See also:

Warning and indicator lights
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Replacing the battery
CAUTION ● Do not let dust, oil or water get on or in the transmitter when replacing the battery. ● Be careful not to damage the printed circuit board in the transmitter when replacing ...

When “NO USB” is displayed (type D audio)
This message is displayed under the following conditions. - No USB storage devices/iPod® are connected. - A non-connectable USB storage device/ iPod® is connected. Connect a connectable USB s ...