Native Instruments Traktor Kontrol Z2

Use the ground screws to earth the turntables you connect to the Z2 in order to prevent un-
wanted hum and other unwanted sounds resulting from ungrounded circuits.
5.2.7 Kensington Lock Port
The Kensington lock on the rear panel.
Obviously, you'll want make sure no one "accidentally" walks off with your Z2!
5.3 Front Panel
The Z2's front panel.
The front panel consists uniquely of headphone and crossfader elements.
TRAKTOR KONTROL Z2 Hardware Reference
Rear Panel
TRAKTOR KONTROL Z2 - Manual - 37