Master Spas Series Owner's Manual page 52

TWILIGHT SPA – CONTROLS
TS 120
INITIAL START-UP
When your spa is first actuated, it will go into Priming mode, indicated by "Pr".
The Priming mode will last for less than 5 minutes (press "Warm" or "Cool"
to skip Priming mode) the spa will begin to heat and maintain the water
temperature in the Standard mode.
Warm / Cool (80˚F-104˚F / 26˚C-40˚C)
The start-up temperature is set at 100 degrees F / 37 degrees C. The last
measured temperature is constantly displayed on the LCD display.
To display the set temperature, press the "Warm" or "Cool" button once.
To change the set temperature, press the button a second time before the
LCD stops flashing. Each press of the "Warm" or "Cool" button will continue
to either raise or lower the set temperature.
After three seconds, the LCD will stop flashing and display the current
spa temperature.
Jets
Press the jets button once to activate the pump on low speed. Press the jets
button again to turn the pump on high speed. If left running on low speed
the pump will automatically turn off after 4 hours, and the high speed will
automatically turn off after 15 minutes.
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