Vax RS 232C User 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. 
