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  #41  
Old 22.05.2008, 15:18
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Re: Satellite Dish that isn't

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Huh ????

The 2 outputs are so you can have 2 independant tuners (from my understanding). i.e. 2 receivers or a PVR with 2 tuners.
I agree, you don't need a diseqc for this, it's already integrated in the dish - you simply need two cables with f-plugs to connect the two satellite down-links to the two tuners of the recorder. You then set them up in "two-cable / one dish" mode (at least in the humax PVRs) I can recommend the Humax iCord btw.

peter

ps: man, I love the new WiFi equipped railroad coaches
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  #42  
Old 22.05.2008, 15:18
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Re: Satellite Dish that isn't

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It'll be fine, you just need a DiSEqC switch (two inputs one output)
A DiSEqC switch is a device that allows you to combine the signal from several LNB's into 1 output.

i.e. if you wanted 13, 19 & 28 degrees using a standard setup, you would use 3 'single output' LNB's and connect these to a 3 to 1 DiSEqC switch, this single cable then goes to your receiver.

If you have more than one receiver/tuner, plus you want more than one satellite, then this gets more complicated as you probably have to go the Quattro & Multi-Switch route.

Both these types of switches can be controlled from the majority of new Satellite boxes to select the LNB that you want the signal from. The default (without a 'control select' signal) is input 1. SKY boxes CANNOT control these switches but you can put the SKY LNB input into channel 1.

It is NOT adviced to use Twin or Quad output LNB's with a DiSEqC.
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  #43  
Old 22.05.2008, 15:25
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Re: Satellite Dish that isn't

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A DiSEqC switch is a device that allows you to combine the signal from several LNB's into 1 output.

good info - but as was already mentioned: the selfsat twin doesn't need that. dont't worry: just plug it in
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  #44  
Old 22.05.2008, 15:33
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Re: Satellite Dish that isn't

Thanks for the additional replies guys, as you can probably tell I am a complete newb at this. I will be using an old Sky box from tomorrow to get me started (without recording functionality), so this won't be an issue straight away.

However the plan is to eventually upgrade this to a PVR (probably an HD PVR in the end).

If I understand what you're saying, a PVR will have two inputs, and it will just be question of running a cable from each of the outputs on the 'dish' to each of the inputs on the PVR unit. Have I understood you right?

EDIT: Here are the specs for what I've got. No mention of built in DiSEqC though...

Modelname SelfSat H10D2
Eingangsfrequenz 10.7 - 12.75 GHz
Polarisation Dual Linear ( Horizontal und vertikal )
Antennenempfangsleistung 33 dBi bei 12.75 GHz
LNB
1
LNB Ausgangsfrequenz 950 - 1950 / 1100 - 2150 MHz
L.O. Frequenz 9.75 / 10.6 GHz
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  #45  
Old 22.05.2008, 15:34
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Re: Satellite Dish that isn't

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good info - but as was already mentioned: the selfsat twin doesn't need that. dont't worry: just plug it in
Actually 'combine' may NOT be the right word.

It does NOT combine the signal.

It allows one cable/connection (from a satellite reciever) to access one of 2 or more 'LNB-outputs' (from more than one LNB).

So the SWITCH selects the input (LNB Output) based on a control signal from the Satellite receiver (if the receiver can send the signal which as mentioned the SKY boxes can't, so use input 1 for SKY as this is the default)

Maybe I need to make a drawing

Clear as MUD now I guess (hope clearer now actually).
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  #46  
Old 22.05.2008, 15:41
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Re: Satellite Dish that isn't

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Thanks for the additional replies guys, as you can probably tell I am a complete newb at this. I will be using an old Sky box from tomorrow to get me started (without recording functionality), so this won't be an issue straight away.

However the plan is to eventually upgrade this to a PVR (probably an HD PVR in the end).

