See also:

When “CHECK DEVICE” is displayed
This message is displayed under the following conditions. • When there is a short in the USB bus • When a non-corresponding device (for example a USB mouse) is connected • When a non-corresponding ...

Specifications
These specifications are subject to change without notice. ...

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...