NEC P554U - Optimizing Computer Signal Automatically; Turning Up or Down Volume

©NEC Display Solutions, Ltd. 2014-2017 22
3.8 [ 023. SOUND MUTE OFF ]
Turns the sound mute off.
Command
02h 13h 00h 00h 00h 15h
Response
 When the command succeeds
22h 13h <ID1> <ID2> 00h <CKS>
 When the command fails
A2h 13h <ID1> <ID2> 02h <ERR1> <ERR2> <CKS>