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eferz Expert
Joined: 03 Jun 2010 Posts: 1078 Location: Austin, Texas |
Posted: Tue Feb 21, 2012 12:30 pm Post subject: Sony's OBCs |
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Quick question, does Sony's OBCs only range between 0-127? I've been doing a little discrete hunting lately and noticed none of the protocols will allow an OBC greater than 127, and was wondering if that was by design. _________________ Remotes; JP1.2: Comcast URC-1067, JP1.3: Insignia NS-RC02U-10A, JP1.4 OARI06G, JP2.1: Cox URC-8820-MOTO (still trying to figure out how to make them self-aware.) |
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3FG Expert
Joined: 19 May 2009 Posts: 3367
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Posted: Tue Feb 21, 2012 1:15 pm Post subject: |
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Use DecodeIR.html (or the Wiki ) which has a lot of information about IR protocols:
Sony12
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:5,^45m)+
Sony15
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:8,^45m)+
Sony20
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:5,S:8,^45m)+ |
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eferz Expert
Joined: 03 Jun 2010 Posts: 1078 Location: Austin, Texas |
Posted: Tue Feb 21, 2012 1:20 pm Post subject: |
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3FG wrote: | Use DecodeIR.html (or the Wiki ) which has a lot of information about IR protocols:
Sony12
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:5,^45m)+
Sony15
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:8,^45m)+
Sony20
IRP notation: {40k,600}<1,-1|2,-1>(4,-1,F:7,D:5,S:8,^45m)+ |
Ah, I take it then F is relative to OBC and 7 indicates the number of possible bits. 1111111=127. Sorry, I don't quite have IRP interpretation quite down yet. _________________ Remotes; JP1.2: Comcast URC-1067, JP1.3: Insignia NS-RC02U-10A, JP1.4 OARI06G, JP2.1: Cox URC-8820-MOTO (still trying to figure out how to make them self-aware.) |
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21234 Location: Chicago, IL |
Posted: Tue Feb 21, 2012 2:33 pm Post subject: |
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Another source of info is the Sony section of this site. One of the pages there lists the EFCs for each of the OBCs (called "command codes" or "c.c." on the page) and it only lists OBCs up to 127
http://www.hifi-remote.com/sony/Sony_efctable.htm
But yeah, the range of OBCs is determined by the number of bits in the OBC portion of the binary signal. _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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