Set Mute; Send Display String Command - Lexicon RV-8 V1.10 - SERIAL COMMUNICATIONS PROTOCOL DEFINITION REV 1-7 Manual

Lexicon, Inc.
RV-8 Serial Communications Protocol

7.3.11 Set Mute

The Set Mute Command message allows the RS232 users to set/clear the RV-8 mute state directly.
7.3.11.1 Command Packet Description
Application Header:
Command
Data Count
Application Data:
Data[0]
7.3.11.2 Data Description
MUTE State:
Value Definition
0 UNMUTE
1 USER MUTE
2 FULL MUTE
7.3.11.3 RV-8 Response
The RV-8 will set the mute state according to the value transmitted. The RV-8 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.
7.3.11.4 Data Validation
The data value transmitted to the RV-8 will be verified as a valid value. If it is valid the RV-8 will
set/clear the mute and respond with an ACK Packet. If the data value is invalid the RV-8 will respond with
a DC_INVALID_DATA error NAK.

7.3.12 Send Display String Command

This command allows the Host to send a 40-character string to the RV-8 for display on the OSD. The front
panel display goes blank and the message is only displayed on the OSD.
7.3.12.1 Packet Description
Application Header:
Command
Data Count
Application Data:
Data[0]
Data[1]-Data[DataCount-1]
7.3.12.2 Data Description
Display Command Flags:
Word Bit Definition
0 0 FPD only: If set TRUE, the display string will only be sent to the FPD device for display.
0 1 Undefined.
0 2 Undefined.
0 3 Undefined.
© 2005 Lexicon, Inc. All rights reserved.
DC_CMD_SET_MUTE
1
Mute State
Description
The user mute state is set to unmuted. The RV-8 may still
be muted for other internal reasons.
The system volume decrements by the specified user
amount as set in the OUTPUT LEVELS Menu.
The system is fully muted.
DC_CMD_SET_DISPLAY_STR 0x33
Number of characters in the
DisplayStr + 2
DisplayFlags
DisplayStr
Printed on: 07/26/05
0x31
0x01
nn
nn
nn
ch ch ch ... 0x00
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