TOA Electronics 9000 Series - Manual (Page 13)

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, , , ,
00H: Input channel
01H: Output channel
00H - 07H (Input channel 1 - 8)
00H - 07H (Output channel 1 - 8)
00H: Bass Gain
01H: Treble Gain
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.