E1 - Protective gas selection button
E2 - Pure CO2
E3 - Mixed:80%Ar + 20% CO2
E4 - Mixed:97.5%Ar + 2.5% CO2
F - Welding wire thickness selection area
F1 - Welding wire thickness selection button
F2 - Ø0.8:carbon steel
F3 - Ø1.0: carbon steel, carbon steel with flux core
F4 - Ø1.2: carbon steel, carbon steel with flux core
G - MIG mode selection area