Boss Dr. Beat DB-30 Manual

Introduction

Before using this unit, carefully read the sections entitled: "USING THE UNIT SAFELY" and "IMPORTANT NOTES." 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. The manual should be saved and kept on hand as a convenient reference.

Main Features

• Comes not only with basic Styles (the way the metronome sound is played) pre-programmed, but also Styles with compound beats.
• You can set the tempo by pressing the TAP button in time with the song tempo (tap input of the tempo).
• You can specify the reference tone in semitone increments over a range of one octave. This is convenient for use in practicing with wind instruments and for tuning (Reference Tone function).
• Features an Auto Power Off function, which automatically turns off the power when the DB-30 is not used for approximately 60 minutes.

Panel Descriptions

1. POWER button
   Turns the power on and off.
   * Always make sure to have the volume level turned down before switching on power. Even with the volume all the way down, you may still hear some sound when the power is switched on, but this is normal, and does not indicate a malfunction.
2. RHYTHM/BEAT button
   Switches the unit to Metronome mode. Switches the TEMPO/RHYTHM/BEAT display.
3. NOTE/PITCH button
   Switches the unit to Reference Tone mode.
4. TEMPO/VALUE button
   Changes the metronome tempo and the values indicated in the display.
5. START/STOP button
   Starts and stops the metronome and reference tone.
6. TAP/MUTE button
   Sets the metronome tempo (Tap function, when the metrono%ne is stopped), and temporarily mutes the sound (Mute function, when the metronome is playing).
7. VOLUME dial
   Adjusts the overall volume.
8. Tempo indicators
   Lights in time with the tempo.
9. Display
   Information in the display is changed depending on the modes.
   * Never strike or apply strong pressure to the display.
10. PHONES jack
    Connect headphones here.
    * To avoid disturbing your neighbors, try to keep the unit's volume at reasonable levels. You may prefer to use headphones, so you do not need to be concerhed about those around you (especially when it is late at night).
    • You can insert a coin in the slit on the bottom of the unit and use the coin as a stand.
    • The strap can be passed through the hole shown in the figure.
    • You can use the clip on the back to set the unit on a music stand.
      

Operation

Using the DB-30 as a Metronome

1. With the power turned on, press the RHYTHM/BEAT button to switch the DB-30 to Metronome mode. When the DB-30 is in Metronome mode, "RHYTHM," "TEMPO," and "BEAT" appear in the display.
2. If "RHYTHM," "TEMPO," and "BEAT" are displayed, press the TEMPO/ VALUE / buttons to set the tempo.
   Holding down the TEMPO/ VALUE or button when setting the metronome tempo causes the values to change more rapidly.
   You can set the tempo within the range of = 30—250.
3. Press the START /STOP button to start the metronome. To stop the metronome, press the START/ STOP button once more.
   * You cannot change the tempo with the TEMPO/VALUE or buttons while "RHYTHM" or "BEAT" isflashing in the display. Ifyou want to change the tempo, press the RHYTHM/BEAT button so "RHYTHM" and "BEAT" stopflashing and remain lit in the display.

Setting the Tempo with Tap Input
While in Metronome mode, with the metronome stopped, you can tap the TAP/ MUTE button two or more times to set the tempo so it matches the timing you've used in tapping the button.
* You cannot change the tempo with the TAP/MLITE button while the metronome is playing.

Setting the Way the Metronome Plays

1. Press the RHYTHM/ BEAT button in Metronome mode so that "RHYTHM" or "BEAT" flashes in the display.
2. Select a Rhythm or a Beat with the TEMPO/VALUEor buttons.
   If "RHYTHM" is flashing in the display, you can select from 9 different Rhythms. If "BEAT" is flashing in the display, you can select from 24 different Beats. Holding down the TEMPO/VALUE or button when setting the beat causes the values to change continuously.

Playing the Reference Tone

1. With the power turned on, press the NOTE/PITCH button to switch to Reference Tone mode. When the DB-30 is in Reference Tone mode, "PITCH" or "NOTE" appears in the display.
2. While "NOTE" is lit in the display, set the note name with the TEMPO/VALUE or buttons. You can set the note name in semitone increments over an octave range from C to B.
   * You cannot change the note name with the TEMPO/ VALUE or buttons while "PITCH" is lit in the display. If you want to change the note name, press the NOTE/PITCH button so "NOTE" is lit in the display.
3. Press the START /STOP button to play the reference tone. Press the START /STOP button again to stop the sound.

Setting the Reference Pitch

1. Press the NOTE/ PITCH button in Reference Tone mode so that "PITCH" is lit in the display.
2. Set the reference pitch with the TEMPO/VALUE or buttons.
   The reference pitch is set in terms of the value of A4, which can be any frequency from 438 to 445 Hz.
   * Ifyou want to change the note name, press the NOTE/ PITCH button so "NOTE" is lit in the display.

What is the reference pitch?
The frequency for A4 (the middle A on a piano) of a note played by an instrument (a piano, for example) as the pitch to which all other performers tune their instruments for performances is called the "reference pitch."

Other Functions
Auto Power Off
The Auto Power Off function works to help prevent unnecessary battery drainage by automatically turning off the DB-30's power if no operation or adjustment is made within 60 minutes after any button is pressed.

• Disabling the Auto Power Off Function
  To disable the Auto Power Off function, first turn off the DB30's power, then hold down the TAP/ MUTE button as you press the POWER button to turn the power back on again.
  The Auto Power Off function is disabled. " "is indicated in the display while the TAP/MUTE button is held down. The Auto Power Off function is enabled again the next time the DB-3C is turned on again.

Changing the Batteries
The display and indicators get dimmer and the volume starts to drop when the battery starts running down. Replace the battery as soon as possible.
* The settings stored in the memory are reset to the default factory settings if the batteries are removed from the DB30, or if the batteries get completely depleted.
* When turning the unit upside-down, handle with care to avoid dropping it, or damaging the buttons and controls.

1. Removed the screw from the battery cover.
2. Slide off the cover.
3. Remove the old batteries from the compartment.
4. Insert the same type of fresh lithium battery.
   * Make sure the "+" and "-" ends of the battery are oriented correctly.
5. Securely close the battery cover, and fasten the screw.

Restoring the Factory Settings
This returns all settings on the DB-30 to the values they had when the unit shipped from the factory.

1. Hold down the START/ STOP button as you press the POWER button to turn the power on.
   is indicated in the display while the START / STOP button is held down.
   All of the settings are restored to their original factory status.

Factory Settings
Tempo: 120
Beat: 4
Rhythm:
Reference Tone: A
Reference Pitch: 440Hz
Mute: Off

Main Specifications

• Metronome
  • Tempo: =30-250 (Accuracy: ±0.1%)
  • BEAT: 0-9, 2+3, 3+2, 3+4, 4+3, 4+5, 5+4, 5+6, 6+5, 6+7, 7+6, 7+8, 8+7, 8+9, 9+8 (24 kinds)
  • RHYTHM: Quarter note , Eighth note , Eighth rest and eighth note , Triple , Triple with center rest , Sixteenth note , Sixteenth note with sixteenth rest , CLAVE 1 , CLAVE 2 (9 kinds)
• Reference Tone
  • Reference Pitch: A4 = 438 Hz-445 Hz (1 Hz steps)
  • Reference Tone Range: C4-B4 (Accuracy: ±1 cent)
• Auto Power Off function: Turns unit off after 60 min.
• Memory function: Stores the settings when the power is turned off. (The Mute status is not stored in memory.) •
• Indicators: LCD Display, Tempo Indicator LED x 2
• Connector: PHONES Jack (Stereo miniature phone type)
• Power Supply: CR2032 lithium battery x 1
• Power Consumption: 10 rnA or less (with reference tone sounding)
  • Expected battery life under continuous use:
    Approximately 20 hours
    * These figures will vary depending on the actual conditions of use.
• Dimensions: 61 (W) x 90 (D) x 20 (H) mm / 2-7/16 (W) x 3-9/16 (D) x 13/16 (H) inches
• Weight: 70 g / 3 oz (including batteries)
• Accessories: CR2032 lithium battery, Owner's Manual
  * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

USING THE UNIT SAFELY

INSTRUCTIONS FOR THE PREVENTION OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS

About WARNING and CAUTION Notices

G	Used for instructions intended to alert the user to the risk of death or severe injury should the unit be used improperly.
	Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly. * Material damage refers to damage or other adverse effects caused with respect to the home and all its furnishings, as well to domestic animals or pets.

