User`s manual

5-4. RF Sensor Switch
New RF High/Low switch for even better RF sensitivity
control. Switch to high for extremely low amp TIG(down to
1 amp) or when using shielded cables and welders. Switch
to low when working near other welders or in areas of high
RF interference to avoid false triggers and for general
welding.
TIG Rating
RF HIGH >1 Amp
RF LOW >10 Amp
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6. Maintenance
Note
Always ensure that all maintenance procedures are conducted
in a clean dry place. Use clean dry hands and avoid direct
contact with any glass surfaces. Handle cover plates and
welding filter by the edges and carefully clean off any dirt or
debris before re-use.
6-1.Changing the front and rear cover plates
Unclip and open the front cover as shown in the diagram. You will then be able
to remove and replace the front cover lens as required.
Before installing the new cover lens remove the protective film from both sides.
To change the rear cover lens gently remove the cartridge from the helmet you