2012-01-07, 10:00 AM
Thanks Jase88. I do have intermittent signal issues...
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2012-01-07, 10:00 AM
Thanks Jase88. I do have intermittent signal issues...
2012-01-11, 04:15 PM
ReallyOldGuy, see post #515 (http://digitalhome.ca/forum/showpost.php?p=1363085&postcount=515) for a link to the CM7400 review by Engadget.
2012-02-01, 12:49 PM
Hey guys, this may be a reach but bear with me:
does anyone know of any attempts to "jailbreak" (i.e. hack) the SW of the Channel Master 7000 DVR?
Seeing as CM is quite uninterested in providing updates or support to its Canadian customers, it would be great if there was a way for us to modify the unit's software via an "update". Top of my list would be to allow it to accept a 6-character postal code so we can get local TVGOS info from a Canadian postal code and maybe upgrade the colours and look of the guide.
Any ideas if there have been any attempts or is anyone willing to experiment?
2012-02-01, 07:42 PM
I'm not aware of any such attempt. It would likely destabilize or brick the unit.
Channel Master has indicated that adding support for postal codes is "in development" for the 7000, which I took as a easier statement to make other than "No, it's not going to happen". Certainly doesn't appear to be supported in the upcoming 7400 either.
For my part, I'm now getting PSIP EPG data on all but two stations (CHCH & CBLFT); mostly an acceptable situation for me (would be nicer if PSIP went further into the future) as far as the 7000 goes.
I don't intend to purchase product from Channel Master in the future due to their poor support. And in particular their non-existent support of the Canadian market.
2012-02-02, 08:40 PM
I wouldn't hold your breath on any improvements. The 7400, which I own, also won't accept a Toronto postal code. During setup you have the opportunity to enter the country/code for either the USA or Canada, but if you enter a Canadian postal code the the 7400 is "unable to establish contact with the server" and urges you to try again later. If you change to USA and 14201, it connects immediately and a "local lineup" is downloaded. Now, none of this matters unless you're planning on purchasing the extra EPG package, but it shows not much has changed down at Channel Master.
As to the rest, it's all in the coding. I've done various TVGOS experiments with the 7000PAL and a separate TVGOS-enabled DVR. The 7000PAL is quite capable of receiving TVGOS data from a Canadian channel (in my case either CFTO or CKVR) and passing it on, but is unable to transfer that data to its own internal guide. It's easy to tell the difference - Buffalo TVGOS is missing several Canadian channels (CKVR, CITS, TSN, etc) and includes advertising. Toronto TVGOS is missing various US stations, (ION, METV, all Rochester stations), and is blissfully ad-free.
So, the good news is that what you're asking for is entirely possible. The sad reality is that it will probably never happen.
2012-02-03, 04:31 PM
Thanks for the feedback guys.
It goes to show the sad state of Channel Master's Canadian customer service when paying customers are actually considering hacking the device just to recover functionality. *sigh*
Maybe we can convince a computer science student to hack it as a university project :D
2012-02-07, 10:07 AM
the last software release Version 10.1.81.1 01/18/2012 did address some of the issues.
2012-02-20, 05:59 PM
What ZIP codes are people in Toronto using on their CM 7000 PALs?
I'm currently getting 20+ channels, but my guide data only shows 24 hours worth of programming for most channels. Only two channels (CBC and CBS) go beyond the current evening. Everything else says "no info available". Is this normal?
2012-02-20, 06:59 PM
Most of us use 14201 or something close to that.
It sounds like you're not getting TVGOS, just the PSIP info. Can you see the TV Guide logo up in the right hand corner on the Guide screen? If not you haven't "acquired" the TVGOS signal. It may take a factory reset, because the 7000 stops looking if it can't find the signal after 3 or 4 days.
2012-02-20, 07:00 PM
theboyk, to answer your questions, and to summarize what has been covered in this thread:
1) Most people in the GTA, including myself in Kitchener, use ZIP 14201.
2) The device captures electronic guide data via two methods: TVGOS (TV Guide on screen), and PSIP. The former is a host service carried on WNED in Buffalo, which provides about a week of data. PSIP generally only provides up to 12 hours, though some channels provide many days of data with PSIP.
