These are the differences/Limitations between Subscriber and Trial accounts.
Green SUBSCRIBER: All functionality enabled. No limitations. Orange DX-USER: All functionality enabled. Not eligible as admin. white/gray TRIAL-USER: All functionality except below.
# Unable to send chat messages
# Unable to use the built in CW keyer
# Unable to hide the callsign as "Invisible"
# Unable to query user statistics with the /users command
# Unable to send private messages
# Unable to lookup other users
# Unable to use 30 meters band
# Unable to CODEC OFF for Digital transmissions