User manual SONY WM-F702

[. . . ] You can connect the following external power sources through the DC IN 3 V jack located on the bottom. (When you plug a cord into the DC IN 3 V jack, the internal batteries are automatically bypassed. [. . . ] ) · House current using an AC-E30HG AC power adaptor Do not use cassettes longer than 90 minutes except for long continuous playback. If the tape is playing but no sound comes out, the batteries may be weak. If your Walkman has not been used for a long time, run the Walkman for a few minutes before inserting a cassette. The AVLS selector allows you to limit the maximum volume of your Walkman personal stereo without degrading the sound quality. When the AVLS selector is set to either position 1 or 2 (around 95 dB, 85 dB respectively), the volume will be kept at a moderate level without the degradation of the sound quality, even if you attempt to turn the volume up higher. Align the belt clip with the grooves on the back of the Walkman and slide the belt clip up until you hear a click, to firmly attach it to the Walkman. This will allow you to hear outside sounds and to be considerate to the people around you. If sound drop-out or excessive noise occurs, clean the head and tape path with alcohol. 9 MHz (Other countries) AM: 530 ­ 1, 710 kHz (North America) 531 ­ 1, 602 kHz (Other countries) Power Requirements 3 V DC Batteries AA (R6) × 2 External DC 3 V power sources Battery Life (approximate hours when using the batteries specified below) Battery Playback Radio Sony Alkaline AM3 (N) Sony SUM-3 (NS) 8 hours 4 hours 30 hours 15 hours Cleaning the head and tape path Do not use alcohol, benzine or thinner to clean the case. If you have any question or problem concerning your Walkman, please consult your nearest Sony dealer. [. . . ] If you have any question or problem concerning your Walkman, please consult your nearest Sony dealer. AC power adaptor AC-E30HG Your dealer may not handle some of the above listed accessories. [. . . ]