Simrad TFI datagram format
Simrad TFI is a proprietary datagram format created by Kongsberg Maritime to provide the status information from maximum three catch sensors.
Format
@IITFI,x,y,z<CR><LF>
Description
1 IITalker identifier
2 TFIDatagram identifier
3 xStatus #1
•  0 = Off
•  1 = On
•  2 = No answer
4 yStatus #2
•  0 = Off
•  1 = On
•  2 = No answer
5 zStatus#3
•  0 = Off
•  1 = On
•  2 = No answer