Akg DMM8 ULD Digital Automatic Microphone Mixer with LAN and DANTE Interface - Manual (Page 84)

Description
DMM8 MANUAL 84
The corresponding slide switch activates the phantom power supply of
+48 V for the inputs located on the left and right.
Ground connection
Figure 12: Phoenix terminal
A Phoenix terminal connects the housing to the 0 V potential of the power
supply.
Only bridge the 0 V potential with the grounding (factory setting) or connect
it to the central system ground, as otherwise the phantom power has no
reference point and will not function.
Analog control
Figure 13: Phoenix terminal
A linear 50 k Ω potentiometer at the VCA input, labeled "VCA" and "", allows
you to vary the master volume.
Figure 14: VCA
VCA
VCA
Poti 50k
lin.