11
Controls and Settings
1. Amperage control knob
This adjusts the amperage (cutting power)
2. Power on light
This lights when machine is switched on
3. Low air pressure warning
This lights when air pressure is too low, check air pressure is set to 70 PSI when air is flowing from
torch
4. Overheat warning light
This lights when machine has overheated – allow to cool and light to go out before using again –
if problem persists see troubleshooting later in this manual
5. Power warning light
This lights when machine has sensed and internal problem with machine.
Turn off machine and contact R-Tech technical support
6. Air pressure gauge
Displays air pressure in PSI
7. LED Display
This shows cutting amperage selected when control knob (1) is turned.