Boss DD-3 Owner’s Manual
![Boss DD-3 manual cover](/images/3e48439fd13378600076826d/thumbs/thumb175x175.webp)
To connect the Boss DD-3, plug your guitar into the input jack labeled "INPUT," and connect an instrument cable from the "OUTPUT" jack to your amplifier's input. Ensure the pedal is powered either by a 9V battery or an AC adapter.
The Boss DD-3 features three main delay modes: Short, Medium, and Long. These modes can be adjusted using the "Mode" knob to set different delay times ranging from 12.5ms to 800ms.
To achieve a slapback delay effect, set the "Mode" knob to the Short setting, adjust the "E.Level" to about 11 o'clock, "F.Back" to minimum, and "D.Time" to your preference for a quick repeat.
Ensure that the power supply is a 9V DC adapter with at least 200mA output. Check the connections for proper polarity, as the Boss DD-3 requires a center-negative plug. Also, verify that the power supply outlet is functional.
Use the "D.Time" knob to adjust the delay time within the selected mode range. The knob allows fine-tuning of the delay duration based on the mode selected (Short, Medium, Long).
If distortion occurs, check the "E.Level" setting and reduce it if it's too high. Ensure your amplifier's input level is not overly saturated and try using a buffer pedal if you have a long signal chain.
The Boss DD-3 is a mono pedal with a single input and output. To use it in a stereo setup, you can place it in one channel of a stereo rig, but the output will remain mono.
Keep the pedal clean by wiping it with a dry cloth. Avoid exposure to extreme temperatures and humidity. Regularly check and replace the battery or ensure your power supply is in good working condition.
Store the Boss DD-3 in a cool, dry place away from direct sunlight. Remove the battery if not using the pedal for an extended period to prevent leakage. Use a pedalboard case for additional protection.
The Boss DD-3 does not have a factory reset feature. To revert settings, manually adjust the knobs to their default positions. If experiencing issues, ensure cables and power sources are checked.