● 1 = No Suppression
● 2 = Light Suppression
● 3 = Heavy Suppression
● 4 = Half Duplex
This command is a channel integer command. See 
Section 6.3 and Section 6.2 for more information 
on this type of command. The minimum and maximum values for this command are 1 and 4, 
respectively. 
This command is saved to non-volatile memory only as part of a preset. The state of this command 
will be restored after power-up only if a preset is saved and that preset is set to be the power-on 
preset. 
Example Description Status Message
Q01AECMODE13
Set AEC on input channel 1 to 
Heavy Suppression.
Q01AECMODE13
Q01AECMODE1?
Query AEC suppression level on 
input channel 1.
Q01AECMODE1x, where x is 1, 2, 3, or 4 
depending on the current setting of the AEC 
suppression level on input channel 1. 
8.4. AGC -- Enable or Disable Mic/Line Input Automatic 
Gain Control
This command sets or queries the status of the Automatic Gain Control (AGC) algorithm on input 
channel 1 . 
This command is a channel boolean command. See 
Section 6.3 and Section 6.1 for more information 
on this type of command. 
This command is saved to non-volatile memory only as part of a preset. The state of this command 
will be restored after power-up only if a preset is saved and that preset is set to be the power-on 
preset. 
Example Description Status Message
Q01AGC11
Enable AGC on input channel 1 . 
Q01AGC11
Q01AGC10
Disable AGC on input channel 1 . 
Q01AGC10
Q01AGC12
Toggle AGC state on input channel 1 . 
Q01AGC1x , where x is 0 or 1 depending on the 
current state of the AGC on input channel 1 . 
Q01AGC1?
Query AGC state on input channel 1 . 
Q01AGC1x , where x is 0 or 1 depending on the 
current state of the AGC on input channel 1 . 
8.5. AGCMAX -- Set Maximum Allowed Mic/Line Input AGC