TVC NFM3 - Gas Selection

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2.3 Gas selection
The NFM3 has been programmed with nine gas mix selections, these are:
• Argon (Ar)
• Carbon Dioxide (CO2)
• Argon/CO2 Mixes (Ar-CO2)
• Nitrogen (N2)
• Argon/Helium Mixes 0 to 10% (Ar-He 10%)
• Argon/Helium Mixes 10 to 30% (Ar-He 30%)
• Argon/Helium Mixes 30 to 50% (Ar-He 50%)
• Argon/Helium Mixes 50 to 70% (Ar-He 70%)
• Argon/Helium Mixes 0 to 100% (Ar-He 100%)
NFM3 Advanced:
Start Up screen
NFM3 Advanced:
Main screen
The NFM3 has a ‘button-lock’ feature to prevent accidental button presses
which may change the gas selection. To access the gas selection area,
press and hold the ‘Up’ button for 3 seconds.
Once the buttons are unlocked and functioning, use the ‘Up’ and ‘Down’
buttons to scroll between the available selections. The selected gas is
displayed at the bottom of the screen.