HHB PORTADRIVE PDR2000 Operation Manual page 75

OUTPUT BIT DEPTH
DITHER
Version 1.31
Allows you to set the bit depth of the output signal between:
16 bit; 20 bit and 24 bit words.
The dither ON/OFF function only appears when you select Output Bit Depth
to be 20-bit or 16-bit.
TOP PANEL MODES
67