JBL Performance Series RS-232 Serial Protocol Definitions
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Application Data:
Data[0] Mute State nn
6.3.9.2 Data Description
MUTE State:
Value Definition Description
0 UNMUTE The user mute state is set to unmuted. The AV1
may still be muted for other internal reasons.
1 USER MUTE The system volume decrements by the specified
user amount as set in the OUTPUT LEVELS Menu.
2 FULL MUTE The system is fully muted.
6.3.9.3 AV1 Response
The AV1 will set the mute state according to the value transmitted. The AV1 may still be full
muted if other conditions require the audio path to be muted. This is only a direct access to the
user mute state.
6.3.9.4 Data Validation
The data value transmitted to the AV1 will be verified as a valid value. If it is valid, the AV1 will
set/clear the mute and respond with an ACK Packet. If the data value is invalid, the AV1 will
respond with a DC_INVALID_DATA error NAK.
6.3.10 Send Display String Command
This command allows the Host to send a 40 character string to the AV1 for display on the OSD and
Front Panel Display (FPD).
6.3.10.1 Packet Description
Application Header:
Command DC_CMD_SET_DISPLAY_ST
R 0x33
Data Count Number of characters in the
Disp 2 nn
Application Data:
Data[0] DisplayFlags nn
Data[1]-Data[DataCount-1] DisplayStr ch ch ch … 0x00
6.3.10.2 Data Description
Display Command Flags: