User manual SONY XM-752EQX

[. . . ] â· This power amplifier employs a protection circuit* to protect the transistors and speakers if the amplifier malfunctions. Do not attempt to test the protection circuit by covering the heat sink or connecting improper loads. â· Do not use the unit on a weak battery as its optimum performance depends on a good power supply. â· For safety reasons, keep your car audio volume moderate so that you can still hear sounds outside your car. [. . . ] â· OFF SET lights up green during normal operation. The color will change from green to red when the voltage going out to the speaker terminal or the pin jack is too high . â· THERMAL lights up green during normal operation. The color will change from green to red when the temperature rises to an unsafe level. The color will return to green when the temperature returns to normal. 2 Power level indicator Indicates the output levels of both the left and right sides. the scale is calibrated for use with 4 ohms speakers. 3 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. To reduce noise, turn the LEVEL control (gain) of the amplifer to MIN and the volume of the car audio up. 4 DIRECT switch When the DIRECT switch is set to ON, the signal does not go through the low-pass filter, high-pass filter and equalizer circuit. 5 EQUALIZER level control You can change the settings of the five band (50 Hz, 200 Hz, 800 Hz, 3. When the DIRECT switch is set to ON, these filters do not work. Switch settings for each system configuration (Change the switch positions according to the configuration. 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. â· Make sure to place the unit in a well ventilated location. [. . . ] 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. Use the THROUGH OUT terminal when you install more amplifiers. In this case, the signals are output as they are input. [. . . ]