After making the changes, do a resetsc -y, then try
sc> help
Available commands
------------------
poweron {FRU}
poweroff [-y] [-f]
removefru [-y] {FRU}
reset [-y] [-x]
break [-y]
bootmode [normal|reset_nvram|diag|skip_diag|bootscript="string"]
console [-f]
consolehistory [-b lines|-e lines] [-g lines] [-v] [boot|run]
showlogs [-b lines|-e lines] [-g lines] [-v]
setlocator [on|off]
showlocator
showenvironment
showfru
showplatform [-v]
showsc [-v] [param]
shownetwork [-v]
setsc [param] [value]
setupsc
showdate
setdate [[mmdd]HHMM | mmddHHMM[cc]yy][.SS]
resetsc [-y]
flashupdate [-s IPaddr -f pathname] [-v]
setdefaults [-y] [-a]
useradd <username>
userdel [-y] <username>
usershow [username]
userpassword <username>
userperm <username> [c][u][a][r]
password
showusers [-g lines]
logout
help [command]
sc>