Sony HCD-M300AV Operating Instructions (primary manual) - Page 49

Before placing a cassette in the tape deck Take up any slack in the tape. Otherwise the tape may get entangled in the parts of the tape deck and become damaged. When using a tape longer than 90 minutes The tape is very elastic. Do not change the tape operations such as play, stop, and fast-winding etc. frequently. The tape may get entangled in the tape deck. Cleaning the tape heads Clean the tape heads after every 10 hours of use. When the tape heads become dirty; - the sound is distorted - there is a decrease in sound level - the sound drops out - the tape does not erase completely - the tape does not record Make sure to clean the tape heads before you start an important recording or after playing an old tape. Use separately sold dry-type or wet-type cleaning cassette. For details, refer to the instructions of the cleaning cassette. Demagnetizing the tape heads Demagnetize the tape heads and the metal parts that have contact with the tape every 20 to 30 hours of use with a separately sold demagnetizing cassette. For details, refer to the instructions of the demagnetizing cassette. Troubleshooting If you have any problem using this system, use the following check list. First, check that the power cord is connected firmly and the speakers are connected correctly and firmly. Should any problem persist, consult your nearest Sony dealer. General The display starts flashing as soon as you connect the power cord even though you haven't turned on the power (demonstration mode). • Press DISPLAY when the power is turned off. The demonstration mode appears automatically the first time you connect the power cord. If there is a power outage lasting longer than half a day, redo the following: - Clock setting (see "Step 3: Setting the time" on page 9) - Preset stations (see "Step 4: Presetting radio stations" on page 10) - Timer settings (see "Waking up to music" on page 41 and "Timer-recording radio programs" on page 43). There is no sound. • Turn VOLUME clockwise. • The headphones are connected. • Insert only the stripped portion of the speaker cord into the SPEAKER jack. Inserting the vinyl portion of the speaker cord will obstruct the speaker connections. continued Additional Information 49