Yamaha U1-SILENT Owners Manual - Page 22

AUX IN OUT MIDI OUT MIDI IN USB Example: Using AUX IN ■ When connected to other sound modules or playback devices (such as CD players): You can use the Silent Piano function together with the sound received from the connected devices. You can use the VOLUME control on this unit to simultaneously adjust the volume of its electronic sound and the sound received through its AUX IN jack. Adjust the output volume on the connected device to balance the sounds. Other sound modules OR CD player etc Caution Do not connect the output jack of an analog recording device to this unit's AUX IN jack if you have connected this unit's AUX OUT jack to the input jack of the same recording device. Doing so will cause feedback of the audio signal which may damage both components. 16