Yamaha REV7 REV7 Owners Manual Image - Page 16
Frequency.
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MOD TYPE "Modulation" effects. Presets 9 through 15. We'll explain the programmable parameters for each preset of this type. • STEREO FLANGE DIRECT SIGNAL (dB) IP 100% 1ST REF. LEVEL MOD. DEPTH REFLECTION L(R)i R(L) 1ST REF. DELAY IN TIAL DELAY DELAY I Ti (TIME) 1. INITIAL DELAY. Range: 0.1 '- 100 msec. Key: INITIAL DELAY. Allows you to program in an additional delay time. The flanged signal will not appear until this delay time has elapsed. 2. 1ST REFLECTION DELAY. Range: 0.1 - 100 msec. Key: 1ST REF. 3. 1ST REFLECTION LEVEL. Range: 0 - 100% of direct signal level. Key: 1ST REF. Same as for REV type presets. 4. DELAY. Range: 0.1 - 100 msec. Key: F3. This sets the basic delay time of the flange effect. This delay time is then modulated periodically by the LFO (a Low Frequency Oscillator, with adjustable frequency, built in to the REV7 specifically for varying delay times periodically in order to produce a variety of modulation effects). This also sets the delay time between each repeat. 5. MODULATION DEPTH. Range: 0 - 100%. Key: F2. This sets the amount by which the LFO varies the delay time. At the maximum setting, the delay time is varied by +1- 4 msec. 6. MODULATION FREQUENCY. Range: 0.1 - 20 Hz. Key: Fl. Sets the speed of the LFO, and hence the rate at which the delay time is modulated. 7. FEEDBACK GAIN. Range: 0 99%. Key: REV TIME. Sets the amount of flange signal which is fed back into the circuit for further modulation. This controls the complexity of the effect, the number of repeats, and its overall. decay time. • REVERB FLANGE Identical to the STEREO FLANGE Preset, except for the FEEDBACK GAIN parameter, which is replaced by a REVERB TIME parameter, range 0.3'-' 10 secs, called by pressing the REV TIME key. The feedback gain of this preset is fixed at 30%. • CHORUS A AND CHORUS B DIRECT SIGNAL (dB) 100% 1ST REF. LEVEL 1ST REFLECTION AM DEPTH DM DEPTH I I 11ST REF. 4mS 4mS (TIME) 0 DELAY 100% 100% INITIAL DELAY 1. INITIAL DELAY. Range: 0.1 - 100 msec. Key: INITIAL DELAY. Allows you to program in an additional delay time. The chorus signal will not appear until this delay time has elapsed. 2. 1ST REFLECTION DELAY. Range: 0.1 - 100 msec. Key: 1ST REF. 3. 1ST REFLECTION LEVEL. Range: 0 - 100% of direct signal level. Key: 1ST REF. Same as for REV type presets. 4. AMPLITUDE MODULATION DEPTH. Range: 0'- 100%. Key: F3. This sets the amount by which the LFO varies the amplitude (level) of the input signal. 5. DELAY MODULATION DEPTH. Range: 0 - 100%. Key: F2. This sets the amount by which the LFO varies the delay time. At the maximum setting, the delay time is varied by 4 msec. 6. MODULATION FREQUENCY. Range: 0.1 - 20 Hz. Key: Fl. Sets the speed of the LFO, and hence the rate at which the delay time and amplitude are modulated. 15