Wow, I figured someone would have confirmed or denied this by now. Well, I wasn't able to yet.
This weekend I dismantled by stereo system for a minor overhaul and it will be at least a week before it is together again (I don't even have a center console for the moment :).
All I could find so far is that emplode accepts a setting of 600 seconds (my desired setting, which I don't think was allowed before), then I can sync the player, exit emplode, restart emplode, and after emplode retrieves the player settings, it indicates a setting of 600. So the player seems to take the setting, but I don't know if the player is actually using the setting......
(I believe the previous limit was 120 or so.... but I am not really even sure since I never used it as it was too short for me)