If the muffle furnace does not have a constant temperature timing function: click the "Settings" button to enter the temperature setting state, the upper row of the display window displays the prompt "sp", and the lower row displays the temperature setting value (the first value flashes). Use the shift, increase, and decrease keys to modify the desired setting value; then click the "set" button to exit the setting state, and the modified setting value will be automatically saved. In this setting state, if no button is pressed for 1 minute, the controller will automatically return to the normal display state.

If there is a constant temperature timer function, click the "set" button to enter the temperature setting state, the upper row of the display window displays the prompt "sp", the lower row displays the temperature setting value (the first digit value flashes), the modification method is the same as the above; click the "set" button to enter Constant temperature time setting status, the upper row of the display window shows the prompt "st", the lower row displays the constant temperature time setting value (the first digit flashes); then click the "Set" button to exit the setting state, and the modified setting value will be automatically saved .

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