'm planning on installing a nice antenna but my D* HDDVR won't be able to receive the OTA HD signal until a software update is available. I want to get OTA HD but my PJ will need something to "tune" in the stations.
 

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Discussion Starter #548
This unit can deliver HD via component-video or HDMI connection. You choose which output is active via a switch on the back of the box. It can deliver HD signals (via either connection) in either 1080i or 720p resolution. You choose which resolution using another switch on the back. If your projector can accept any combination of these input types and resolutions, this unit should work with it OK.
 

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Quote:
Originally Posted by clark_kent /forum/post/0


Does anyone know what the "service" connector can be used for and how to use the "service" connector? Thanks.

If your referring to the USB Port in the rear, it could be used for Firmware Updates,etc ?
 

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I puchased a 260F from Circuit City about 2 weeks ago and am very happy with it. It's my 1st HD rcvr so i cannot comment on it's performance compared to anyother, but I think it is definitely worth the investment. My only problem is I cannot receive the local PBS boadcast - which is transmitted from the same location as the CBS signal and that comes in fine. Hope to get somme advice on that on a different thread.
 

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Quote:
Originally Posted by pkeegan /forum/post/0


Any ideas where to look for the coupon? I haven't been able to spot it on the circuit city website.

Thanks

Go to your favorite online deal forum and search for "40 off 199" That should do the trick. If not, then PM, I think I have a copy of the pdf somewhere ...
 

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Quote:
Originally Posted by Budget_HT /forum/post/0


That is exactly what I was hoping to hear! I have heard of HDTVs with built-in ATSC/8VSB/QAM tuners mapping the cable channels but I had not heard of a stand-alone HD STB that did so.


Thanks for the info.

Don't rush out and buy one just yet. If you're hoping that all the clear QAM channels will map to the same virtual channels that they do on a cable company box, you're liable to be dissapointed. The cable company uses a completely differnt system from broadcasters do to tell their boxes which physical channels have which logical channels. Because of this, the cable companies don't pay a lot of attention to whether the signals they provide contains the PSIP information provided by the broadcasters to tell ATSC broadcast receivers how to map the channels.


A reciever which pays attention to the PSIP information in QAM signals creates more problems than it solves as far as I'm concerned. Since the subchannels created by the cable companies are totally independant from the subchannels created by the broadcasters, situations arise where the two conflict.


In my area, Comcast often combines two HD streams and/or multiple SD streams

from different digital broadcast stations on the same physical channel. For instance PBS channel 22 and ABC channel 13 are combined on QAM channel 125.

However only the PSIP information for channel 13 is included. This caused no problem for my old SIR-t451. It just left the stations where they were and all stations were accessable. However, the 260F sees the PSIP info, maps the channel to 13 and ignores channel 22 completely. There's no way I can point it to

physical channel 125 without it immediately going to 13.
 

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Skeptic Tank,


Thanks for the info. I am somewhat familiar with PSIP in the OTA environment, but I have no knowledge of how PSIP plays in the cable environment.


I would have guessed that the channel mapping from cable would have come from the cable company-inserted data stream (somehow--I don't know how) and would have been specific to their channel assignments from a given head end.


Even without cable company intervention, PSIP data transmitted with a DTV signal essentially tells the receiver which logical channel they have chosen, which typically matches their OTA channel number as a base and then adds a subchannel number with it.


I will have to dig around some more to see if I can't come up with some technical description of how cable company channel mapping works, with or without a cable card or cabel company STB.
 

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Hows the longevity on this unit? Some of you reported problems of the unit just dying... others had problems with the unit resetting at Ch.34 (fixed by unplugging... still lame though).


Follow-ups are appreciated!
 

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In case anyone is looking in the Seattle area, Circuit City just received a few at their Everett and Bellevue stores. Just order mine after months of hit or miss. Good luck!
 

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I've had mine on order at Best Buy for 3 week's, should be here today or tomorrow. Will this output from HDMI and component simultaniously. I would like to feed a hdtv signal to a 57" crt tv on HDMI, and a projector on component.
 

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Sorry, I have a newbie question regarding QAM tuning.


Does it mean that I won't have to subscribe to cable if I have this tuner ? Or just that once subscribed, I won't have to pay for their digital box rental fees?
 

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Quote:
Originally Posted by bobvbc /forum/post/0


Will this output from HDMI and component simultaniously. I would like to feed a hdtv signal to a 57" crt tv on HDMI, and a projector on component.

it won't. There is a switch on the back of this unit to select HDMI or Component Video. So far I preffer Component Video to HDMI on my Pioneer Pro-730HDi. Previously with 451 I was using DVI-HDMI.
 
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