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Topic:
Audio Research CD8 IR Control Protocol from manufacturer: Need Help
This thread has 6 replies. Displaying all posts.
Post 1 made on Thursday April 30, 2015 at 09:55
joshuaad
Lurking Member
Joined:
Posts:
June 2012
7
Hi everyone.

I contacted the manufacturer to get the IR control codes and even though I have looked into various threads in this forum I have not had any luck translating their data into usable Pronto .ccf file type hex code. Any help would be appreciated.

Audio Research sent me a pdf file with the following info:

Protocol: Philips RC5
Frequency: 38KHz
System Code: Complete R5 code=1+1+T+device code+command code
Where T toggles each time a transmission starts
Device Code: 10100(b)

The remote itself has all the buttons but not standby which I need.

The info for STANDBY is as follows:
Key number : 1
Key Name : standby
Hex Code : C
Dec Code : 12
Data Code: 001100 (in the following sequence: D5 D4 D3 D2 D1 D0)

Any help would be greatly appreciated.

Thanks.

PS: There's a lot more on the pdf file so let me know if anything else is needed.

Last edited by joshuaad on April 30, 2015 10:17.
Alan D.
Post 2 made on Thursday April 30, 2015 at 17:49
Lyndel McGee
RC Moderator
Joined:
Posts:
August 2001
12,156
What Pronto/Marantz editor are you using?

Are you wanting a code for a Pronto or some other remote/software?

Philips has short code formats for the RC5 codes (see Classic Pronto FAQ - link at bottom/top of page).


If you have an editor capable of entering an RC 5 code, try System of 20 (which is from the binary representation '10100' and is 14 in hexadecimal) which is the Device Code and Command of 12 (Decimal 12 = hexadecimal 0C).

Which will give you Philips Short code format of:
5000 0000 0000 0001 0014 000C
Lyndel McGee
Philips Pronto Addict/Beta Tester
OP | Post 3 made on Friday May 1, 2015 at 11:39
joshuaad
Lurking Member
Joined:
Posts:
June 2012
7
Hi Lyndel.

Thanks for the quick reply. I'm looking to import a pronto ccf type hex code into a URC control system.

The codes I import I usually find on this forum but are typically longer like:

0000 0068 0020 0000 000b 0049 000b 001f 000b 001f 000b 001f 000b 0049 000b 001f 000b 0049 000b 001f 000b 0049 000b 001f 000b 001f 000b 0049 000b 001f 000b 0049 000b 001f 000b 06f3 000b 0049 000b 001f 000b 001f 000b 001f 000b 0049 000b 0049 000b 001f 000b 0049 000b 001f 000b 0049 000b 0049 000b 001f 000b 0049 000b 001f 000b 0049 000b 0049

I also downloaded a utility called RC5toHex but I could not make sense of it.

Do you know if the short format can be imported into URC's Hex Editor (CCP or TC)?

Thanks again for your help.

Alan
Alan D.
OP | Post 4 made on Friday May 1, 2015 at 12:22
joshuaad
Lurking Member
Joined:
Posts:
June 2012
7
Here's some feedback from URC tech support:

"You would have to get the Hex Pronto raw data from the manufacturer and then copy and paste the data in Universal Browser for the command then drag it to the hard button on the remote. This would have to be done for each command you wish to add. The Hex Pronto format is usually something along the lines of the following:

example:... " (similar to above, starts with "0000....ends with....06d9" was a png picture)
Alan D.
Post 5 made on Friday May 1, 2015 at 16:20
Barf
Regular Member
Joined:
Posts:
August 2013
161
Get IrScrutinizer, go to the "Generate" pane, enter 20 (or 0x14) for D and 12 (or 0xC) for F. (The meaning of these numbers was explained by Lyndel.) Press Generate.
OP | Post 6 made on Monday May 4, 2015 at 10:48
joshuaad
Lurking Member
Joined:
Posts:
June 2012
7
Hi Barf. This is what IrScrutinizer generated:

0000 0073 0000 000A 0020 0020 0040 0040 0040 0040 0040 0020 0020 0020 0020 0020 0020 0040 0020 0020 0040 0020 0020 0CC8

I'm not sure I'm 100% clear on the logic. But for the "Standby" command detailed in my original post, does the generated code also include what is listed as the data code (001100 )?

I'd like to understand how Lyndel came up with the code with the data Audio Research provided.So for example, with Play = Key Number : 16 ; Key Name : Play ; Hex Code: 35 ; Decimal Code : 53 ; Data Code : 110101 {D5 D4 D3 D2 D1 D0}], I'd have to enter 20 for D still, but 0x35 for F? Ignore the Data Code?

I have to go to the customer's code and try it out now. Thanks very much for all of your and Lyndel's help!

Last edited by joshuaad on May 4, 2015 11:03.
Alan D.
Post 7 made on Tuesday May 5, 2015 at 14:38
Barf
Regular Member
Joined:
Posts:
August 2013
161
Basically, it is informed guessing. The RC5 protocol has two parameters (D and F, disregarding T for the moment), and how to match the written description to those two parameters -- there are not that many possibilities.

001100 is binary for 12, but you probably knew that :-).


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