BLUE SKY AMC Instruction Manual page 29

Clear EQ - clears the values of all filters in the AMC.
The optimum level average microphone level is somewhere is between -20 dB to 0 dB.
If the level is low, increase the gain on the remote control. If the measured response is too low, the
noise floor of the room and or the microphone may prevent an accurate measurement.
Normally when optimizing a Blue Sky system, the remote gain control is set for 0dB.
Page 29