JP1 Remotes

Trying to do a simple 6131 remote Power keymove using IR from TV to AUD. The EFC is 024, converted to Hex properly giving "00 18".

Here's what is strange. Put her in TV mode, power on, works fine. Go to AUD, power works fine still as it should after the keymove.

But put her in TV mode, power on, then adjust the volume. Then go to AUD, attempt to do a power on/off, does not work. I used my learning remote to disclose that the power press in TV mode produces "Device 144, EFC 024", but after touching the volume key and then going to AUD/Power press yields "Device 128, EFC 024".

There's something about that volume adjustment in between mode switch that messes something up. Why does the device number change? Clearly that is what is the problem.

See my IR file at:

http://groups.yahoo.com/group/jp1/files ... rytest.txt

The setup code he's using for the VCR is VCR/1162, which is a 2-byte combo code. From my own experience, trying to use advanced codes with this code produces results just like those described.

If you change the setup code in your keymove from VCR/1162 to VCR/0162 it should work properly.

1162 corresponds to my Panasonic VCR/TV combination. What constitutes an advanced code?

Sure enough, using 0162 in the keymove works correctly. I want to try to understand - why did this work? This is one of the Panasonic VCR codes in the 6131 codebook.

Mitch

"advanced code" is just another way of saying EFC, which is the 3-digit number that you use when you program a keymove.

The VCR/1162 setup code uses 2-bytes of variable data. This is because it's a combo code, which combines VCR/0162 (Panasonic 144.0), VCR/0454 (Panasonic 144.1) and TV/0250 (Panasonic 128.0).

Old fashioned 3-digit advanced codes won't work with combo codes, which is why UEI has invented the new 5-digit advanced codes for their newest remotes (like the B01 version of the URC-9960 Kameleon). Even though the 6131 uses 3-digit advanced codes, it uses the new format for advanced codes which means (theoretically) if you used the right value in the first byte of your VCR/1162 keymove, you should be able to get your keymove to work, but nobody's taken the time to figure out how that first byte is encoded.