Yamaha CS1D Owner's Manual - Page 246
EQUALIZER HPF [FREQUENCY] encoder, [VALUE], and [Hz]
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SELECTED INPUT CHANNEL block EQUALIZER section In this section you can make settings for the internal four-band EQ (HIGH, HIGH MID, LOW MID, LOW). Of the four bands, HIGH and LOW EQ can be switched between shelving and peaking, and the HIGH band can also be used as an LPF. You can also use a HPF that is independent of the four-band EQ. 4 2 1 3 5 2 4 3 5 6 EQ ON 9 7 8 EQUALIZER 1 EQ [LPF] switch and LED (HIGH band only) This switch changes the HIGH band EQ to a LPF. The switch LED will light when LPF is selected. In this case, the HIGH band [Q]/[GAIN] encoders will have no effect. 2 EQ [ ] [ ] switch and LED (HIGH/LOW bands only) This switches the HIGH/LOW band EQ type between peaking and shelving. The switch LED will light when shelving is selected. In this case, the HIGH band [Q] encoder will have no effect, and its perimeter LEDs will go dark. 3 EQ [Q] encoder and LEDs This encoder sets the Q (steepness) of each band. Rotating it toward the left will make the Q sharper, and rotating it toward the right will make the Q more gentle. The range of adjustment is 10.0-0.10 (41 steps) for each band. The approximate current value is shown by the perimeter LEDs. 4 EQ [FREQUENCY] encoder, [VALUE] indicator, and [Hz]/[kHz] LEDs This encoder sets the center frequency of each band. The range of adjustment is 20 Hz-20 kHz (121 steps) for each band. The current value is shown by the [VALUE] indicator, and either the [Hz] or [kHz] LED will light to indicate the units of the displayed value. 5 EQ [GAIN] encoder and LEDs This encoder sets the gain of each band. The range of adjustment is -18 dB- +18 dB (0.5 dB steps), and the approximate current value is shown by the perimeter LEDs. 6 [EQ ON] switch This switch turns the entire equalizer on/off. When on, the switch LED will light. 7 [HPF] switch and LED This switch turns the HPF on/off. When the HPF is on, the switch LED will light. This can be turned on/off independently of the fourband EQ. 8 HPF [6 dB/OCT]/[12 dB/OCT]/[18 dB/OCT] switches and LEDs This switch selects the slope of the HPF: 6 dB/OCT, 12 dB/OCT, or 18 dB/OCT. The LED of the currently selected slope will light. 9 HPF [FREQUENCY] encoder, [VALUE], and [Hz]/ [kHz] LEDs This encoder sets the HPF cutoff frequency. The range of adjustment is 20 Hz-600 Hz (60 steps) for each band. The current value is shown by the [VALUE] indicator, and the [Hz] LED will light to indicate the units of the displayed value. 29