Expondo Stamos S-MIG160DS Manuel D'utilisation page 38

Press the MENU button again to adjust the ANTI-STICK function. The left display will show "Ant".
8. Connecting the wires
CAUTION! Connecting the cables to the device must be done with the power supply
disconnected and the device turned off.
MMA welding
1) Connect the welding gun cable to the connector marked with a "-" sign and twist the cable
plug to secure the connection.