Some discussion of this issue took place during the last two days in the thread entitled "Is there a Complete List of Sony IR Codes Available?" I want to create a new thread specific to this issue, and to relate what I have learned. Hopefully, it will help someone. Also, as you'll see, though I have "solved" my problem, I am still confused about a part of it.
PROBLEM: I tsught the Pronto to "Switch the Source" using the instructions pertaining to the "Device List". But I was finding that even though the command was successfully learned, it was NOT automatically copied to the analogous button on the Home panel.
The answer was truly quite visible in the text that one sees in the "System Properties" of the Home section. There are three requirements, ALL of which have to be met.
(1) There must be at least one Home panel.
(2) The first panel must be named "home", LOWERCASE!
(3) The box "HOME panels are write-protected" must be
checked.
The third one was my problem -- I didn't have it checked. And the reason I didn't was that I wanted an additional button (viz., "Turn Whole System Off") on my (single) Home panel. So I figured I was in a "Catch-22" with this. If I wanted a modified Home panel, I couldn't have the button automatically do the "Switch the Source". But I figured out an ugly way to overcome the problem.
SOLUTION:
(1) Save the configuration that has the modified Home panel. Call it, for example, "Real Config".
(2) Check off the box "Home panel is write-protected.
(3) Download the complete configuration to the Pronto. At this point, the Pronto can learn the "Switch the Source" and the command will automatically be copied to the button on the Home panel.
(4) Upload this configuration to the PC. Have it replace anything you had in the PC's memory (i.e., do not "merge" it).
(5) Delete everything in this confiruration EXCEPT the Home panel and the devices that you are trying to effect the "Switch the Source" for.
(6) Save this configuration, calling it, for example, "Temp Config".
(7) Now load "Real Config" back into memory, replacing anything that was in the PC's memory.
(8) Open the "Temp Config" configuration file and MERGE it with the "Real Config" you already have in memory. At this point, you will presumably have an extra home panel and an extra device for any device you had defined in "Temp Config".
For the rest of this discussion, let's say there is one device in question, and it is "DVD".
(9) Now you need to delete the "DVD" button from the "Real Config" home panel, and copy over the "DVD" button from "Temp Config" home panel.
(10) Since you have an extra "DVD" in the device list, you must delete one. The one you must delete is the original one -- i.e., the one from "Real Config", and you keep the one from "Temp Config".
(11) Save "Real Config", and download it to the Pronto. At this point, all will work as you want.
MY REMAINING POINT OF CONFUSION: In my "Real Config" (i.e., with "Home panels are write-protected" NOT checked), some of the buttons on my Home panel DID automatically learn the "Switch the Source" command, and some did not. Why did some of them learn it?
And why is there such a restriction that the command will only be automatically copied if the Home panels are write protected?
Thank you for your patience in reading through this.
And thank you, everyone, who helped me get to where I am with the Pronto. You were an enormous help to me!
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