General Measure M02 Manual De Usuario página 76

M02 Digital Indicator
ZN——2 bits，5AH4EH
Zero millivolt value——6 bits
For example:
02 30 31 31 43 5A 4E 30 31 32 36 31 30 38 31 0D 0A
Correct response:02 30 31 31 43 5A 4E 4F 4B 33 37 0D 0A
Wrong response:02 30 31 31 43 5A 4E 45 34 30 34 0D 0A（Write data error）
6.2.3.6 Gain calibration
1）With weights
Send command:
STX Scale no. Channel No. C
Correct response：
6
GY Weight value CRC CR LF