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TXT – Text Transmission
The message is used to transmit short text messages. Transmitting a longer message
needs multi-TXT messages.
$GPTXT,txt1,txt2,txt3,txt4*hh<CR><LF>
Parameters Descriptions Notes
txt1 Total number of messages 01 ~ 99
txt2 Message number 01 ~ 99
txt3 Text identifier 00 – error
01 – warning
02 – notice
07 – user
txt4 Text ASCII format
hh Checksum hex number (2 – character)
<CR><LF> End of message