94.3. USBPress M key to choose USB mode. If there is no USB device, the displaywill show “NO” and flicker. If files are not supported or there are nofiles, the display will show “----“.Play control: to play/pause. Short press or to navigatethrough songs. Long press to fast forward or fast reverse.Volume control: short press + or - to increase or reduce thecurrent volume.4.4. BT CONNECTIONPress M key to choose Bluetooth mode. If there is no connection, thedisplay will show “BT” and flicker. When the device is connectedsuccessfully, “BT” will be always on. eWAMPBT+ is displayed in otherdevices as ECLERXXXXXXXXX, where the last 9 digit numbers is thedevice’s serial number. The password can be found in the rear sidelabel.Play control: to play/pause. Short press or to navigatethrough songs. Long press to fast forward or fast reverse.Volume control: short press + or - to increase or reduce thecurrent volume.