Yamaha GEP50 GEP50 Owners Manual Image - Page 10
Accessing, Editing, Parameters, Effect
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/ACCESSING & EDITING THE PARAMETERS FOR EACH EFFECT / Each of the GEP50 effects has a number of internal parameters which may be edited by you to create a sound that is ideally suited to your own specific musical requirements. A complete description of each effect and its parameters is given in "3. DESCRIPTIONS OF THE EFFECTS & THEIR PARAMETERS" ON PAGE 13. Using effect 1 (Mid-Band Drive) as an example, here's how to access and edit effect parameters: Select and recall the effect to be edited (Mid-Band Drive for this example). O Press the PARAMETER button and the first of the selected effect's parameters will appear on the bottom line of the LCD. Each time the PARAMETER button is pressed, the next parameter on the selected effect's "parameter list" will be called. With Mid-Band Drive, for example, the following parameters are called in sequence: Mid -Band Drive DISTORTION=100% Mid -Band Drive TREBLE=1dB V Mid -Band Drive MID FRQ=2.0kHz V Mid -Band Drive MID GAIN=0dB PARAMETER DISTORTION -> TREBLE -4 MID FRQ --> MID GAIN -> BASS -+ TRG. LEVEL -> RELEASE -> BALANCE -> OUT LVL -, and back to DISTORTION Note that the first parameter in the list is returned to if the PARAMETER button is pressed after the last parameter (OUT LVL in this example) has been called. 3 Once the desired parameter has been called, its value is edited by using thelQI and/or IV] buttons. The 61button increases (increments) the value while the ? button decreases (decrements) the value. Either button can be held down for continuous incrementing or decrementing. Mid -Band Drive DISTORTION=100% Mid -Band Drive BASS=0dB Mid -Band Drive TRG. LEVEL=35 Mid -Band Drive RELEASE=525ms Mid -Band Drive BALANCE=100% Mid -Band Drive OUT LVL = 100 `)/O 0 Mid -Band Drive DISTORTION= 60% New value In this way you can go through and edit any number of the parameters to create the sound you want. If, however, you select and recall a new effect without first storing your edited parameters in a memory location between 51 and 00, any changes you have made will be lost and will have to be re-programmed. If you want to keep an edited effect, use the STORE operation described below. 11 GEP50 GUITAR EFFECT PROCESSOR