Music Mixer User Manual

Page 13 of 24

5.6. Tone Control

Performs Bass and Treble gain settings of the input/output channels. 9000Series Amplifier

responds with the same data as that received..

Note: Command cannot be received during power off.

AAH, 04H, <Channel Attribute>, <Channel Number>, <Bass/Treble>, <Value>

00H: Input channel

01H: Output channel

00H - 07H (Input channel 1 - 8)

00H - 07H (Output channel 1 - 8)

00H: Bass Gain

01H: Treble Gain

<Value>

00 - 18H: Gain Position (-12 to +12dB)

21 - 2CH: Position Down (1 –12dB Step Down)

2D - 38H: Position Up (1 – 12dB Step Up)

Example 1: Setting the Input Channel 1 Bass Gain fixed value to 0 dB.

AAH, 04H, 00H, 00H, 00H, 0CH

Example 2: Increasing Input Channel 1 Bass Gain by +3.0 dB step increments.

AAH, 04H, 00H, 00H, 00H, 2FH

See Tone Control Gain Position Table on the next page.