NEC NP-UM352W - Projector Control via Web Browser

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3.8 [ 023. SOUND MUTE OFF ]
Turns the sound mute off.
Command
02h 13h 00h 00h 00h 15h
Response
4 When the command succeeds
22h 13h <ID1> <ID2> 00h <CKS>
4 When the command fails
A2h 13h <ID1> <ID2> 02h <ERR1> <ERR2> <CKS>