4113.3. Remote Control Button13.3.1. SET BUTTON• To check current remote control transmission code- Press for more than 10 seconds.• To change the air quality sensor sensitivity- Press and release with pointer.- Press the Timer Decrement button to select sensitivity:1. Low Sensitivity2. Standard (Default)3. Hi Sensitivity- Confirm setting by pressing Timer Set button, a “Beep” sound will be heard. LCD returns to original display after 2 seconds.- LCD returns to original display if remote control does not operate for 30 seconds.13.3.2. CLOCK BUTTON• To change the remote control’s time format- Press for more than 5 seconds.13.3.3. RESET (RC)• To clear and restore the remote control setting to factory default- Press once to clear the memory.13.3.4. RESET (AC)• To restore the unit’s setting to factory default- Press once to restore the unit’s setting.13.3.5. TIMER• To change indoor unit indicator’s LED intensity- Press continuously for 5 seconds.13.3.6. TIMER• To change remote control display from Degree Celsius to Degree Fahrenheit.- Press continuously for 10 seconds.Remote Control Printed Circuit BoardJumper A (J-A) Jumper B (J-B) Remote Control No.Short Open A (Default)Open Open BShort Short COpen Short D