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Topic:
Sony DE685 and on/off
This thread has 4 replies. Displaying all posts.
Post 1 made on Tuesday February 18, 2003 at 13:56
Dennis Careri
Lurking Member
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February 2003
2
I'm a newbie and trying to get my Sony DE685 receiver to recognize discrete on and off from the 8811. With this receiver the advanced codes (113/109)no longer seem to work. From reading other posts in the list they must have gone to extended codes? What's the easiest way to solve this problem. I thought I'd just fire up the JP1 stuff and assign discrete codes to a couple of buttons but even though I was a software engineer in a past life I got lost trying to figure it out :-(
Post 2 made on Tuesday February 18, 2003 at 16:19
edmund
Elite Member
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April 2002
13,576
Does the 8811 control any functions of your DE685?
OP | Post 3 made on Tuesday February 18, 2003 at 19:04
Dennis Careri
Lurking Member
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February 2003
2
yes, everything else works fine..and it works with all my other Sony devices. I've gotten the extended codes for on/off to work a couple of times. As per a thread I found here about a "trick" with combo codes, if I happen to push a button (can't quite figure out which one) that leaves the right data in the buffer and then when I enter and send the extended code, it pulls the first byte from the buffer and it magically works.
Post 4 made on Tuesday February 18, 2003 at 20:52
jarmstrong
Founding Member
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March 2002
1,780
Dennis,

I highly recommend building the JP1 cable and use the JP1 tools to work with an OFA remote. It can do double byte command key moves (which is the only way to do this reliably), program macros, do device upgrades. It takes a little time and some learning but IMO well worth the effort.

-Jon
Post 5 made on Tuesday February 18, 2003 at 20:56
johnsfine
IR Expert
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September 2002
5,159
On 02/18/03 19:04, Dennis Careri said...
As per a thread I found here about a "trick"
with combo codes, if I happen to push a button
(can't quite figure out which one) that leaves
the right data in the buffer and then when I enter
and send the extended code, it pulls the first
byte from the buffer and it magically works.

I think it gets the SECOND byte from the buffer and the FIRST byte from the EFC you enter. That gives you a method of attack:

1) You can set up a few ordinary key moves on the remote using the 994 command, including key moving FROM the key you think leaves the right second byte in the buffer.

2) Connect via JP1 cable and download to IR.EXE.

3) Select the Key Moves tab and look at the key moves you defined in step 1. They'll each have two hex bytes. If I have this right, almost every one will have a different first byte from almost every other one, but the second byte will tend to be duplicated.

4) Create a new Key Move (which won't work) by specifying the EFC for the advanced code you want.

5) Look at the Key Move you just defined and see its one byte hex command.

6) Edit that key move. Click the button for hex command and enter a two byte value: AB CD where AB is the single byte you saw in step 5 and CD is a second byte you saw in step 3.

There are methods that are both simpler and more definite, but you might prefer the above since it uses a much narrower subset of the JP1 tools (you do the whole thing on the Key Moves tab) so there is less to learn.


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