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manual abstract
tion concerning 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 © 2001 BOSS CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of BOSS CORPORATION. Features . The BOSS CEB-3 is a chorus unit that is specifically designed for electric bass guitar. . The CEB-3 allows you to select the frequency band to which the chorus effect will apply. That is, you can have the effect applied to the overall sound, or only a specific frequency range if you wish. . Using the two channel outputs, deeper chorus effects can be created. Panel Description Panel Description 2 3 6 4 5 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. * Use only the specified AC adaptor (PSA- Series), and make sure the line voltage at the installation matches the input voltage specified on the AC adaptor's body. Other AC adaptors may use a different polarity, or be designed for a different voltage, so their use could result in damage, malfunction, or electric shock. * As soon as you connect the AC adaptor, the unit is turned on. * If there is battery 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). Panel Description Panel Description 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. * 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 batteries, refer to “Changing the Battery” (p. 11). * The CHECK indicator shows whether the effect is being applied or not, and is used to indicate other effects. It does not indicate whether the power to the device is on or not. 3. OUTPUT A (MONO)/ OUTPUT B Jack The output jacks are used to connect the unit to an amplifier or another effects unit. * For monaural output, use Output jack A. Both the dry and processed signals are output. * For stereo use: Output A: Only the processed signal (pitch modulated sound) is output. The dry (unprocessed) signal is not output. Output B: Only the dry signal is output. The CEB-3 adopts the “space synthesis system” for stereo output. That is, the depth of the effect varies depending on the distance between speakers. Note that lowering a filter control knob or effect level too much will shift the sound image to the Output B position, and therefore diminish the effect. Experiment with different as you play the instrument Panel Description Panel Description Pedal Switch Used for switching effects on/off. 5. Thumbscrew When this screw is loosened, the pedal will open, allowing you to change the battery. * For instructions on changing the batteries, refer to “Changing the Battery” (p. 11). 6. INPUT Jack This jack accepts input signals (coming from a bass guitar, some other musical instrument, or another effects unit). * When running the unit on battery power, the INPUT jack double as power switches. Power to the unit is turned on when you plug into the INPUT jack; the power is turned off when the cable is unplugged. Be sure to disconnect any cord plugged into the INPUT jack when not using this effects device. Panel Description Panel Description 7 8 910 7. E. LEVEL (effect level) Knob This knob adjusts the level of the effect sound (in relation to the input signal). Rotating the knob clockwise increases the level of the effect sound. 8. LOW FILTER Knob This knob controls the lower frequencies of the effect sound. As you rotate the knob clockwise, the chorus effect will be applied to a wider range of lower frequencies. Conversely, rotating the knob counterclockwise will cut lower frequencies, causing only the upper frequencies to take on the chorus effect. 9. RATE (moduration rate) Knob This knob adjusts the speed of the chorus effect. Rotating the knob clockwise increases the speed. 10. DEPTH (moduration depth) Knob This knob adjusts the depth of the chorus effect. Rotating the knob clockwise deepens the effect. Connections OUT 9V DC/200mA Bass Amplifier For monoural use, make the connection to the OUTPUT A (MONO) jack. Connections OUT 9V DC/200mA Bass Amplifier For monoural use, make the connection to the OUTPUT A (MONO) jack. Connections Connections Inserting a plug into the INPUT Jack will automatically switch the unit on. * Noise may be produced if wireless communications devic...