Yamaha SLB300PRO SLB300 SLB300PRO Owners Manual - Page 10

 Battery Case/External Output (LINE OUT) Jack Battery case Two AA batteries (alkaline or nickel hydride) External output (LINE OUT) jack NOTICE • Sound will not be output if you connect headphones to the LINE OUT jack of this product. • When making connections to the LINE OUT jack, be sure to use a standard monaural phone plug cable. Mixer, recorder, bass amplifier, powered speaker, electric tuner, etc.  Controls t y q[POWER] (power switch) This switch turns the power for the built-in SRT POW- w ERED preamplifier on and off. e NOTE • This product is designed so that the power can be turned on only when a plug (cable) is inserted into the LINE OUT r jack. When a plug is not inserted into the LINE OUT jack, the power will remain off regardless of the position of the power switch. u • If the power switch is off while a plug (cable) is inserted i into the LINE OUT jack, the Piezo Pickup signal will be directly output to the LINE OUT jack (passive output). Passive output is used in emergency situations when there are no batteries, or when using sound reproduction on an external device, such as a preamplifier. • Since the power is turned off during passive output, the SRT POWERED preamplifier will not operate. Except for q the power switch, the knobs on the control panel will all be disabled. Power Switch and LINE OUT Jack Status Correspondence Table LINE OUT jack Plug inserted Plug not inserted Power switch ON OFF Power on SRT POWERED preamplifier operating Power off Passive output Power off Not operating 9 SLB300 PRO SLB300 Owner's Manual