we added a counter in the new Archon V07 firmware, press W and T buttons simultaneously will enter menu interface. Click “+” or “-” button to select Counter profiles, fire button to confirm.
The Archon firmware V07 doesn't support key conbination mode
Download here:
aspirecig.com/upgrade/archon/467.html
But here again, be careful that after the update, the power is set to 150W, so lower that down if needed !