If I understand what you're saying, a PVR will have two inputs, and it will just be question of running a cable from each of the outputs on the 'dish' to each of the inputs on the PVR unit. Have I understood you right?
Yes. When you have the PVR box. Run 2 separate cables, one from each tuner input on the receiver to the 'dish'. Or another way to say this is one output from the dish goes to one tuner input, the second output goes to the second tuner input.

The receiver connection is an output as well as normally it provides power for the LNB (Low noise Block) to work. Depending on the setup, it may be necessary to turn off the power for the LNB on the receiver (but I don't think this is the case for you unless the power is not necessary on the second connection).
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  #47  
Old 22.05.2008, 15:51
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Re: Satellite Dish that isn't

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EDIT: Here are the specs for what I've got. No mention of built in DiSEqC though...
A single LNB does NOT need a DiSEqC.

I think there is a version of SelfSat for picking up multiple satellites though, but not sure how this works.

Types of LNB:

Single - One 'Full' output (one tuner)
Twin - two 'Full' outputs (two tuners/receivers i.e. a PVR box)
Quad - Four 'Full' Outputs (two to four tuners/recievers i.e. 2 PVR boxes or 4 receivers) SKY PVR systems usually come with one of these so you can upgrade to multi-room

Quattro - 4 'partial' outputs: High Vertical, High Horizontal, Low vertical, Low Hortizontal (frequency/polarisation). A Quattro MUST be used in combination with a Multi-switch and is primarily used in multi-sat, multi-receiver setups.

Each LNB can be setup to receive the signal from a single satellite.
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  #48  
Old 22.05.2008, 15:57
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Re: Satellite Dish that isn't

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A single LNB does NOT need a DiSEqC.

I think there is a version of SelfSat for picking up multiple satellites though, but not sure how this works.

Types of LNB:

Single - One 'Full' output (one tuner)
...
OK, now I'm confused

I deliberately bought the H10D2 as opposed to the H10D, as I want to be able to record something and watch something else at the same time, but if I understand the above correctly I won't be able to do this.

Meaning that the difference between the H10D and the H10D2 is simply that you can use two receivers with the second one, NOT that you can use a recorder... Can that really be right?
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  #49  
Old 22.05.2008, 16:09
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Re: Satellite Dish that isn't

http://www.self-sat.com

H10D2 http://www.self-sat.com/sub02_22.php has a 'twin' output.

Says: LNB - 2 output switchable: H/V, high/low.

So this is the right version to work with a PVR (2 tuner satellite receiver).
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  #50  
Old 22.05.2008, 16:12
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Re: Satellite Dish that isn't

Ed, you bought the right thing. It's intended for PVRs as well and will allow you to record two programs at once or to record one and watch another.

Peter
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  #51  
Old 22.05.2008, 16:15
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Re: Satellite Dish that isn't

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http://www.self-sat.com

H10D2 http://www.self-sat.com/sub02_22.php has a 'twin' output.

Says: LNB - 2 output switchable: H/V, high/low.

So this is the right version to work with a PVR (2 tuner satellite receiver).
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Ed, you bought the right thing. It's intended for PVRs as well and will allow you to record two programs at once or to record one and watch another.

Peter
Phew!!

Thanks again for all your help guys. Hope somebody else as new as me to this might benefit as well.

In any case I'll post back the results of setting up and using the Selfsat over the weekend.
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  #52  
Old 22.05.2008, 16:18
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Re: Satellite Dish that isn't

If you get stuck aligning the dish, let me know. I have a profi meter that makes life a lot easier (and I see from your profile you are in ZH).
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  #53  
Old 22.05.2008, 16:20
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Re: Satellite Dish that isn't

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If you get stuck aligning the dish, let me know. I have a profi meter that makes life a lot easier (and I see from your profile you are in ZH).
Thanks. I'm going to be armed with just a compass and a beeper, so if I get stuck I'll shout!
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  #54  
Old 22.05.2008, 16:27
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Re: Satellite Dish that isn't

OK.

