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15.2.2  RESET (RC) 
  To clear and restore the remote control setting to factory default. 
o  Press once to clear the memory. 
15.2.3  RESET (AC) 
  To restore the unit’s setting to factory default. 
o  Press once to restore the unit’s setting. 
15.2.4  TIMER   
  To change indoor unit indicators’ intensity: 
o  Press continuously for 5 seconds. 
15.2.5  TIMER   
  To change remote control display from Degree Celsius (°C) to Degree Fahrenheit (°F). 
o  Press continuously for 10 seconds. 
15.2.6  TEMP   
  To change remote control set temperature range from 16°C ~ 30°C (60°F ~ 86°F) to 20°C ~ 30°C (68°F ~ 86°F). 
o  Press continuously for 15 seconds.