Help with Atlas 1056 remote and Logitech speakers

The Z-5500 and your Z-680 use exactly the same codes, so the ones you found should work fine. Did you assign setup code 1370 to AUX first (not 1377)? Is it possible the device type for AUX isn't an audio type? Make sure it is, then assign code 1370, then try a short press and release of setup followed by 00117.

If you don't know how to change the device type of the AUX button (I don't remember either), you could also try TV 1326, CBL 1807, or DVD 0823, and they should all work equally well with the posted EFCs.

Yes, a lot of cable remotes don't let you change the power button, so you'll just have to pick another button. Any other key besides a device selection key is fine. I think Shift-Power should work. To do that just precede the power button with a short press of setup when programming it. Use it the same way, by preceding it with a short press of setup. Using the setup key this way is called a shifted function. You can pretty much double the number of functions on the keypad with this technique.

AFAIK, setup followed by a 5 digit code should work on your remote. You have to do it fairly quickly, all 6 presses within 2 or 3 seconds. You can hold the final digit to keep sending the signal. I've had a few atlases in the past, including the 1056, and never had an issue like that.

If you don't mind investing in a JP1.3 cable, you can reassign the power button as well as do lots of other things like 5 functions per button, including device buttons, such as short press, long press, double press, shifted press and double shifted press, and do nested macros, fast macros, device specific macros (as opposed to global), key group mapping, device multiplexing, variable macro pauses, device state tracking, load new devices and protocols, import pronto hex, etc., all using a graphical programming interface similar to harmony (but much better).

I have an Atlas 1056B01, and I can confirm that the Master Power button can not have an EFC assigned to it or to it as a shifted button.
A JP1.3 cable does allow you to make the above assignments.
Consider using PIP On/OFF as a surrogate Power button for Audio-- it is reasonably mnemonic, and probably has no other use in Audio.

Finally just for clarity for other readers, step 6 in post #3 in this thread is not required, but it doesn't hurt to do it.

A couple of options are mentioned in THIS thread. Actually, if you install the JP1 tools like Remote Master and get your codes from the JP1 site, you don't have to convert at all. I rarely find any pronto hex that isn't already in the JP1 database.

My home theater is Phillips HTS3371D, my remote is the 1056B01. Do I still use 1370 and the same 5 digit codes or are they different for this home theater unit?

Thank you in advance

Kinda hijacking this thread a bit, but it's old so I doubt anyone will care too much. I stumbled across this thread and other here http://www.avsforum.com/t/1101020/atlas-1055-pvr-programming-issue#post_15394434 that detailed the different button codes for the logitech z5500 remote set. I was wondering if anyone knows where this information is available for other devices. I have an HP TV LC4276N model and some of the keys don't work the way that I want them to and was hoping to find something similar for that device to have it work a little more smoothly. Does anyone know where these codes are available or if there is some kind of database that details button codes for different remotes? Thanks!

Sorry, but individual function codes won't work on any remotes except those made by UEI (One-For-All brand, some OEMs (not your HP) and many cable remotes) or more expensive remotes that can import pronto hex codes. Your best option is to buy one of those remotes. UEI ones average from $3-$20 and are available everywhere. My favorite is the $15 RCA RCRP05B.