Yamaha DX7 Product Manual - Page 26
MODULATION WHEEL, FOOT CONTROL, BREATH CONTROL, AFTER TOUCH, First, make sure all modulation is OFF - ram
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a RAM cartridge before submitting the instru- (Actually each operator or "sub-component" of a voice 2. For now, the object is to turn off all modulation. 21 ment for a new battery or repair. See page 49 may or may not be internally programmed to be sensi- Therefore, if the display shows "WHEEL for Cartridge Save and Load descriptions and tive to these modulation sources.) The fourth button, PITCH= ON", use [DATA ENTRY] to turn if off. directions. Please do not try to change the RANGE, lets you set the maximum amount of modula- battery yourself ; expensive damage that is not tion that can be applied to each of the adjacent three covered by your Warranty may result. voice components. The only difference between the four groups of four MODULATION WHEEL FOOT CONTROL BREATH CONTROL AFTER TOUCH FUNCTION controls is the means you use to control the LFO modulation. It can be introduced: A) when you move the modulation wheel at the left of the keyboard, B) when you tilt an FC-3A foot controller plugged into More slider down or press t h i s button to turn off the modulation the MODULATION jack, C) when you blow into the BC-1 breath controller plugged into the BREATH CONT jack, or D) when you press hard on a key (or keys) to activate the after touch sensors within the keyboard. Because the four groups of modulation controls all operate similarly we will concentrate primarily on just one modulation source: the MODULATION WHEEL. First, make sure all modulation is OFF NOTE While you may not be using a given source of modulation, it can still affect the voice if its FUNC- TION control parameters are inappropriately set. SOME SETTINGS COULD RESULT IN LITTLE OR NO AUDIBLE OUTPUT FROM THE SYNTHESIZER. Therefore, to simplify the operation as we go through the following explanations, we first instruct you to turn off all the modulation sources except the MODULA- TION WHEEL. Later when you actually play the instrument, you can turn on the modulation as you wish. 1. If the instrument is not still in FUNCTION mode (upper line of the LCD display showing "FUNCTION CONTROL), press the [FUNCTION] button. Then press [MODULATION WHEEL-PITCH] and see whether the modulation is on. 3. Repeat steps 1 and 2 above, but instead of pressing [MODULATION WHEEL PITCH], press [MODULATION WHEEL- AMPLITUDE] and then [MODULATION WHEEL-EG BIAS]. In each instance, use [DATA ENTRY] as required to turn OFF the modulation. And press this if necessary to ensure all the modulation sources are turned off When we arrange these four groups of FUNCTION controls above one another on this page (for the Modulation Wheel, Foot Control, Breath Control and After Touch), you can see the groups are essentially identical. There are three main components of a voice to which LFO modulation can be applied: to the PITCH, to the AMPLITUDE, or to the EG (envelope generator) BIAS. (The ??? will either be "OFF" or "ON") 4. Now repeat steps 1 through 3 above for the Pitch, Amplitude and EG Bias functions of the FOOT CONTROL, BREATH CONTROL, and AFTER TOUCH groups; in each case. make sure the LCD display indicates the function is OFF or else use (DATA ENTRY] to turn it off. NOTE It is not necessary to press the [RANGE] buttons to set the range for any of these modulation sources because the range has no effect when the modulation is turned off.