Change Temperature Settings from Celsius to Fahrenheit:Optimum Temperature
If '230' appears on the digital display screen, then the temperature of your flat iron is set to Celsius... To change back to Fahrenheit:
1. Turn the Flat Iron Off & Unplug from Electrical Socket
2. Wait for 10 Seconds
3. Plug the Iron Back into the Electrical Socket
4. Press & Hold Down the HIGH [∆] Button
5. Press the On/Off Button
6. An 'F' Will Appear on the Digital Screen.
7. Your device is now set to Fahrenheit Mode