About the Symbols

	The symbol alerts the user to important instructions or warnings. The specific meaning of the symbol is determined by the design contained within the triangle. In the case of the symbol at left, it is used for general cautions, warnings, or alerts to danger.
	The symbol alerts the user to items that must never be carried out (are forbidden). The specific thing that must not be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the unit must never be disassembled.
	The symbol alerts the user to things that must be carried out. The specific thing that must be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.

ALWAYS OBSERVE THE FOLLOWING

Do not open (or modify in any way) the unit.
Before using this unit, make sure to read the instructions below, and the Owner's Manual.
Do not attempt to repair the unit, or replace parts within it (except when this manual provides specific instructions directing you to do so). Refer all servicing to your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information."
Never use or store the unit in places that are:

• Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat-generating equipment); or are
• Damp (e.g., baths, washrooms, on wet floors); or are
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.

Make sure you always have the unit placed so it is level and sure to remain stable. Never place it on stands that could wobble, or on inclined surfaces.
This unit, either alone or in combination with headphones, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level, or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should immediately stop using the unit, and consult an audiologist.
Do not allow any objects (e.g., flammable material, coins, pins); or liquids of any kind (water, soft drinks, etc.) to penetrate the unit.
Immediately turn the power off, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information" when:

• If smoke or unusual odor occurs
• Objects have fallen into, or liquid has been spilled onto the unit; or
• The unit has been exposed to rain (or otherwise has become wet); or
• The unit does not appear to operate normally or exhibits a marked change in performance.

In households with small children, an adult should provide supervision until the child is capable of following all the rules essential for the safe operation of the unit.

• Protect the unit from strong impact. (Do not drop it!)
• Batteries must never be recharged, heated, taken apart, or thrown into fire or water.
  
• Keep lithium batteries out of reach of small children. If a child has accidentally swallowed a battery, see a doctor immediately.
• Lithium batteries must never be recharged, heated, taken apart, or thrown into a fire or water.

• Try to prevent cords and cables from becoming entangled. Also, all cords and cables should be placed so they are out of the reach of children.
• Never climb on top of, nor place heavy objects on the unit.
• Disconnect all cords coming from external devices before moving the unit.
• 
  If used improperly, batteries may explode or leak and cause damage or injury. In the interest of safety, please read and observe the following precautions.
  • Carefully follow the installation instructions for batteries, and make sure you observe the correct polarity.
  • Remove the batteries whenever the unit is to remain unused for an extended period of time.
  • Never keep batteries together with metallic objects Or such as ballpoint pens, necklaces, hairpins, etc.
• Used batteries must be disposed of in compliance with whatever regulations for their safe disposal that may be observed in the region in which you live.
• Use only the specified type (model no. CR2032) of lithium battery. Be sure to insert it as directed (to ensure correct polarity).
• Used lithium batteries must be disposed of in compliance with whatever regulations for their safe disposal that may be observed in the region in which you live.
• Should you remove the screw from the battery cover, keep them in a safe place out of children's reach, so there is no chance of them being swallowed accidentally.

Maintenance

• For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth.
• Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.

Additional Precautions

• Please be aware that the contents of memory can be irretrievably lost as a result of a malfunction, or the improper operation of the unit. To protect yourself against the risk of loosing important data, we recommend that you write down important data you have stored in the unit's memory on paper.
• Please be aware that all data contained in the unit's memory may be lost when the unit is sent for repairs. Important data should always be written down on paper (when possible). During repairs, due care is taken to avoid the loss of data. However, in certain cases (such as when circuitry related to memory itself is out of order), we regret that it may not be possible to restore the data, and Roland assumes no liability concerning such loss of data.
• Use a reasonable amount of care when using the unit's buttons, sliders, or other controls; and when using its jacks and connectors. Rough handling can lead to malfunctions.
• When connecting / disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing shorts, or damage to the cable's internal elements.
• When you need to transport the unit, package it in the box (including padding) that it came in, if possible. Otherwise, you will need to use equivalent packaging materials.

Information
When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below.