[. . . ] € Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. Also avoid places with too much dust or the possibility of water splashing. € If your car’s ignition does not have an ACC position, connect the ignition wires to a power source that can be turned on and off with the ignition key. [. . . ] Fit the unit into the mounting sleeve by using four corners of the trim plate. Parts list for installation and connection The following parts are provided for this unit. 18 5:43:38 PM INSTALLATION (IN-DASH MOUNTING) The following illustration shows a typical installation. If you have any questions or require information regarding installation kits, consult your Kenwood car audio dealer or a company supplying kits. € If you are not sure how to install this unit correctly, have it installed by a qualified technician. € Make sure not to block the fan on the rear panel to maintain proper ventilation when installed. *1 When you stand the unit, be careful not to damage the fuse on the rear. 1 * Al poner la unidad vertical , tenga cuidado de no dañar el fusible provisto en la parte posterior. Fixador (opcional) Flat type screws—M5 x 8 mm (M5 x 3/8") *2 Tornillos tipo plano—M5 x 8 mm (M5 x 3/8 pulgada) *2 Protector Dashboard Tablero de instrumentos Parafusos de cabeça chata—M5 x 8 mm (M5 x 3/8 polegada) *2 Tablier Screw (option) Tornillo (opción) *2 Not included for this unit. Parafuso (opcional) Bracket *2 Ménsula *2 Support *2 Pocket Compartimiento Flat type screws—M5 x 8 mm (M5 x 3/8") *2 Tornillos tipo plano—M5 x 8 mm (M5 x 3/8 pulgada) *2 Parafusos de cabeça chata— M5 x 8 mm (M5 x 3/8 polegada) *2 Bracket *2 Ménsula *2 Suporte *2 Entrada Note: Install the unit at an angle of less than 30˚. When installing the unit on the mounting bracket, make sure to use the 8 mm (3/8")-long screws. Removing the unit Before removing the unit, release the rear section. Insert the two handles, then pull them as illustrated so that the unit can be removed. 18 5:43:40 PM ELECTRICAL CONNECTIONS To prevent short circuits, we recommend that you disconnect the battery’s negative terminal and make all electrical connections before installing the unit. € Be sure to ground this unit to the car’s chassis again after installation. € It is recommended to connect to the speakers with maximum power of more than 50 W (both at the rear and at the front, with an impedance of 4 Ω to 8 Ω). [. . . ] € For amplifier only: – Disconnect the speakers from this unit, connect them to the amplifier. € You can switch off the built-in amplifier and send the audio signals only to the external amplifier(s) to get clear sounds and to prevent internal heat built-up inside the unit. are the “–” terminals of L and R speakers grounded in common? [. . . ]