The Vector supports a command that you can use to get a short list of the
supported commands if you find yourself in the field without documentation.
This command has the following format.
$JATT,HELP<CR><LF>
The response to this command will be the following.
$>JATT,HELP,CSEP,MSEP,EXACT,LEVEL,HTAU,HRTAU,HBIASPBIAS,NEG
TILT,ROLL,TILTAID,TILTCAL,MAGAID,MAGCAL,MAGCLR,
GYROAID,COGTAU,SPDTAU,SEARCH,SUMMARY