See also:

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 ...

Recommended clutch fluid
Refer to “Fluids”. Never use different brands of clutch fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. ...

When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged or scratched, and also check that the disc is inserted correctly. This message may appear when using some CD-RW discs. ...