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17.3.2 RESET (RC) 
  To clear and restore the remote control setting to factory default. 
o  Press once to clear the memory 
17.3.3 RESET (AC) 
  To restore the unit’s setting to factory default. 
o  Press once to restore the unit’s setting. 
17.3.4 TIMER   
  To change indoor unit indicators’ intensity: 
o  Press continuously for 5 seconds. 
17.3.5 TIMER   
  To change remote control display from Degree Celsius (°C) to Degree Fahrenheit (°F). 
o  Press continuously for 10 seconds.