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6. MESSAGES - AUDIO

6.1 Volume

This command is used to set/get the Volume as it is defined as below.

6.1.1 Message-Get

Bytes Bytes Description Bits Description

DATA[0] 0x45 = Volume –

Get

Command requests the display to report its current

Volume level

The interface to set Software must be such that they also modify the variables representing these

current parameters.

To mute the display, send Volume = 0. This command does not overwrite the system mute status of

the display.

Example: (Display address 01)

Header

Monitor

ID

Category

Code0

Code1

Length

Data

Control

Data[0]

Checksum

0xA6 0x01 0x00 0x00 0x00 0x03 0x01 0x45 0xE0

6.1.2 Message-Report

Bytes Bytes Description Bits Description

DATA[0]

0x45 = Volume

–

Report

Command reports current Volume level

DATA[1] Volume. 0 to 60 of the user selectable range of the display.

Example: Current Display settings: Volume:50 (0x32) (Display address 01)

Header

Monitor

ID

Category

Page

Length

Control

Data[0]

Data[1]

Checksum

0x21 0x01 0x00 0x00 0x04 0x01 0x45 0x32 0x52

6.1.3 Message-Set

Bytes Bytes Description Bits Description

DATA[0] 0x44 = Volume – Set

DATA[1]

Volume.

0 to

60

of the user selectable range of the display.

Example: Set the Display Volume to 20 (0x14) (Display address 01)

Header

Monitor

ID

Category

Code0

Code1

Length

Data

Control

Data[0]

Data[1]

Checksum

0xA6 0x01 0x00 0x00 0x00 0x04 0x01 0x44 0x14 0xF2

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24

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