Airstream TC4-NVS Mode D'emploi page 30

TC4-NVS
3 Adjusting the Cooling or Mist Offset
The offset for Stage 2 is the temperature interval from the set point at which
the fans or mist units turn off (see the diagram in the Configurations Section).
The offset can be adjusted between 0.5°F and 20.0°F (0.3°C and 11.1°C).
Set the selection knob to STAGE 2 - OFFSET. The current offset
flashes on the display.
Use the adjustment knob to set the offset to the desired value.
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TC4-NVS.rev.04