AKG DMM 6 User Instructions page 53

Operation
The settings range from -14 dB to +14 dB. Only the upper middle LED lights up (0 dB) with
linear adjustment. More LEDs light up on the left side as the rotary knob is turned further to
the left. More LEDs light up on the right side as the rotary knob is turned further to the right.
Figure 26: Increments on the LED ring for the BASS function
The adjustable increments are equal to 2 dB per click and also correspond to one LED.
Figure 27: Adjustment range for the BASS function
DMM 6 53