Pro-Ject Audio Systems Pro-Ject Signature 12 - Manual (Page 8)

e) Assembly of removable tonearm part to the turntable
Detachable tonearm part, which we already prepared, carefully put to it’s place.
Insert output connector carefully into socket in housing. Positioning pin must be directed to cartridge
counterweight. After insertion the connector into socket, lock the connector with fixing nut.
f) Tonearm output connection
Attached signal cabel plug to tonearm 5-PIN connector, which is located on the bottom side of the turntable.
Keep the right positioning.