from what i can guess, you can select from:
1. MAIN
2. spdif (coax or toslink)
3. OFF (but USB still works)
... the headphone will always output sound no matter which mode you...
i'm gonna go "old school" and recommend the jvc marshmallows
if they are to your liking, getting/doing the shure e2c orange foam replacements would also help!
plus, they go for roughly ~$10... so you...
RANDOM
or
RANDOM ALBUM
or
Pre-Arranged Playlist that I periodically update with my favorite "single tracks"
also, i find that the newer foobar search function is all i need to find the music i need... i think it searches...