Yamaha AX-890 Owner's Manual - Page 8
Adjusting the BASS and TREBLE, controls, Adjusting the BALANCE control, Selecting the SPEAKER system
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Adjusting the BALANCE control Adjust the balance of the output volume to the left and right speakers to compensate for sound imbalance caused from speaker location or listening room conditions. Selecting the SPEAKER system Because one or two speaker systems can be connected to this unit, the SPEAKERS switches allow you to select speaker system A or B, or both at once. BALANCE l 0l 2 2 3 3 4 L5 4 5R SPEAKERS Adjusting the BASS and TREBLE controls BASS TREBLE BASS : Turn this clockwise to increase (or counterclockwise to decrease) the low frequency response. TREBLE : Turn this clockwise to increase (or counterclockwise to decrease) the high frequency response. Adjusting the continuously variable LOUDNESS control This control provides compensation for the human ears' loss of sensitivity to high and low-frequency ranges at low volume. This control is adjustable to retain full tonal range at any volume level. 1 Set to the "FLAT" position. LOUDNESS 30 dB 0 9 8 67 2 Set to the loudest listening level that you would listen to. VOLUME l8 l6 l4 20 l2 24 l0 28 8 34 6 40 4 50 3 60 70 2 l 0 -dB 3 Turn until the desired volume is gained. LOUDNESS 30 dB 0 9 8 67 8