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Thank you, and congratulations on your choice of BOSS DD-20 Digital Delay. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (separate sheet)....
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Contents Main Features How to Use Each Mode.......21 How to Use SOS (Sound On Sound)...21 Installing Batteries................ How to Use TWIST................................22 How to Use WARP..........
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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 show...
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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 produc...
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Making the Connections Mono Connection fig.03 AC Adaptor PSA-series (option) Electric Guitar or or (Electric Bass) Guitar Amplifier Bass Amplifier Mixer Stereo Connection fig.04 AC Adaptor PSA-series ...
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Making the Connections Connecting the Stereo Output and the Effects Processor fig.05 AC Adaptor PSA-series (option) Guitar Amplifier Effector (Bass Amplifier) or Electric Guitar (Electric Bass) Mixer ...
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Making the Connections Mono Send/Stereo Return fig.06a AC Adaptor PSA-series (option) SEND RETURN R RETURN L Electric Guitar Guitar Amplifier (Electric Bass) (Bass Amplifier) Connecting to an MTR or M...
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Operation “Effect On” for the pedal setting and “MANUAL” is selected when the power is turned on. ON/OFF Pedal Operation fig.12 When at “ON” When at “OFF” When at “WARP” or “TWIST” When at “SOS” REC o...
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Operation Panel Operation In order to follow along with the instructions given here, you should start out by having effects switched ON (press the ON/OFF pedal and confirm that the ON/ OFF indicator h...
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Operation Storing Settings (Write Operation) Storing the “MANUAL” Sound in Memory Do not switch off the power while a write operation is in progress. You cannot carry out the Write operation when the ...
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Operation 4. Press the WRITE button. The write operation is completed when the indicator for the write-destination memory begin to flash more rapidly. fig.20 Writing Write Finished Blink Blink rapidly...
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Operation Changing and Storing the “MEMORY” Sound Do not switch off the power while a write operation is in progress. 1. Press the MANUAL/TAP pedal or the SELECT button to change to the “MEMORY” sound...
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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 bu...
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Operation MEMORY/TAP Pedal Operation (Switching Memories) The Pedal mode (1–3) changes the function of the pedals. Use the most appropriate setting for your particular application. The following opera...
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Operation Pedal mode: 3 Pressing the MEMORY/TAP pedal toggles you between MANUAL and the selected memory (shown by the lit indicator). fig.11 MANUAL MEMORY You can also select among Memories 1–4 by pr...
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Part Names and Functions Front Panel fig.24 F.BACK (feedback) Knob DELAY TIME Knob Adjusts the feedback level (or how much This sets the delay time for the sound. the sound is repeated). You can turn ...
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Part Names and Functions Operating the DELAY TIME Knob When adjusting the delay time with the DELAY TIME knob, the setting normally changes in units of one millisecond (or ten milliseconds if the time...
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Part Names and Functions MODE List In this mode, you can record up to 23 seconds of material and repeat- edly play back the phrases from the material. What's more, you can record new phrases and add t...
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Part Names and Functions fig.25 Display DUAL Indicator When the power is turned on, the backlighting comes on, then (SHORT, LONG) goes off again after approximately twenty seconds. This feature is Ind...
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Part Names and Functions Rear Panel fig.26 PHONES Jack INPUT Jacks (A (MONO), B) You can connect headphones here to monitor the This is the input jack for connecting to the sound. output of an electri...
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How to Use Each Mode How to Use SOS (Sound On Sound) 1. Turn the MODE knob to “SOS.” 2. Press the ON/OFF pedal to start recording. Play what is to be used as the basic phrase. The remaining memory is ...
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How to Use Each Mode How to Use TWIST 1. Turn the MODE knob to “TWIST.” 2. Hold down the ON/OFF pedal. The delay sound starts to oscillate, then the oscillation speeds up as its pitch increases. fig.3...
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How to Use Each Mode How to Use TAPE You can have either one or two “playback heads” used for the tape echo effect. Setting this to “2” produces a multi-tap delay effect. 1. Turn the MODE knob to “TAP...
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How to Use Each Mode How to Use DUAL Although DUAL mode features a short delay and long delay connected in series, you can change the delay time for the short delay. 1. Turn the MODE knob to “DUAL.” 2...
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How to Use Each Mode How to Use MODULATE You can change the MODULATE modulation rate and depth settings. 1. Turn the MODE knob to “MODULATE.” 2. Hold down the ON/OFF pedal until “r” appears in the dis...
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How to Use the Tempo Function The DD-20 includes a “Tempo function,” which allows you to specify the delay time in terms of note lengths. The display is switched as shown below each time you press the...
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Indicating the BPM in the Delay Time Display You can switch the DD-20’s time delay display to show the tempo (BPM). If, for example, you already know the BPM of the song you are performing, you can ge...
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Settings Made When the Power is Switched ON You can make the following settings with the operations performed while turning on the power. fig.42 WRITE Button SELECT Button Returns settings to their fa...
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Settings Made When the Power is Switched ON Changing the Pedal Mode Settings Use the following to change the Pedal mode settings. Pedal mode settings are saved even after the power is turned off. 1. S...
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Settings Made When the Power is Switched ON Setting the Output Mode When using the DD-20 while connected to a guitar or bass amp, mixer, or multitrack recorder SEND/RETURN, you can set the output leve...
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Settings Made When the Power is Switched ON Setting the External Pedal Function You can connect an optional foot switch (the FS-5U or FS-5L) to the CTL PEDAL jack and use the pedal for turning the eff...
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Settings Made When the Power is Switched ON 4. Press the WRITE button. After the MEMORY Number indicator begins flashing rapidly, the setting is stored in memory and the unit returns to its ordinary s...
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Settings Made When the Power is Switched ON Changing How Memory Numbers Are Indicated Not only can you confirm the currently selected memory merely by checking the lit MEMORY number indicators, you ca...
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Settings Made When the Power is Switched ON Returning Settings to Their Factory Defaults You can restore the following settings to their original factory values. Memory 1 (p. 12) SMOOTH Memory 2 (p. 1...
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Troubleshooting The power doesn’t come on. Sound is distorted. Is the guitar connected correctly to the INPUT Are the TONE knob positioned correctly? A (MONO) jack? Sounds may become distorted with th...
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Troubleshooting Pressing the ON/OFF pedal does not switch on or off as intended. Is the Pedal mode set to SOS, WARP or TWIST? The pedal functions differently according to the Pedal mode settings. For ...
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Sample Settings SMOOTH (Memory 1) fig.36 Roland SPACE ECHO RE-201 (Memory 2) fig.36 MODE: TAPE HEd2 DUAL (Memory 3) fig.36 MODE: DUAL/SHORT 50 msec
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Sample Settings MODULATE (Memory 4) fig.36 MODE: MODULATE/RATE 80, DEPTH 70 TWIST fig.36 Holding down the ON/OFF pedal produces the twist effect. REVERSE fig.36
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Sample Settings ROOM AMBIENCE fig.36 SLAP BACK ECHO fig.36 MODULATE DOUBLING fig.36 MODE: MODULATE/RATE 25, DEPTH 95
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Setting Memo ( ) fig.36 ( ) fig.36 ( ) fig.36
