Assessments - 2, GPA: 3.5
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cerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, this manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference. A battery is supplied with the unit. The life of this battery may be limited, however, since its primary purpose was to enable testing. Copyright © 2006 BOSS CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of BOSS CORPORATION. Main Features . Effects processor utilizes COSM technology to transform electric guitar input into beautiful acoustic guitar sounds. . MODE knob allows you to select from a choice of four different acoustic guitar characters (tones). . Features two types of output jacks, one for guitar amps and another for line out jacks, providing you with outputs suited to the connected device. . “BODY” and “TOP” knobs can be used to adjust the acoustic guitar’s characteristic body resonance and harmonics, allowing you to produce a wide variety of tones. . Includes high-quality reverb developed exclusively for the AC-3. COSM (Composite Object Sound Modeling) Composite Object Sound Modeling (COSM) is BOSS/Roland’s innovative and powerful sound modeling technology. COSM analyzes the many factors that make up the original sound, such as the electrical and physical characteristics of the original, and then produces a digital model that can reproduce the same sound. Panel Descriptions 3 12 74 5 6 Panel Descriptions 3 12 74 5 6 1. AC Adaptor Jack Accepts connection of an AC Adaptor (optionally available BOSS PSA-series). By using an AC Adaptor, you can play without being concerned about how much battery power you have left. * If there are batteries in the unit while an AC adaptor is being used, normal operation will continue should the line voltage be interrupted (power blackout or power cord disconnection). * Use only the specified AC adaptor (PSAseries). 2. CHECK Indicator This indicator shows whether an effect is ON/OFF, and also doubles as the Battery Check indicator. The indicator lights when an effect is ON. Panel Descriptions * If this indicator goes dim or no longer lights while an effect is ON, the battery is near exhaustion and should be replaced immediately. For instructions on changing the battery, refer to “Changing the Battery” (p. 16). * The CHECK indicator shows whether the effect is being applied or not. It does not indicate whether the power to the device is on or not. 3. LINE OUT Jack This output jack is used for connecting to mixers, recorders, and other devices that accept line-level input. When a cable is also connected to the G.AMP OUT jack, the output is sent from the LINE OUT jack when the effect is switched on, while the output is muted when the effect is switched off. For details, see “Connections” (p. 8–p. 13). 4. G.AMP (Guitar Amp) OUT Jack This output jack is used for connecting to guitar amps and other effects processors. The effect sound or direct sound is output from here depending on whether the effect is switched on or off. When a cable is simultaneously connected to the LINE OUT jack, the output from the G.AMP OUT jack is muted when the effect is switched on, while the direct sound is output when the effect is switched off. For details, see “Connections” (p. 8–p. 13). 5. Pedal Switch This switch turns the effects on/off. Panel Descriptions Panel Descriptions Thumbscrew When this screw is loosened, the pedal will open, allowing you to change the battery. * For instructions on changing the battery, refer to “Changing the Battery” (p. 16). 7. INPUT Jack This jack accepts input signals (coming from a guitar, some other musical instrument, or another effects unit). * The INPUT jack doubles as power switch. Power to the unit is turned on when you plug into the INPUT jack; the power is turned off when the cable is unplugged. When not using the effects unit, be sure to disconnect the plug from the INPUT jack. 11 128 9 10 8. REVERB Knob This adjusts the amount of reverb applied to the sound. 9. LEVEL Knob This adjusts the volume of the effect sound. Panel Descriptions Panel Descriptions 11. TOP Knob This adjusts the resonance of the sound pro-This adjusts the sense of attack and the harduced by the guitar body, altering the charmonic content of the upper range. acteristic mellowness and breadth of the acoustic guitar sound. 12. MODE Knob Provides for selection of the tone. The knob can be used to select any of four tones. STANDARD This tone is that of the popular Dreadnought acoustic guitar body style. JUMBO This setting provides a tone characteristic of an oversized guitar body, a tone featuring a rich bass response along with a beautiful high end. ENHANCE Providing a sharper attack than the standard tone, this tone does not become masked by the sounds of other instruments, even in bands and ensembles. PIEZO This setting provides the to...