Sennheiser SDC 8000 System Manual page 14

The components of the SDC 8000 system in detail
14
a dot matrix display (122 x 32 dots) for displaying voting options,
voting results and other important information
a chip card slot for delegate identification
The interpreter console features:
special "interpretation" functions
a muting function (MUTE key)
tone controls for volume, middle and treble of the headphones and a
volume control for the loudspeaker
a chip card slot
The six conference console versions and the interpreter console are
illustrated in detail on the following pages.