User manual SONY CDX-4180

[. . . ] The model and serial numbers are located on the bottom of the unit. Record the serial number in the space provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. [. . . ] Push the SEEK/AMS control up or down to tune in the station that you want to store on the number button. Press the desired number button ((1) to (6)) for two seconds until "MEM" appears. To go back to the normal mode, press again until "MONO" disappears. Each time you press (DSPL), the items alternate between the frequency and time. Note If you try to store another station on the same number button, the previously stored station will be erased. Press the number button ((1) to (6)) momentarily where the desired station is stored. Push the SEEK/AMS control up or down momentarily to search for the station (automatic tuning). Scanning stops when the unit receives a station. Push the SEEK/AMS control up or down repeatedly until the desired station is received. You can connect an optional rotary commander (RM-X4S) with this unit. Rotate and hold the control until you locate the specific point in a track, then release it to start playback. Using the rotary commander Each time you press (SOURCE), the source changes as follows: Pressing (MODE) changes the operation in the following ways; You can enjoy clear and powerful bass sound. The D-bass function boosts the low frequency signal with a sharper curve than conventional bass boost. You can hear the bass line more clearly even if the vocal sound is the same volume. You can emphasize and adjust the bass sound easily with the D-bass control. This effect is similar to the one you get when you use an optional subwoofer system. Moreover, the Digital D-bass* function creates even sharper and more powerful bass sound than Analog D-bass. If you need to mount the rotary commander on the right side of the steering column, you can reverse the operative direction. Press (SOUND) for two seconds while pushing the VOL control. Each source can store the bass and treble level independently. Turn the D-BASS dial to adjust the bass level (1, 2 or 3). Adjust within three seconds after selecting the item. [. . . ] Press the clip inside the front cover with a thin screwdriver, and lever the front cover free. Back of the front panel You can control this unit with the optional rotary commander (RM-X4S). Several labels are supplied with the rotary commander. attach the label that matches the functions of this unit and the mounting position of the rotary commander. [. . . ]