See also:

Locking from Outside
The doors can be locked without a key. To lock the doors, first push the inside lock switch to the "LOCK" position so that the red mark on the switch is not visible, then close the doo ...

Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...

Care of cassette tapes
Proper care of your cassette tapes will extend the tape life and increase your listening enjoyment. Always protect your tapes and cassette cases from direct sunlight, severely cold and dusty con ...