Yamaha Q2031 Q2031 Owners Manual Image - Page 4
Precautions, Front, Pannel
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PRECAUTIONS • LOCATION Do not install the Q2031 in location where it might be subjected to the following; o Direct sunlight or excessive heat o Extreme cold o High humidity or dust o Strong vibrations • HANDLING Do not apply undue force to the switches or controls. • POWER CORD Pull the power cord from the wall outlet by the plug only. Never pull on the cord as this may lead to breaking or shorting. • CONNECTIONS Turn off all equipment power switches before making any connections. Before moving the Q2031, disconnect cords to other equipment to avoid damaging connectors and cables. • CABINET CLEANING AND CARE Wipe the Q2031 cabinet clean with a soft, dry cloth. Do not clean it with benzene or other solvents and avoid spraying insecticides near it. • LIGHTNING If your area is prone to lightning strikes, unplug the Q2031 power cord during storms to prevent lightning induced transients on the power lines from damaging the equipment. FRONT PANNEL 00 0 o YAMAHA -._0{01 GRAPHIC EQUALIZER PAN. MODEL O2031 HIV POwER ....OND•CHF 0 O 0 500 630 800 CH A 5h CH 0 O POWER switch When this switch is pressed to turn power on, the POWER indicator LED will light. Pressing the switch again turns the power off. 0 RANGE switches The RANGE switches select the filter boost or cut range for the respective channels. When the switches are off, the normal range of +7-12 dB is selected; when on, the +/-6 dB range is selected. This latter range is useful for very accurate equalization. When the Range switch is on, the LED indicator to its left lights to show that the +/-6dB range is in effect. HPF (High Pass Filter) switches Each channel has an independent HPF switch to switch the HPF in or out of the audio path before the graphic equalizer section. With the HPF switch off, the input signal goes directly to the equalizer, bypassing the HPF. When the HPF switch is on, the HPF is switched into the audio path and provides 12 dB per octave rolloff below the frequency set by the HPF frequency control 0 . LED indicators associated with each switch light when the switch is on to show that the HPF is being used. 3