Thank you, and congratulations on your choice of BOSS CE-20 Dimensional Processor. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (separate sheet). These sections provide important information 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.
Installing Batteries Batteries are supplied with the unit. The life of these batteries may be limited, however, since their primary purpose was to enable testing. Insert the included batteries as shown in figure, being careful to orient the batteries correctly. fig.02 • When turning the unit upside-down, get a bunch of newspapers or magazines, and place them under the four corners or at both ends to prevent damage to the buttons and controls.
Making the Connections • The use of an AC adaptor is recommended as the unit’s power consumption is relatively high. Should you prefer to use batteries, please use the alkaline type. • Noise may be produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing.
Making the Connections Connecting to a Guitar/Bass Amp Monaural Connection fig.03 or Electric Bass AC Adaptor PSA-series (option) Electric Guitar or Bass Amplifier Guitar Amplifier Stereo Connection fig.
Making the Connections Connecting the Stereo Output and the Effects Processor fig.
Making the Connections Connecting to SEND/RETURN on the Guitar/Bass Amp * Match the send output level on the guitar/bass amp and the level setting on the unit. If the PEAK indicator lights up frequently, turn down the output on the guitar/bass amp. * When the guitar/bass amp’s SEND/RETURN level is at +4 dBu, set the LEVEL switch on the rear panel of the unit to +4 dBu. Monaural Send/Monaural Return fig.
Making the Connections Connecting to an MTR or Mixer Monaural Connection fig.07 AC Adaptor PSA-series (option) Electric Guitar (Bass Guitar) MTR Mixer Stereo Connection fig.
Making the Connections Connecting to SEND/RETURN on the MTR or Mixer * Match the send output level on the MTR or Mixer and the level setting on the unit. If the PEAK indicator lights up frequently, turn down the output on the MTR or Mixer. * When the MTR or Mixer’s SEND/RETURN level is at +4 dBu, set the LEVEL switch on the rear panel of the unit to +4 dBu.
Making the Connections Monaural Send/Stereo Return fig.10 AC Adaptor PSA-series (option) SEND RETURN R MTR RETURN L Mixer Stereo Send/Stereo Return fig.
Operation “MANUAL” is selected when the power is turned on. EFFECT ON/OFF Pedal Operation fig.12 When at “ON” ← Lit When at “OFF” ← Not Lit Each press of the EFFECT ON/OFF pedal switches effects on or off. When effects are off, the sound coming in through the INPUT jack is output unchanged. * When direct sound is set to OFF, no signal is output from the OUTPUT jacks when the effects are off. When the effects are turned on, only the effect sound is output.
Operation MANUAL/MEMORY Pedal Operation The Pedal mode (1–3) changes the function of the MANUAL/MEMORY pedal (or the MANUAL/MEMORY pedal used with the EFFECT ON/OFF pedal). Use the most appropriate setting for your particular application. At the factory settings, Pedal mode is set to “1.” When changing the Pedal mode settings, refer to p. 12. Pedal mode: 1 Pressing the MANUAL/MEMORY pedal cycles you through a series of selections, in this order: MANUAL → MEMORY 1 → MEMORY 2 → MEMORY 3 → MEMORY 4 → MANUAL.
Operation Changing the Pedal Mode Settings Use the following procedure when changing the Pedal mode settings. * The pedal mode setting is stored in memory when the power is switched off. 1. Switch off the power. • When running on battery power: Disconnect the connection plug from the INPUT R (MONO) jack. • When running on power from an AC adaptor: Disconnect the plug from the AC ADAPTOR jack. 2. While holding down the SELECT button, switch on the power.
Operation Panel Operation In order to follow along with the instructions given here, you should start out by having effects switched ON (press the EFFECT ON/OFF pedal and confirm that the EFFECT ON/OFF indicator has lighted), and press the MANUAL/MEMORY pedal to switch MANUAL (MANUAL indicator has lighted). Also set the knobs as shown in the illustration. fig.17 7 6 1 4 2 5 3 1. Select an appropriate chorus effect from the six available types. 2. Adjust the chorus rate by rotating the RATE knob. 3.
Operation Storing Settings (Write Operation) Storing the “MANUAL” Sound in Memory Do not switch off the power while a write operation is in progress. 1. Create the sound you want when set to “MANUAL.” 2. Press the WRITE button. The MEMORY indicator and the indicator for the currently selected memory flash, and the CE-20 is put into write standby. fig.19a Write standby Blink Blink 3. Press the SELECT button to select the memory (number) to which you want to store the sound.
Operation 4. Press the WRITE button. The write operation is completed when the MEMORY indicator and the indicator for the write-destination memory begin to flash more rapidly. fig.20 Blink Writing Blink rapidly Write Finished Dark * To cancel the write operation, then before you press the WRITE button, rotate the knob or operate the MANUAL/MEMORY pedal.
Operation Changing and Storing the “MEMORY” Sound Do not switch off the power while a write operation is in progress. 1. Press the MANUAL/MEMORY pedal or the SELECT button to change to the “MEMORY” sound. 2. Operate the knobs to change the sound. * To avoid sudden inadvertent changes in sound, the E.LEVEL, LOW, HIGH, BRILLIANCE, AMBIENCE, RATE, and DEPTH knobs are designed so that the setting does not change unless the knob is first turned as far as the stored setting value.