The 'issue' with a beeper or 'simple/cheap' meter is it just give you the satellite streangth, but you could be pointing at the worng satellite and would not know.

A compass is not always accurate as it's affected by the surroundings. I suggest you look here:

http://www.dishpointer.com/

Probably better than a compass.
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  #55  
Old 22.05.2008, 16:31
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Re: Satellite Dish that isn't

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OK.

The 'issue' with a beeper or 'simple/cheap' meter is it just give you the satellite streangth, but you could be pointing at the worng satellite and would not know.

A compass is not always accurate as it's affected by the surroundings. I suggest you look here:

http://www.dishpointer.com/

Probably better than a compass.
Yep, I've got that site bookmarked already. In fact, I'm starting to think I'm way overprepared for this whole thing!! I just need the cables to arrive (tomorrow) and then I can get going, instead of sitting on internet forums worrying about issues that probably don't even exist
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  #56  
Old 22.05.2008, 16:43
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Re: Satellite Dish that isn't

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If you get stuck aligning the dish, let me know. I have a profi meter that makes life a lot easier (and I see from your profile you are in ZH).
How much did you pay for it?
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  #57  
Old 22.05.2008, 16:44
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Re: Satellite Dish that isn't



Preparation is always the key, then if this is done right things should go smoothly.

So you had Satshop make your satellite cables and/or ordered them prepared with connectors. Guess this makes life eaiser for you. Still worth checking (if you can) that there is not a short between the screen and signal as this could damage your system. Just needs one stray wire form the screen and you are F'd.
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  #58  
Old 22.05.2008, 16:53
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Re: Satellite Dish that isn't

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How much did you pay for it?
can't remember exactly, was about 250 (UKP).

It's one of these or simular model: Wolsey SAT2 Digital Satellite Meter

Edit: I've used it on a few installations where I've been paid to setup/tune a system. Hopefully I will eventually recover the actual cost even though my 'time' is not really covered by these installations.

Last edited by szhjcn; 22.05.2008 at 17:11.
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  #59  
Old 23.05.2008, 11:57
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Re: Satellite Dish that isn't

So, as I'm impatient to get this up and running, I did a dummy run last night, just to see if I could even get a signal. I'm going to set it up properly in its permanent position tonight.

The early results were (sort of) encouraging: I was able to get a signal using a very old Sky digibox, and eventually coaxed the signal quality up to about 80%.

However, BBC1 was poor quality picture (pixelated, jagged, and occasionaly fading out completely). BBC 2 was pretty good, but ITV was just a blank blue screen.

Given that the signal quality was at 80%, this leads me to two thoughts:

1) Maybe I actually locked onto the wrong satellite (I've since learnt this morning that for Astra 2D the Network ID must be 0002, but I didn't know that last night so couldn't check).

or

2) My digibox is so old (it's a Sony VTX-S760u, bought in about 2004), that it can't handle the signal properly.


Do either of these sound likely to you guys, or could I be barking up the wrong tree altogether...?

(One other thing:
there were no listings for Channel 4 or 5 on 104 and 105 on the EPG, but I guess I'll somehow have to figure out how to tune those manually).

Thanks
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  #60  
Old 23.05.2008, 12:08
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Re: Satellite Dish that isn't

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(One other thing:
there were no listings for Channel 4 or 5 on 104 and 105 on the EPG, but I guess I'll somehow have to figure out how to tune those manually).
Ed, I didn't notice that you live in the Zurich area. To be honest: I'm not really sure you'll ever get a good signal with a very small antenna in the ZH area. The Astra 2D footprint is really limited in Switzerland. In the Basel area, a small (60-80cm) antenna will be enough - but further to the East, you might need something between 80 and 120cm to get half-way decent reception. Excellent reception (that also works in bad weather) will require a very large dish, even in the Basel area.

Here's a map of the footprint: http://www.astra2d.com/footprint.htm

Look at the one at the bottom of the page - as you can see, the area with good reception ends somewhere to the East of Basel

peter
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