The Ringtone Volume Of An Iphone Does Not Change; Are You Using A Compatible Usb Device - Sony STR-DN1060 Parts And Controls

The ringtone volume of an iPhone does not change.

Adjust the ring volume using the controls on the iPhone.
[251] Troubleshooting

Are you using a compatible USB device?

If you connect an incompatible USB device, the following problems may occur.
The USB device is not recognized.
File or folder names are not displayed on this receiver.
Playback is not possible.
The sound skips.
There is noise.
Distorted sound is output.
[252] Troubleshooting
There is noise, skipping, or distorted sound.
Turn off the receiver, reconnect the USB device, and then turn on the receiver.
The music data itself contains noise, or the sound is distorted.
[253] Troubleshooting
A USB device is not recognized.
Turn off the receiver, then disconnect the USB device. Turn on the receiver again and
reconnect the USB device.
Connect a compatible USB device.
The USB device does not work properly. Refer to the section on how to deal with this
problem in the operating instructions of the USB device.
USB devices
USB devices
USB devices