NEC UM351WGi-B Command Reference Manual page 86

Response

When the command succeeds
23h C9h <ID1> <ID2> 03h 09h <DATA01> <DATA02> <CKS>
Data part
Item
DATA01
DATA02
Information
For the values of input terminal, see the Appendix "Supplementary Information by Command".

When the command fails
A3h C9h <ID1> <ID2> 02h <ERR1> <ERR2> <CKS>
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Input terminal
Execution result
00h Ended successfully.
Description
01h
86
Ended with an error.