Dr. Rhythm Its a Fact
With the DR-3 Dr. Rhythm, you can add incrediblesounding drums and bass to your music. This ultraaffordable drum machine includes some of BOSS best acoustic and electronic drum kits and an ample selection of bass sounds. Great for jamming, Rhythm Progressions and variations make it easy to create a realistic-sounding drum track for any style of music. And with Total Sound Control (TSC), you can tweak your kits to perfection. Features include: Great tool for writing, jamming or practice Realistic drum, percussion and bass sounds with velocity-sensitive pads New Rhythm Progressions with 3 variations each for intro, verse, fill and ending New TSC with Sound Shape and Ambience features for professional drum sounds 100 preset styles and 100 user styles programmable via realtime or step recording Footswitch input for easy live control; runs on AC or battery power

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Selecting a Styles Patterns Manually
The DR-3 has a huge variety of different styles. Each style contains eight rhythm patterns; Intro, Fill-In A, Verse A, Fill-In B, Verse B, Fill-In C, Verse C and Ending. Use the following procedure to play patterns manually: 1. With playback stopped, press MANU so its lit to enter Manual mode. 2. Turn the VALUE dial to scroll through and select one of the preset styles. 3. Press INTRO/START to start playback. 4. Press the desired patterns pad to play the pattern. When you press VERSE A, VERSE B or VERSE C, the pattern for the pad youve pressed starts playing as soon as the pattern thats currently playing is done. When you press FILL A, FILL B or FILL C, the fill-in plays as soon as the currently playing pattern is done, followed by the fills corresponding verse pattern. Note: After Fill-In A plays, Verse A plays. After Fill-In B, Verse B plays, and after Fill-In C, Verse C plays. 5. To stop playback, press ENDING/STOPat the end of the current pattern, the Ending pattern plays and playback stops.
Listening to the Demo Song
The DR-3 contains a demo song that shows what it can do. To listen to the demo: 1. Hold down the MANU button and press AUTO to switch to Demo modethe demo starts playing. 2. Press STOP to stop the demo. To restart the demo, press START. 3. To exit Demo mode, press STOP and then press the MANU button.

Using Variations

You can use the three VARIATION buttons to add variety to the performance, even with the same Style. Use the following procedure to try it out: 1. With the performance stopped, press MANU so it is lit. 2. Turn the VALUE dial to select a preset style. 3. Press INTRO/START to start the performance from the beginning. 4. Press PTN under the VARIATION section so it is lit. The variation for the current Pattern is played. 5. Press KIT under the VARIATION section so it is lit. The drum set and bass sounds will change. 6. Press MUTE under the VARIATION section so its lit. Parts of the pattern will be muted. 7. Press ENDING/STOPat the end of the current pattern, the Ending pattern plays and playback stops.
Playing Patterns Automatically
In Auto mode you can automatically play a preprogrammed series of patterns belonging to the current style, leaving your hands free to play along on another instrument. Heres how to use Auto mode. 1. With playback stopped, press AUTO so its lityoure now in Auto Mode. 2. Turn the VALUE dial to scroll through and choose one of the various preset styles. 3. Press INTRO/START to start playback from the beginning of the song. As each pattern plays, its button lights. The song continues playing over and over until you end playback. 4. To stop playback, press ENDING/STOPat the end of the current pattern, the Ending pattern plays and playback stops.

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Dr. Rhythm Changing Tempo
Use the following procedure to set the playback tempo as desired: 1. Press the TEMPO (TAP) button. 2. Turn the VALUE dial to set the tempo. The tempo can be set to any value from 20 to 260. 3. Press EXIT to return to the previous screen. Note: You can also set the tempo by pressing or tapping the TEMPO (TAP) button at least four times at the tempo you want to use.
10. Press AMBIENCE so its lit to apply the Ambience effect youve selected. 11. Press EXIT to return to the previous screen. 12. Press ENDING/STOPat the end of the current pattern, the Ending pattern plays and playback stops.
Muting the Bass or Drum Part
Use the following procedure to hear only the bass or only the drums on the DR-3: 1. Press EDIT. 2. Press 4 to select SYSTEM. 3. Press ENTERSYSTEM Output appears on the display. 4. To hear only the drum part, turn the VALUE dial to select DRUM. 5. To hear only the bass part, turn the VALUE dial to select BASS. 6. Press EXIT twice to return to Pattern mode and to hear the pattern play only with the selected instrument. Note: This setting remains stored in the DR-3's internal memory when its turned off.

Changing Key

You can play styles in different keys by transposing the bass part. This feature is called Key Shift. Use the following procedure to change the playback key: 1. Press the KEY SHIFT button. 2. Set the new key by turning the VALUE dial. You can set the Key Shift value within a range of 12 to +12 semitones, one octave down to one octave up. 3. Press EXIT to return to the previous screen. To return to the original key, press KEY SHIFT, and then turn the VALUE dial to select 0.
Using Total Sound Control
TSC, short for Total Sound Control, is a feature that lets you change the DR-3s sound. TSC includes two types of effects. Sound Shape changes the overall tone of the sound. Ambience creates the simulated physical space in which the sound plays. Use the following procedure to experiment with the TSC functions: 1. With playback stopped, press MANU or AUTO so its lit. 2. Turn the VALUE dial to scroll through and select one of the various preset styles. 3. Press INTRO/START to start the performance. 4. Press SOUND SHAPE so its not lit. 5. Turn the VALUE dial to select a Sound Shape effect. 6. Press SOUND SHAPE so its lit to apply the Sound Shape effect youve selected. 7. Press EXIT to return to the previous screen. 8. Press AMBIENCE. 9. Turn the VALUE dial to select an Ambience effect.