HOW TO USEGB20EnglishTROUBLESHOOTINGProblem Cause and RemedyThe unit will not operate at all. • The power cord has been disconnected from AC inlet. ( See page GB12 )• The power plug has been disconnected. ( See page GB12 )• The main power switch on the unit has been set to the "Ο" (OFF) position.( See page GB12 )• A course has not been selected on the controller.• The operation signal of the controller is not transmitted to the unit.» Check the transmitter and operation range of the controller before using it.( See page GB8 )(When the operation signal is transmitted to the unit, a "beep" sound isproduced by the unit for confirmation.)No sound is produced.No vibration is produced.• The sound volume or vibration volume is set to the minimum. ( See page GB17 )• The connected music source has not been played. ( See page GB18 )• The sound volume of the connected music source is set to the minimum.( See page GB18 )• The music source is disconnected during the operation.When you connect an external music source to the unit, the sound output willbe from the external music source mode.If you want to listen to the music preinstalled in the unit again, turn the poweroff once using the controller.(When the power is turned off, the music source is reset to the built-in sound.)Noise is heard. • The unit is affected by strongly magnetized equipment such as TVs.» Turn off the power of TVs and similar device or place them away from the unitwhere noise is not heard.The unit does not respond to thecontroller.• The operation signal of the controller has not been transmitted to the unit.» Check the transmitter and operation range of the controller before using it.( See page GB8 )(When the operation signal is transmitted to the unit, a "beep" sound isproduced by the unit for confirmation.)• The batteries might have lost their charge.Sound quality is poor. • This product is designed to use swing, vibration and sound for relaxation.The sound quality of the unit is poorer than an ordinary audio device becausesound is only a secondary support function.The unit has been damaged. • Stop using the unit immediately.The power cord or power plug isabnormally hot.• Stop using the unit immediately.