NEC UM351WGi-B Command Reference Manual page 43

Response

When the command succeeds
22h 18h <ID1> <ID2> 01h <DATA01> <CKS>
Data part
Item
DATA01

When the command fails
A2h 18h <ID1> <ID2> 02h <ERR1> <ERR2> <CKS>
Information
While the lens is being driven, you can control the lens position without a stop by issuing the same command.
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Execution result
00h Ended successfully.
FFh Ended with an error.
43
Description