Operation 4. Press the SELECT button to select the memory (number) to which you want to store the sound. The indicator for the selected MEMORY number flashes. fig.22a Blink Blink 5. Press the WRITE button. The write operation is completed when the MEMORY indicator and the indicator for the write-destination memory begin to flash more rapidly. fig.
Part Names and Functions Front Panel fig.24 LOW Knob Adjusts the chorus sound’s lower range. At the center position, this is flat (no boost or cut; the LOW knob has no effect). HIGH Knob Adjusts the chorus sound’s upper range. At the center position, this is flat (no boost or cut; the HIGH knob has no effect). E.LEVEL (effect level) Knob BRILLIANCE Knob Adjusts the volume of the effect sound. Adjusts the guitar’s harmonic content and the characteristic glistening effect of the chorus sound.
Part Names and Functions MODE List Type Features RICH Chorus with unprecedented breadth and minimal thinning of the sound. BASS Chorus specially tuned for bass that maintains the low end. Great for that bass or heavy guitar sound. ACOUSTIC Chorus tuned especially for acoustic guitar. Ripple is minimized for a natural-sounding chorus effect. STANDARD General chorus sound. A perfect sound suitable for any kind of instrument. DIMENSIONAL D Models the Roland DIMENSION D (SDD-320).
Part Names and Functions fig.25 PEAK Indicator This lights up when the signal is at before cliping. If the PEAK indicator lights up frequently, turn down the E.LEVEL knob. Also check the LOW, HIGH, BRILLIANCE, and AMBIENCE knob settings; if raised, try reducing these settings. If in spite of these measures the PEAK indicator continues to light up, lower the output level of the device connected to the INPUT jacks or set the LEVEL switch to +4 dBu. POWER Indicator This changes the memory 1–4.
Part Names and Functions Rear Panel fig.26 PHONES Jack You can connect headphones here to monitor the sound. INPUT Jacks (R (MONO), L) This is the input jack for connecting to the output of an electric guitar or other instrument or effects processor. For monaural use, make the connection to the R (MONO) jack. “Making the Connections” (p. 3–9) * The INPUT R (MONO) jack also doubles as the power switch when the unit is running on battery power.
Switching the Direct Sound On and Off When the CE-20 is connected to a mixer’s or multitrack recorder’s sends or returns, you can then elect to output only the chorus sound, with the direct sound turned off. Use the following steps to turn the direct sound on and off. 1. Switch off the power. • When running on battery power: Disconnect the connection plug from the INPUT R (MONO) jack. • When running on power from an AC adaptor: Disconnect the plug from the AC ADAPTOR jack. 2.
Changing How Memory Numbers Are Indicated Not only can you confirm the currently selected memory merely by checking the lit MEMORY number indicators, you can also change the pattern in which the indicators light up. Select the pattern that provides the easiest way to check the memory in any particular environment. When using the CE-20 in dimly lit surroundings, you can confirm memory numbers more easily by using the Lighting Pattern 2 setting.
Returning Settings to Their Factory Defaults You can restore the memories (1–4), pedal mode settings, and the direct sound mute settings to their original factory values. Memory Settings Memory 1 (p. 26) SUPER RICH Memory 2 (p. 26) BASS STANDARD Memory 3 (p. 27) DEEP CHORUS Memory 4 (p. 28) CE-1 Pedal Mode (p. 11–12) 1 Direct Sound ON/OFF (p. 22) ON MEMORY Number Indication (p.
Troubleshooting The power doesn’t come on. Sound is distorted. ❍ Is the guitar connected correctly to the INPUT R (MONO) jack? → Check the connections again (p. 3–9). ❍ Are the EFFECT TONE (LOW/HIGH), BRILLIANCE, and AMBIENCE knobs positioned correctly? → Sounds may become distorted with the knobs at certain settings. Turn down one or more of these knobs, or turn down the E.LEVEL knob until the PEAK indicator does not light up too frequently.
Sample Settings RICH fig.27 SUPER RICH (Memory 1) fig.28 BASS STANDARD (Memory 2) fig.
Sample Settings CHORUS FOR HEAVY RIFF fig.30 ACOUSTIC STANDARD fig.31 DEEP CHORUS (Memory 3) fig.
Sample Settings STANDARD ANALOG fig.33 DIMENSIONAL D Roland DIMENSION D (SDD-320) Modeling Sound fig.34 When “DIMENSIONAL D” is selected as the MODE, the RATE knob provides for selection among the SDD-320’s 3 4 1+4 1, 2, 3, 4, 2+4 1+4, 2+4, and 2 3+4 settings. 1 3+4 CE-1 (Memory 4) BOSS CHORUS ENSEMBLE (CE-1) Modeling Sound fig.
Setting Memo ( ) ( ) ( ) fig.36 fig.36 fig.
Specifications CE-20: Dimensional Processor Nominal Input Level -20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Input Impedance 1 MΩ Nominal Output Level -20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Output Impedance 1 kΩ (OUTPUT R (MONO), L) 33 Ω (PHONES) Recommended Load Impedance 10 kΩ Residual Noise Level -93 dBu or less (IHF-A typ.) Controls EFFECT ON/OFF Pedal MANUAL/MEMORY Pedal E.
For EU Countries This product complies with the requirements of European Directive 89/336/EEC. For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
G601730601 ’00-xx-xx-xxx
