Newland NLS-HR1250-70, User Manual

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** Enter Setup
21 Exit Setup
Reply: {Prefix2} {Types} {Lens} {Datas} {FCS}
1) Success message:
Prefix2 : 0x02 0x00
Types : 0x00 (success)
Lens : Byte count of Datas returned.
Datas : 0x00~0xFF, data that are returned.
FCS : CRC-CCITT checksum.
2) FCS error message:
Prefix2 : 0x02 0x00
Types : 0x01 (incorrect FCS)
Lens : 0x01
Datas : 0x00
FCS : 0x04 0x01 (CRC-CCITT checksum)
3) EERPOM not responding message:
Prefix2 : 0x02 0x00
Types : 0x02 (EEPROM not responding)
Lens : 0x01
Datas : 0x00
FCS : 0x5d 0x51 (CRC-CCITT checksum)
4) Invalid command message (Command starting with 0x7e 0x00 is shorter than the required length or of
wrong type):
Prefix2 : 0x02 0x00
Types : 0x03 (invalid command)
Lens : 0x01
Datas : 0x00
FCS : 0x6A 0x61 (CRC-CCITT checksum)