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Owner’s Manual
AC DC
AC & BATTERY
POWERED
FET
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Thank you, and congratulations on your choice of BOSS BF-3 Flanger. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (separate sheet). These sections provide important informa- tion 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 man- ual should be read in its entirety. The manual should be saved and kept on hand
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Features Stereo output gives your sound greater breadth along with a deep effect that imparts a sense of three-dimensional rotation. Includes a new “ULTRA” mode for a more intense flanging effect. Also features a “GATE/PAN” mode. When outputting in mono, a slicer effect is add- ed to the flanging sound, resulting in a “gate flanger” effect; and when using stereo output, you get a flanging effect that is panned three-dimensionally across the sound field. Includes a “MOMENT
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Panel Description fig.01 1. AC Adaptor Jack 1 2 Accepts connection of an AC Adaptor (op- tionally available BOSS PSA-Series). By using an AC Adaptor, you can play with- out being concerned about how much bat- tery power you have left. * Use only the specified AC adaptor (PSA- Series), and make sure the line voltage at the 3 installation matches the input voltage 4 specified on the AC adaptor's body. Other AC adaptors may use a different polarity, or be designed for a different voltag
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Panel Description 2. CHECK Indicator 3. OUTPUT A (MONO)/ OUTPUT B Jack This indicator shows whether an effect is The output jacks are used to connect the ON/OFF, indicates the tempo (TEMPO unit to an amplifier or another effects unit. mode: p. 11–12), and also doubles as the For monaural use, make the connection to Battery Check indicator. the OUTPUT A (MONO) jack. The indicator lights when an effect is ON. 4. GUITAR IN Jack * If this indicator goes dim or no longer lights whil
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Panel Description on when you plug into the GUITAR IN or BASS IN jack; the power is turned off when the cable is unplugged. Be sure to disconnect any cord plugged into the GUITAR IN or BASS IN jack when not using this effects device. 6. Pedal Switch Used for switching effects on/off, and for inputting the tempo. 8 9 10 11 12 * You cannot input the tempo in MOMENTARY fig.02 mode. 8. MANUAL Knob 7. Thumbscrew Adjusts the center frequency to which the When this screw is loosen
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Panel Description 9. RES (resonance) Knob 12. MODE Knob Adjusts the amount of resonance (feed- Selects the flanger effect and pedal mode. back). The more the knob is turned to the ULTRA: right, the more the flanger sound is em- Provides a stronger flanger effect than phasized, and the stronger the characteris- STANDARD. tic effect in the sound becomes. STANDARD: Provides a normal flanger effect. 10. DEPTH Knob GATE/PAN: Adjusts the sweep depth. The effect deep- When pla
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Connections fig.03 AC Adaptor BOSS PSA-series (option) OUT 9V DC/200mA Electric Guitar Bass Guitar Guitar Amplifier (Bass Amplifier) For monoural use, make the connection to * The GUITAR IN jack is given priority. the OUTPUT A (MONO) jack. 8
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Connections * Inserting a plug into the GUITAR IN or BASS IN Jack will automatically switch the unit on. * 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 produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing. Should you experien
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Operating the Unit fig.05 2. Select the mode with the MODE knob. * When MOMENTARY is selected, the CHECK indicator light goes off, and the effect is switched off. Hold the pedal down when using the following settings in MOMENTARY mode (the effect is on only while the pedal is depressed). 3. Set the flanging rate with the RATE knob. 5 6 4 3 2 4. Set the sweep depth with the DEPTH knob. 5. Set the center frequency to which the 1. When you have made the necessary effect i
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Setting the RATE by Inputting the Tempo with the Pedal Switch When Switching to Tempo Input with the Effect ON (CHECK indicator: Red) * RATE cycles for use with the tempo settings can be made in the range of 0.1–18 seconds. fig.06 Red Off Red/Green Blinking Red CHECK Indicator Flanger Effects On Off On Off Pedal Switch Press and hold Press and hold Press the BF-3’s pedal the BF-3’s the BF-3’s 1 2 3 pedal switch pedal switch switch in timing with the for at least two for at least tw
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Setting the RATE by Inputting the Tempo with the Pedal Switch When Switching to Tempo Input with the Effect OFF (CHECK indicator: Off) * RATE cycles for use with the tempo settings can be made in the range of 0.1–18 seconds. fig.07 Off Red Red/Green Blinking Red CHECK Indicator Flanger Effects Off On On Off Pedal Switch Press and hold Press and hold Press the BF-3’s pedal the BF-3’s the BF-3’s 1 2 3 pedal switch pedal switch switch in timing with the for at least two for at least t
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Setting the RATE by Inputting the Tempo with the Pedal Switch Relationship Between the Flanger and Gate Effects * The gate effect switches on and off 32 times over the period of the flanger effect's rise and fall. * If you want to have the gate working on eighth notes, press the pedal switch at the beginning of the fourth measure of the song you want to have synchronized. fig.08 Frequency High Flanger Flanger Flanger Flanger Rise Fall Rise Fall GATE Effects Low 16 Times 16 Times 16 Times
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Changing the Battery When the indicator goes dim or no longer 1. Loosen the thumbscrew at the front of lights while an effect is on, it means that the the pedal, then lift the pedal upwards battery is nearly dead and must be replaced. to open the unit. Replace the battery following the steps below. * The thumbscrew can be left in the pedal while * This device consumes considerable power, so use of changing the battery. the AC adaptor is recommended. When powering 2. Rem
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Troubleshooting * The CHECK indicator shows whether the Power won’t come on: effect is being applied or not, and is used to Is the specified adaptor (PSA-series; indicate other effects. It does not indicate sold separately) properly connected? whether the power to the device is on or not. Check the connection once more (p. 8). * Never use any AC adapter other than one CHECK indicator doesn’t light: specified for use with the BF-3. Is the MODE knob set to MOMEN- Is t
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Troubleshooting Could the level of the sound being in- No sound / Low volume: put be excessive? Is the BF-3 properly connected to your With some guitars, distortion may be instrument? produced. Be careful of your guitar's Check the connection once more (p. 8). output level. Is the volume turned down on any guitar amp or effects device you have connected? Can’t input the tempo: Are you inputting to both the GUI- Is the MODE knob set to MOMENTARY? TAR IN an
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Setting Samples For Guitar Standard Flanger Stereo Flanger fig.10 fig.12 Stereo Out Ultra Flanger Rotary Flanger fig.11 fig.13 Stereo Out 17
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Setting Samples For Guitar Gate Flanger Tremolo Flanger fig.14 fig.16 OUTPUT A OUTPUT B (MONO) Chorus Sound Fixed Flanging fig.15 fig.17 18
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Setting Samples For Bass Strong Flanging Vibrato Sound fig.18 fig.20 Deep Flanger Slicer Sound fig.19 fig.21 19
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Setting Memo ( ) ( ) fig.26 fig.26 ( ) ( ) fig.26 fig.26 20
