User manual SONY CDX-828

[. . . ] However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. [. . . ] Make sure the unit does not hinder the movement of the torsion bar spring etc. After installing the unit, align the dials with one of the marks so that the arrow comes as close to a vertical position as possible. Note Be sure to align the left and right dials with the same mark. After changing the position of the switch, be sure to press the reset button on the main unit. Improper setting of the switch may prevent any sound from being reproduced even when the CD changer is activated. When you wish to disconnect the cable, simply push in on both sides of the connector. Be sure to keep the protective cap in a safe place for future use. Notes on the optical cable Observe the following when connecting the cable: -- Do not bend the cable too much. if the bent part (arc) is less than 10 cm (4 in. ) in diameter, sound may not be reproduced. -- Make sure the cable does not get compressed or constricted in any way by objects around it. -- Never let the coupler parts of the connectors get scratched or become contaminated with dirt. -- If this unit is not connected to a car audio compatible with the Sony BUS optical digital transmission system, reinstall the protective cap to its original position. -- Use an optical cable designed for Sony car audio systems. -- Not all optical cables can be used with this CD changer. On a rainy day or in a very damp area, moisture may condense on the lenses inside the unit. [. . . ] With the cut-away portion of the tray facing you, insert the right corner of the tray in the slot, then push in the left corner until it clicks. Note Do not insert the tray upside down or in the wrong direction. A dirty or defective disc may cause sound drop-outs during playback. [. . . ]