"PSIP" (Program and System Information Protocol) is a data stream embedded into a station's signal. When you tune to that channel, the CM7000 receives the data just for that station. In order to keep it's EPG updated, the CM7000 will tune to each station (in the background--you don't see it do this) periodically to capture this data.
3) The only Canadian channel (to my knowledge) that receives EPG data via the Buffalo TVGOS host is CFTO Toronto.
4) CBC (English CBLT) Toronto sends out the most data on PSIP: Almost a week.
5) CHCH Hamilton and CBLFT Toronto don't send out any data whatsoever.
I hope this helps.
2012-02-20, 07:27 PM
Yea, I think it's a lack of TVGOS. I used to see a lot more channel info, but over the last few weeks I noticed I wasn't seeing much. I also recall seeing the TV Guide logo in the background, and I don't see it anymore either. So, I should probably do a factory reset.
2012-02-20, 07:29 PM
Also, do I have to be receiving WNED to have TVGOS working? The reason I ask is because I deleted the SD feed and only kept the HD feed and perhaps I need the SD feed working to get TVGOS to work?
2012-02-20, 08:03 PM
OK, did a factory reset and went through the Wizard setup. Once completed, it went to the "downloading guide" screen, took about two minutes for the progress bar to complete, and then I'm "set up. But, still not getting the TV Guide logo or any TVGOS data?
2012-02-21, 09:55 AM
Have noticed a jerkiness, hitching type delay in some of my recordings. Recordings on my other PVR (Shaw Direct) do not exhibit this problem. This is not due to signal dropouts as noted in a previous post. Its a consistent hiccup in the picture throughout a recording. Is this an issue with CM PVRs?
2012-02-21, 12:52 PM
theboyk, do you have the "TVGuide/TVGuide+" feature enabled? If so, this will prevent TVGOS and guide data from working on the CM7000. Disable this feature if enabled.
Make sure you device can receive WNED 17.1 (RF 43) from Buffalo, and is using the ZIP code provided above.
2012-02-21, 12:55 PM
brownriggd, this will occur when the device has experienced signal issues (dropouts, excessive errors, etc) during recording. When you attempt to playback, the device reads these errors, and presents unstable playback (hiccups).
The fix: Hit pause, then play.
2012-02-21, 01:03 PM
Jase88: The "TVGuide/TVGuide+" feature is not enabled, I'm receiving a very strong WNED 17.1 signal and I've been using the ZIP suggested (it's actually what I've always been using for my ZIP).
After some further research, it looks like the "downloading guide" screen is downloading info for PSIP, not TVGOS and that TVGOS data is updated automatically at set times throughout the day. So, I wonder if that, after my factory reset, I wasn't seeing TVGOS data because it hadn't been updated yet? Does anyone know what time the TVGOS data gets updated throughout the day? I didn't check this morning to see if it had been updated, so I'll check when I get home this evening.
That said, if all else fails, is there another way, other than in the Menu, to reset the device to factory? Since the recordings aren't erased when I do I reset via the menu-based reset, maybe there's a hardware based reset that'll actually start over again from scratch?
2012-02-21, 01:08 PM
My recollection is that it downloaded TVGOS data right away for me when I first installed and completed the channel scan. I could be wrong...and you could be right: The data may only be sent at specific intervals. I suppose you'll know later when you check it! ;)
2012-02-21, 01:42 PM
It can take a day or two after a reset for the TV Guide logo to appear. I've had it show up almost immediately, and at other times had it not appear until the next day.
Do NOT turn on the TVGuide/TVGuide+ feature. That is for sending the TV Guide data "out the back" of the CM7000 to another attached device that also has TVGOS. It will disable all normal DVR functions of the CM7000, including the guide.
As long as you still have 17.1 or 17.3 turned on, I believe you're good to go. If you delete all three PBS channels you'll lose TVGOS on the CM7000.
A factory reset from the menu is all you need to do to get the CM7000 to start looking for the TVGOS signal again. Can't remember off hand, but the data arrives in several half-hour chunks throughout the day. Just be patient.
2012-02-21, 01:57 PM
I did the reset last night around 8PM, so I'll check it when I get home tonight around 7 — that'll be almost 24 hours, so hopefully I'll see some results!