User manual SONY XM-ZR704 annexe 2

[. . . ] If the fuse blows again after replacement, there may be an internal malfunction. This unit can be used as a monaural amplifier with a maximum output of 260 watts. Direct connection can be made with the speaker output of your car audio if it is not equipped with the line output (High level input connection). Low-pass filter, high-pass filter and low boost circuit, separated for both the left and right sides. [. . . ] 2 POWER/PROTECTOR indicator Lights up in green while the unit is in operation. The color will change from green to red and the unit will shut down when the protection circuit is activated due to a malfunction of the unit. 3 LOW BOOST level control Turn this control to boost the frequencies around 40 Hz to a maximum of 10 dB. When the DIRECT switch is ON, this circuit is not activated. When the DIRECT switch is ON, these filters do not work. 6 LEVEL adjustment control The input level can be adjusted with this control when using source equipment made by other manufacturers. Turn it to MAX when the output level of the car audio seems low. 7 DIRECT switch When the DIRECT switch is ON, the signal does not go through the low-pass filter, high-pass filter and low boost circuit. Switch settings for each system configuration (Change the switch positions according to the configuration. The following checklist will assist in the correction of most problems which you may encounter with your unit. Before going through the checklist below, refer to the connection and operating procedures. Do not connect the # terminal of the speaker system to the car chassis, and do not connect the # terminal of the right speaker with that of the left speaker. Install the input and output cords away from the power supply lead as running them close together can generate some interference noise. Therefore, it may not perform to its full potential if used with the speaker cords supplied with the car. If your car is equipped with a computer system for navigation or some other purpose, do not to remove the ground wire from the car battery. If you disconnect the wire, the computer memory may be erased. To avoid short circuits when making connections, disconnect the +12 V power supply lead until all the other leads have been connected. To connect the power supply lead with the clamping connector Connect the power supply lead (yellow) with the extension lead (fuse attached) using the clamping connector as shown below. Power supply lead (yellow) Fil d'alimentation (jaune) Note When you tighten the screw, be careful not to apply too much torque* as doing so may damage the screw. * The torque value should be less than 1 N· Use the THROUGH OUT terminal when you install more amplifiers. The signals are output as they were input. If you connect more than three amplifiers, it may cause problems such as sound dropout. [. . . ] A loose connection may cause a malfunction of the amplifier. Be sure to connect the remote control lead of the car audio to the remote terminal. When using a car audio without a remote output on the amplifier, connect the remote input terminal (REMOTE) to the accessory power supply. Use the power supply lead with a fuse attached (30 A). [. . . ]