Help GuidePersonal Audio SystemSRS-ZR7Listening to music on a USB flash driveYou can connect a USB flash drive to the USB-A port ( A) directly.You can also use a commercially-available USB cable to connect a USB device.Music stored in a USB flash drive connected to the USB-A port ( A) can be played back by a smartphone, iPhone, etc.installed with SongPal.You can play back high-resolution audio format files by connecting a USB flash drive of Hi-Speed USB standard or more, to theUSB-A port ( A).For details on file formats, refer to the operating instructions supplied with your USB flash drive.Connect the USB flash drive to the USB-A port ( A).1Tap the FUNCTION button repeatedly until the USB-A indicator lights up.2The speaker switches to the USB-A mode, and the USB-A indicator lights up in white.3Operate SongPal as a remote controller to play back music.4Tap -/+ (volume) buttons to adjust the volume.When you tap the -/+ (volume) buttons, the (power) indicator flashes once or three times according to the volumeadjustment.5182