Responses - NEC NP-M403X Reference Manual

2.3

Responses

After a command is sent to the projector, its result is returned as a response. How a response is returned differs
depending on the execution result of the command.
When the execution of a command succeeds
When the command does not request data, a response is returned with no data part.
When the command requests data, a response is returned with data added to data parts.
When the execution of a command fails
A response is returned with the cause of the failed command execution indicated in <ERR1> and <ERR2>.
(Example) POWER ON
4
Command
02h 00h 00h 00h 00h 02h
4
Response
A2h 00h <ID1> <ID2> 02h <ERR1> <ERR2> <CKS>
11