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DATV using DM800SE

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PeterB

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  • "PeterB" started this thread

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Saturday, March 17th 2012, 12:45pm

DATV using DM800SE

I have a DM800SE with BCM4505 tuner which is specified down to 1Ms/s.

I have an SR Systems TX on L Band and 437MHz which in theory will go below 2MS/sbut I cannot get the dM800 to lock below 2MS/s.

Qu 1 Has anyone any exprience locking below 2 MS/s on DVB-S? we see French stations at times and they run 1.667 or 1.024 Ms/s

on 437MHz.

Qu 2 The BCM 4505 tuner spec sheet says is covers 250 to 2150MHz , I would like to use the IRD directly on 437Mhz. Is there a setup method to set the LNB frequency to zero to use the input directly at 437 or L Band. Is there some edit software to load my frequencies etc?

thanks in advance peterB g3pyb

dhwz

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Saturday, March 17th 2012, 1:21pm

There shouldn't be a problem locking signals with symbolrates below 2000Ms/s, I've locked many feeds with symbolrates below 2000Ms/s and also some below 1000Ms/s (~500Ms/s).

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