“Set” -> Enter setting state to adjust and set the parameter, and change the working conditiongs.
“OK” -> Under setting state, confirm current setting data, and enter next parameter setting. Under non-set status, review the current setting.
“▲” -> Under setting state, upper the setting parameter; under non-set state, upper setting working temperature.
“ON/OFF” ->Push ON/OFF button shortly, status light normally on. Push button for 2 seconds to switch off the heater. Status light flicker.
“▼” -> Under setting state, lower the aetting parameter; under non-set state, lower the setting working temperature.