Vaisala AWS330 - Manual (Page 233)

Chapter 7 ___________________________________________________________ Troubleshooting
VAISALA ______________________________________________________________________ 231
8. If WMT703 responds with prompt
>
, the connection has been
successfully opened.
NOTE When entering commands for WMT703, instead of terminating
command with ENTER, use the function key programmed in step 3
on page 230 to send <CR><LF> to the sensor. Also note that
WMT703 does not echo characters when using RS485 link.
For additional troubleshooting instructions, see WMT700 User's Guide,
manual M211095EN, included on the AWS330 installation CD.