[. . . ] To prevent fire or shock hazard, do not expose the unit to rain or moisture. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. Do not, under any circumstances, place the CD player or any other component on top of the cassette deck receiver HST-471. ­ For CD player CDP-C661/CDP-CX571 ­ The mains lead plug of CDP-C661/CDP-CX571 is a 2-pin type designed to be connected only to HST-471. [. . . ] Use the number buttons (1­9, 0/10 and >10) to select a preset number. To change the AM tuning interval, press BAND repeatedly to select AM, then turn off the power. If "MEMORY" disappears before you select the preset number, press MEMORY again. ⷠThe preset stations are retained for a few days even if you pull off the power cord or if a power interruption occurs. Press MEMORY SCAN again as soon as the station you desire is tuned in. While scanning preset stations, a certain station with a weak signal may be skipped. Use the number buttons (1­9, 0/10 and >10) to select a preset number. After step 1, hold down TUNING + or ­ (or TUNER + or ­ on the remote) for about one second and release it when the frequency indication changes. scanning stops when the system tunes in a station (Automatic Tuning). After step 1, press TUNING + or ­ (or TUNER + or ­ on the remote) repeatedly to select the frequency you want. You can use any type of tape, TYPE-I (normal), TYPE-II (CrO2) or TYPE-IV (metal), since the deck automatically detects the tape type. When you use the remote, press DECK A or B to switch the function of the buttons to either deck A or B. With the side you want to play facing you * The deck automatically stops after playing back five times. Press ) (for front side) or 0 (for reverse side) when the deck is stopped. Press 0 (for front side) or ) (for reverse side) when the deck is stopped. The Dolby NR (noise reduction) system eliminates tape hiss noise by boosting low-level signals in the high-frequency range during recording, then lowering them during playback. You can record from CD, or just the songs you want to record from the middle of the tape. See "Recording from a tape" (page 20) to make a copy of the tape. With the side you want to record on facing you Set to a to record on both sides*. You can record a radio program on a tape by calling up the preset station. To record with the Dolby NR system, set DOLBY NR to B before you start recording. ⷠTo protect recordings against accidental erasure, break out the record-protect tab (see page 26). [. . . ] 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 heads before you start an important recording or after playing an old tape. Do not change the tape operations such as play, stop, and fast-winding etc. Demagnetize the tape heads and the metal parts that have contact with the tape after every 20 to 30 hours of use with a separately sold demagnetizing cassette. [. . . ]