Lexicon, Inc.
MC-12 Serial Communications Protocol
Printed on: 08/18/03
© 2003 Lexicon, Inc. All rights reserved.
12 of 94
7.1.4.1 Notification Packet Description
Application Header:
Command
DC_PARAM_CHG_MSG
0x04
Data Count
2
0x02
Application Data:
Data[0]
ParamId
nn
Data[1]
Value
nn
7.1.4.2 Data Description
ParamId:
Data Type:
Unsigned 8 bit integer
Max:
255.
Value:
The Current Value for this system parameter.
Data Type:
Unsigned 8 bit integer
Max:
Set by the Max Value per the Parameter Definition response Packet for
the Parameter Id of this packet.
7.1.4.3 HOST Response
The MC-12 does not expect any response from the HOST.
7.1.4.4 Supported System Parameters
The following parameters will be supported by this Parameter Change Notification:
Parameter
MC-12 Parameter
Name
MC-1
ParamId(V4.00)
Current Effect
PROGRAM
1
Mute
MUTE
3
System Volume
VOLUME
5
Balance
LR_BALANCE
6
Input Selection
INPUT
7
Record/Zone 2 On/Off
RECORD_ENABLED
18
Zone 2 Volume
Z2_VOL
154
Zone 2 Balance
Z2_BAL
156
Zone 2 Mute
Z2_MUTE
157
Bass
BASS
167
Treble
TREBLE
168
Loudness
LOUDNESS
169
Tilt
TILT
174
Menu Background On/Off
MENU_BKGND
190
Note: The Record/Zone 2 On/Off only applies to the MC-12 Record zone. The Zone 2 Volume, Zone 2
Balance and Zone 2 Mute only apply to the MC-12 Zone-2.
For Input Parameter Change Notifications the Input Value is a MC-12 to MC-1 input mapping, as shown in
Appendix F MC-12 Input Id's
.