15OUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT operation lowers the noiselevel of the outdoor unit by changing the frequency andfan speed on the outdoor unit. This function is conve-nient during night. To start OUTDOOR UNITSILENT operation1. Press “SILENT button”.• “ ” is displayed on the LCD. To cancel OUTDOOR UNITSILENT operation2. Press “SILENT button” again.• “ ” disappears from the LCD.NOTE Note on OUTDOOR UNIT SILENT operation• If using a multi system, this function will work only when the OUTDOOR UNIT SILENToperation is set on all operated indoor units.However, if using priority-room setting, see “Note for multi system” (page 22.)• This function is available in COOL, HEAT, and AUTO modes.(This is not available in FAN and DRY mode.)• POWERFUL operation and OUTDOOR UNIT SILENT operation cannot be used at thesame time.Priority is given to POWERFUL operation.• If operation is stopped using the remote controller or the main unit ON/OFF switch whenusing OUTDOOR UNIT SILENT operation, “ ”will remain on the remote controllerdisplay.CTEMPON/OFFPOWERFULHOME LEAVEMODETIMERFAN SWINGSILENT SENSORON CANCELOFF1, 2