The DC-2/MC-1 includes 8 custom characters that are defined to display increments of a display block. (i.e. Volume Bar) The custom characters are ASCII character codes 08 - 0F(hex). The codes are used as follows:
'08' - left 1 bar '09' - left 2 bars '0A' - left 3 bars '0B' - left 4 bars '0C' - Full Cell '0D' - Underscore '0E' - right 3 bars '0F' - not in use
7.1.3.3 HOST Response
The DC-2/MC-1 does not look for any response from the HOST.
7.1.4 Parameter Change Notification
DC-2/MC-1 will transmit predetermined parameter change notifications. If a parameter value is changed due to any user action or system action the DC-2/MC-1 will transmit the current value of the parameter that is changing.
7.1.4.2 Data Description
0x04
0x02
nn
nn
7.1.4.1 Notification Packet Description
Application Header:
Command DC_PARAM_CHG_MSG
Data Count 2
Application Data:
Data[0] ParamId
Data[1] Value
Lexicon, Inc.
DC-2/MC-1 Serial Communications Protocol

Printed on: 10/19/00

ParamId:

 

 

DataType:

Unsigned 8 bit integer

 

Max:

Set by the System Parameter Count in the “Unit Configuration Packet”.

Value:

The Current Value for this system parameter.

 

Data Type:

Unsigned 8 bit integer

 

Max:

Set by the Max Value per the System Parameter Definition response

Packet for the Parameter Id of this packet.

7.1.4.3 HOST Response

The DC-2/MC-1 does not look for any response from the HOST.

7.1.4.4 Supported System Parameters

The following parameters will be supported by this Parameter Change Notification:

Parameter

DC-2/MC-1 Parameter Name

Current Effect

PROGRAM

Mute

MUTE

System Volume

VOLUME

Balance

LR_BALANCE

Input Selection

INPUT

Record/Zone 2 On/Off

RECORD_ENABLED

Zone 2 Volume

Z2_VOL

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ABC Office DC-2, MC-1 manual Host Response, Supported System Parameters