42Mode is in standby condition) and press “AC Reset” button and then press “Check” button at remote control.Press “Auto OFF/ON button” to toggle remote control receiving sound.- Short “beep”: Turn OFF remote control receiving sound.- Long “beep”: Turn ON remote control receiving sound.After Auto OFF/ON Button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON Mode isrestarted.13.2. Select Remote Control Transmission Code• There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit. The indoor unitwill only operate when received signal with same transmission code from remote control. This could prevent signal interferencewhen there are 2 or more indoor units installed nearby together.• To change remote control transmission code, short or open jumpers at the remote control printed circuit board.13.3. Remote Control Button13.3.1. SET BUTTON• To check current remote control transmission code- Press for more than 10 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