IBC or drum digital thermostat control : 1.Stick the sensor on the heating cable place,the middle back of blanket 2.Connect the plug to digital control 3.Press the SET button to display the current pre-set temperature.the thermostat's LED screen shows the current temperature whenever the SET button is not activated. 4.Press and hold the SET button for three seconds to enter temperature selection mode.Press the UP or DOWN button to adjust the temperature.The thermostat's LED screen shows the numbers as you cycle through them.Press the SET button again to set the chosen temperature.The HEATING light cycles on when the mat is in the process of heating.When the LED is not lit,the mat is not providing heat.The Light turns off automatically when the mat reaches the preset temperature. 5.Press the DOWN button to display the temperature in Celsius.Press the UP to display the temperature in Fahrenheit.