Velleman VDP150SC4 Mode D'emploi page 3

The chain should be connected using the XLR connections:
Place a terminator on the DMX output connector of the last device in the DMX chain. This is an XLR connector
with a 120ohm (1/4W) resistor between pin 2 and 3. You can make this yourself using a male XLR connector.
The unit is controlled by 4 channels:
CHANNEL 1: select one of the 8 colours or lamp off
CHANNEL 2: select one of the 12 gobos
CHANNEL 3: PAN (0-150°)
CHANNEL 4: rotation speed & direction
VDP150SC4 v2 3 VELLEMAN