Operation modes196.3 Default settings modeThis mode is used for the units (°C/°F) for head temperature readings, for switching betweenREADY/BUSY signal, and for setting the buzzer ON/OFF.* The default values are Celsius (°C) for temperature display, BUSY, and buzzer ON.[Default settings mode]1. While pressing down the MODE switch power ON the controller.2. When the display starts up is displayed.[Switching between °C/°F display]1. Use △/▽ to switch between °C (Celsius)/°F (Fahrenheit).2. Press the SET switch. will be displayed.[Switching between READY/BUSY signal]1. Use △/▽ to switch between A=READY/b=BUSY.2. Press the SET switch. will be displayed.[Switching the buzzer ON/OFF]1. Use △/▽ to switch between buzzer ON/OFF.2. Press the SET switch. will be displayed.[Exiting from default settings mode]1. Hold down the SET switch to switch to operation mode.[Restoring default settings(all settings are restored to their initial default values)]1. While in default settings mode, press the MODE switch.2. will be displayed.3. Hold down △/▽.4. will be displayed.5. Hold down SET. will be displayed. Whenappears all settings have been restored to their originaldefault values, and the controller returns to operation mode.3 On/oFFEE | | |EEEE CLr1 C/F2 A/b1 C/F