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78 posts

Master Geek

# 20366 23-Mar-2008 15:51
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Well for now I have given up on DVB-T so im trying to get DVB-s working on my PVR4000 and WinTV for now, can some one tell me what sat settings I should be using when hooked up to Sky dish I know it should be set up for Optus D1

I have so far set bot LNBs under Satellite sources to Optus D1, I would like to know what these settings should be

Low Osc (KHz) ??
high Osc (KHz ??
LNB Switch (KHz) ??

This is all being set up under WinTV for now, I will set it up for GBPVR later when I know it works.


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78 posts

Master Geek

  # 118250 23-Mar-2008 16:42
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Found the info I need, Freeview Sat is now running via my PVR4000 card

172 posts

Master Geek

  # 119223 27-Mar-2008 23:19
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Hotdognz: Found the info I need, Freeview Sat is now running via my PVR4000 card

Hi Hotdognz, can you share all the settings with us ta? I have a HRV3000 and wanting to know these!




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Uber Geek


  # 119291 28-Mar-2008 09:40
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it depends on what sort of LNB you have

if you have the older circular Sky one, it'll be

Low Osc (KHz) 11300
high Osc (KHz) 11300
LNB Switch (KHz) 0

if you have the newer oval shaped (dual throat) Sky one
Low Osc (KHz) 10750
high Osc (KHz) 10750
LNB Switch (KHz) 0

I have an HVR3000 and it works just fine (usually) with WinTV

also check out Bartenders blog

78 posts

Master Geek

  # 119292 28-Mar-2008 09:42
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Ok under WinTV these are the settings i used, I set both LNBs to Optus D1, then i set

Low Osc = 11300000
High Osc = 11300000
LNB Switch 22500

I then did a scan and it found the Freeview channels and lots of sky stuff too.

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Uber Geek


  # 119297 28-Mar-2008 10:10
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the switch isn't 22500, that's the symbol rate for the Freeview transponders

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Master Geek

  # 119313 28-Mar-2008 11:16
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Well its what i put into WinTV and they worked fine so I just stuck with them.

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Uber Geek


  # 119490 29-Mar-2008 10:12
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The LNB switch should infact be the recieved frequency that is the threshold between lower and upper LO. So by putting it to anything less than 12250 means the Hi LO will be used to calculate frequency, and the 22kHz tone will be on if enabled.

Univerasal LNBs commonly have two LO frequencies,  9.75GHz and 10.6GHz, the lower LO is used to recieive 10.7-11.7GHz, and the upper LO to receive 11.7-12.75GHz. The presence of 22kHz tone selects the upper LO, the switch frequency in such a setup would be 11.7GHz (or 11700MHz).

The above bands are what is available in Europe and the Americas, down here we will most likely only have the upper band 11.7-12.75GHz in use. A 11.3GHz LO is good for 12.25-12.75GHz, however to get lower than 12.25GHz the move to a lower 10.75GHz LO has been implemented by Sky.

The Optus D1 is only loaded with transponders in the 12.25GHz-12.75GHz band, Optus D3 that will fly with C1 at 156E will extend Foxtels capacity by adding transponders in the 11.7-12.2GHz band, hence why the new oval dual orbit LNB has a 10.75GHz LO. I guess one day a 2nd Satellite will also fly at 160E to give 11.7-12.2GHz capacity there aswell, long way off I suspect.

Regardless putting anything less than 12250 will result in the HiLO being used at all times, thing to watch out for is that the Sky oval dual throat LNB's will switch orbit slot to 156E if you turn the 22kHz on. I suspect the real switch frequency should be 12750, this will force the LNB to use the low LO at all times thus preventing it from generating Tone.



12 posts


# 121419 5-Apr-2008 23:14
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Thanks Hotdognz , it worked for me first scann! Laughing

sorry cyril you totally lost me...

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