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NOTE: This setting only alters the temperature for the rest of the day. Go to section “E. HEAT DAYS & TEMPERATURE” on page 8 to make permanent changes. IMPORTANT: When your spa is activated or temperature is adjusted, the spa goes through a 2-. minute calibration cycle. The controller will evaluate the temperatures at the heater and water in the spa and will determine proper operation and heating needs. The calibration process is indicated by the flashing of the heater LED on the L60 Control Cen