NEC RS-232C Car Video System User Manual


 
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Readout value is 2's complement.
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 Check code for a BCC calculation.
Delimiter
CR (0Dh): End of packet
Readout value
Temperature [Celsius]
Binary Hexadecimal
+125.0 0000 0000 1111 1010
00FAh
+ 25.0 0000 0000 0011 0010
0032h
+ 0.5 0000 0000 0000 0001
0001h
0 0000 0000 0000 0000
0000h
- 0.5 1111 1111 1111 1111
FFFFh
- 25.0 1111 1111 1100 1110
FFCEh
- 55.0 1111 1111 1001 0010
FF92h