Arcam AVR400 User Manual download pdf (Page 18)

Dolby Volume (0x38)

Control the status of the Dolby volume system.

Example

Command/response sequence to turn the Dolby Volume system on:

Command: 0x21 0x01 0x38 0x01 0x01 0x0D

Response: 0x21 0x01 0x38 0x00 0x01 0x02 0x0D

Dolby Leveller (0x39)

Control the status of the leveller component of the Dolby volume system.

Example

Command/response sequence to set the Dolby Leveller to 5:

Command: 0x21 0x01 0x39 0x01 0x05 0x0D

Response: 0x21 0x01 0x39 0x00 0x01 0x05 0x0D

Dolby Volume Calibration Oset (0x3A)

Adjust the calibration oset of the Dolby volume system.

Example

Command/response sequence to set the calibration oset to -5dB:

Command: 0x21 0x01 0x3A 0x01 0x85 0x0D

Response: 0x21 0x01 0x3A 0x00 0x01 0x85 0x0D

COMMAND:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x38

Dl 0x01

Data 0x00 – Dolby Volume off

0x01 – Dolby Volume on

0xF0 – Request current Dolby Volume mode

Et 0x0D

RESPONSE:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x38

Ac Answer code

Dl 0x01

Data1 0x00 – Dolby Volume is off

0x01 – Dolby Volume is on

Et 0x0D

COMMAND:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x39

Dl 0x01

Data 0x00 — 0x0A – Set Dolby Leveller to 0 — 10

0xF0 – Request current Dolby Leveller setting

0xF1 – Increment Dolby Leveller setting

0xF2 – Decrement Dolby Leveller setting

0xFF – Turn off Dolby Leveller

Et 0x0D

RESPONSE:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x39

Ac Answer code

Dl 0x01

Data1 0x00 — 0x0A – Dolby Leveller setting is 0 — 10

0xFF – Dolby Leveller is off

Et 0x0D

COMMAND:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x3A

Dl 0x01

Data 0x00 — 0x0F – Set the calibration offset to 0 — 15dB

0x80 — 0x8F – Set the calibration offset to -1 — -15dB

0xF0 – Request current calibration offset

0xF1 – Increment the calibration offset by 1dB

0xF2 – Decrement the calibration offset by 1dB

Et 0x0D

RESPONSE:

Byte: Description:

St 0x21

Zn Zone number

Cc 0x3A

Ac Answer code

Dl 0x01

Data1 0x00 — 0x0F – Calibration offset is 0 — 15dB

0x80 — 0x8F – Calibration offset is -1 — -15dB

Et 0x0D

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Arcam AVR400 User Manual Page 18

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