Yamaha A-S500BL Owners Manual - Page 8
Rear panel, IMPEDANCE SELECTOR switch - with turntable
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CONTROLS AND FUNCTIONS Rear panel 1 CD input jacks Used to connect a CD player (see page 5). 2 PHONO jacks and GND terminal Used to connect a turntable that uses an MM cartridge, and to ground the terminal (see page 5). 3 Audio input/output jacks Used to connect external components, such as a tuner, etc (see page 5). 4 DOCK jack Used to connect an optional Yamaha Universal Dock for iPod or Wireless System for iPod (see page 10). 5 SUBWOOFER OUT jack Used to connect a subwoofer with built-in amplifier (see page 5). 6 POWER MANAGEMENT switch Enables or disables the automatic power down function (see page 7). 7 SPEAKERS A/B terminals Used to connect one or two speaker sets (see page 5). 8 IMPEDANCE SELECTOR switch See IMPEDANCE SELECTOR switch on this page. 9 Power cable Connect the power cable into the wall outlet (see page 7). ■ IMPEDANCE SELECTOR switch CAUTION Do not change the IMPEDANCE SELECTOR switch while the power of this unit is turned on, as doing so may damage the unit. If the unit fails to turn on, the IMPEDANCE SELECTOR switch may not be fully slid to either position. If this is the case, remove the power cable and slide the switch all the way to either position. Select the switch position (LOW or HIGH) according to the impedance of the speakers in your system. Switch position HIGH LOW Impedance level • If you use one set (A or B), the impedance of each speaker must be 6 Ω or higher. • If you make bi-wire connections, the impedance of each speaker must be 6 Ω or higher. See page 6 for details. • If you use one set (A or B), the impedance of each speaker must be 4 Ω or higher. • If you use two sets (A and B) simultaneously, the impedance of each speaker must be 8 Ω or higher. • If you make bi-wire connections, the impedance of each speaker must be 4 Ω or higher. See page 6 for details. 4 En