The text transmission response format:
$WITXT,xx,xx,xx,c--c*hh<cr><lf>
| $ | Start of the message |
| WI | Talker identifier (WI = weather instrument) |
| TXT | Text transmission identifier. |
| xx | Total number of messages, 01 to 99 |
| xx | Message number. |
| xx | Text identifier (see text message table) |
| c---c | Text message (see text message table) |
| * | Checksum delimiter |
| hh | Two-character checksum for the query command. |
| <cr><lf> | Response terminator |
Examples:
Wind data request when all the wind parameters were disabled from the wind message:
$WItXT,01,01,01,Unable to measure error*6D<cr><lf>
Unknown command 0XO!<cr><lf>:
$WITXT,01,01,03,Unknown cmd error*1F
Wrong checksum used in MWV query command:
$WITXT,01,01,08,Use chksum 2F*72