10
Controls and Settings
Fig 1
1. Air pressure gauge
This shows the air pressure as set by regulator at rear of machine. This should be set to 70PSI when the test
gas button is activated.
2. Amperage control knob
This adjusts the amperage (cutting power) from 20 to 50 amps
3. L.E.D amperage display
When cutting this shows the actual cutting amperage
4. Test Gas / Cutting selector switch
When in the up position this is test gas mode, when setting air pressure switch to test gas so you obtain actual
air flow cutting pressure When in the down position this is cutting mode, you can now
start cutting
5. Auto / Standard switch
When in the down position this is in standard cutting mode, this is the normal operating position for plasma
cutting with a hand held and machine type torch, when in the up position this is in auto mode (4T) this is for
special applications when using automated machinery.
6. Indication of too low air pressure
The led will not be shown when the air pressure is less than 26psi and the machine will not work. Adjust
pressure to correct 70PSI, led will light and you can resume cutting.
