Boss DR550IIts Schematic

DR-550mkII

DR. Rhythm

TurboStart

It’s a Fact…

The DR-550mkII Dr. Rhythm is a powerful rhythm composer with a wide variety of percussion sounds and effects. This affordable unit is ideal for home studio and live performance applications featuring 91 16-bit sounds, extensive sound editing parameters and four user-programmable pad banks.

Initializing

1. Hold the -1/< and >/+1 buttons while powering up to restore the factory demo, patterns, sound edits and note-number assignments.

Playing Sounds

1. Press the Drum Pads 1-12 to play the sounds.

2. Press BANK to move between the four pad Banks, A,B,C, and D.

Assigning Sounds to Pads

1. Press SHIFT and Pad 7 to enter Pad Edit.

2. Touch any pad, then use the -1/< and >/+1 buttons to assign any sound to that pad.

3. Press BANK to move between pad banks to choose additional pads to edit.

Playing Patterns

The DR-550mkII comes with 64 preset patterns in Bank B, and an additional 64 user-programmable patterns in Bank A. To play Preset Pattern B11:

1. Hold SHIFT and press Pad 5 to select Pattern Play.

2. Hold SHIFT and press BANK to select Pattern Bank B.

3. Press 1 twice to select Pattern 11.

4. Press START.

5. Press any two number buttons to select another pattern.

Playing a User Pattern

1. Hold SHIFT and press BANK to select Pattern

Bank A.

2. Press 3 and 8 to select Pattern A38.

3. Press START.

4. Press any two number buttons to select another pattern.

Creating Rhythm Patterns

Bank A contains the 64 user-programmable patterns. Patterns A11-A48 contain factory demo patterns, so let's record Pattern A51.

Realtime Recording

1. Press SHIFT and Pad 6 to enter Pattern Edit.

2. Press 5 and 1 to select Pattern A51.

3. Press START.

4. Press TEMPO and the -1/< or >/+1 buttons to set the tempo. Press TEMPO again to return to recording.

5. Press BANK to select the pad bank you wish to play. You can change pad banks while recording to select additional sounds.

6. Play the pads!

7. Press STOP when finished.

Step-Time Recording

1. Press SHIFT and Pad 6 to enter Pattern Edit.

2. Press 5 and 2 twice to select Pattern A52.

3. Use the >/+1 button to select the desired step.

4. Tap the pad you wish to play on the current step.

5. The step will increment, and you can tap the pad or >/+1 for the next step.

6. Repeat Steps 4 and 5 to complete the pattern.

Creating Songs

The DR-550mkII's contains 8 song locations. Like most other drum machines, songs are built by linking patterns together. Before creating a new song, you will probably want to clear the existing song data:

1. Press SHIFT and Pad 2 to enter Song Edit.

2. Press Number 1- 8 to select a song.

3. While holding SHIFT, press CLEAR and ENTER.

Inputting New Patterns Into the Song

1. Press SHIFT and Pad 2 to enter Song Edit.

2. Press SHIFT and BANK to select a bank.

3. Press the number buttons to select a pattern.

4. Press ENTER. The DR-550mkII will move to the next measure, and repeat Steps 2-4 to select the next pattern.

5. Press SHIFT and Pad 1 to enter Song Play once all your patterns have been entered song.

6. Press START to play your song.