21/332.57. Query AV MUTEHexadecimal 02h 51h 53h 48h 03hCharacter Q S H■Response (Callback)OFFHexadecimal 02h 30h 03hCharacter 0ONHexadecimal 02h 31h 03hCharacter 1AcceptabilitySECURITY STANDBY(NETWORK)STANDBY(ECO)NO SIGNAL AV MUTE FREEZE○ ○ × ○ ○ ○2.58. Query PICTURE MODEHexadecimal 02h 51h 50h 4Dh 03hCharacter Q P M■Response (Callback)In the period when the command can be acceptedHexadecimal 02h *1 *3 *5 03hCharacter *2 *4 *6AcceptabilitySECURITY STANDBY(NETWORK)STANDBY(ECO)NO SIGNAL AV MUTE FREEZE○ ○ × ○ ○ ○■Parameters (*1,*2,*3,*4,*5,*6)STANDARD DYNAMIC CINEMAHexadecimal 53h 54h 44h 44h 59h 4Eh 43h 49h 4EhCharacter S T D D Y N C I NREAL BLACK BOARD COLOR BOARDHexadecimal 52h 45h 41h 42h 42h 44h 43h 42h 44hCharacter R E A B B D C B DIMAGE 1 IMAGE 2 IMAGE 3Hexadecimal 49h 4Dh 31h 49h 4Dh 32h 49h 4Dh 33hCharacter I M 1 I M 2 I M 3IMAGE 4Hexadecimal 49h 4Dh 34hCharacter I M 42.59. Query CONTRASTHexadecimal 02h 51h 56h 52h 03hCharacter Q V R■Response (Callback)In the period when the command can be acceptedHexadecimal 02h *1 *3 *5 03hCharacter *2 *4 *6AcceptabilitySECURITY STANDBY(NETWORK)STANDBY(ECO)NO SIGNAL AV MUTE FREEZE○ ○ × ○ ○ ○■Parameters (*1,*2,*3,*4,*5,*6)0 1 2Hexadecimal 30h 30h 30h 30h 30h 31h 30h 30h 32hCharacter 0 0 0 0 0 1 0 0 261 62 63Hexadecimal 30h 36h 31h 30h 36h 32h 30h 36h 33hCharacter 0 6 1 0 6 2 0 6 3