[. . . ] Please read all instructions carefully before operation, to ensure your complete understanding and to obtain the best possible performance from the unit. There are no user serviceable parts inside the unit; leave all servicing to qualified service personnel. For security reasons, a numbered ID card is provided with this unit, and the same ID number is imprinted on the unit's chassis. Keep the card in a safe place, as it will help the authorities to identify your unit if stolen. [. . . ] VOL ADJ (volume adjust), [Â05 to +05, initial: 00] Adjust the volume level of each source (except FM), in relation to the FM volume level. The volume level will automatically increase or decrease when you change the source. â· Before making an adjustment, select the source you want to adjust. *2 When you adjust the bass, mid-range, or treble, the adjustment you have made is stored for the currently selected sound mode (iEQ) including "USER. " *3 If you are using a two-speaker system, set the fader level to "00. *5 The adjustment made (LOUD ON/LOUD OFF) will be applied to all sound modes. You can change PSM (Preferred Setting Mode) items listed in the table below and on pages 15 and 16. Selectable settings, [reference page] : The display demonstration will be activated automatically if no operation is done for about 20 seconds, [5]. : The clock time is shown on the display at all times when the power is turned off. : Cancels; pressing DISP will show the clock time for about 5 seconds when the power is turned off, [5]. *1 If the power supply is not interrupted by turning off the ignition key of your car, it is recommended that you select "CLOCK OFF" to save the car's battery. : When the currently received signals become weak, the unit switches to another station (the programme may differ from the one currently received), [9]. : When the currently received signals become weak, the unit switches to another station broadcasting the same programme. : Select either one which mutes the sounds while using a cellular phone. Pressing DISP for more than one second can scroll the display regardless of the setting. Some characters or symbols will not be shown correctly (or will be blanked) on the display. Selectable settings, [reference page] : Frequencies lower than 90 Hz are sent to the subwoofer. LOW POWER : VOLUME 00 Â VOLUME 30 (Select this if the maximum power of the Amplifier gain control speaker is less than 50 W to avoid them from damaging the speaker. WIDE : Increases the tuner selectivity to reduce interference noise between close stations. ) : Subject to the interference noise from adjacent stations, but the sound quality will not be degraded and the stereo effect will remain. To check the other information while listening to an external component KD-G441 can be remotely controlled as instructed here (with an optionally purchased remote controller). Do not install any battery other than CR2025 or its equivalent; otherwise, it may explode. [. . . ] â· After ejecting a disc or removing a USB device, "NO DISC" or "NO USB" appears and you cannot operate some of the buttons. Insert another disc, reattach a USB device, or press SRC to select another playback source. If you change the "AMP GAIN" setting from "HIGH POWER" to "LOW POWER" while the volume level is set higher than "VOLUME 30, " the unit automatically changes the volume level to "VOLUME 30. How to clean the connectors frequent detachment will deteriorate the connectors. [. . . ]