BOSSCO BF-3 User manual

Owner’s Manual

DCAC

AC & BATTERY

POWERED

FET

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 as a con-

venient reference.

A battery is supplied with the unit. The life of this battery may be limited, however,

since its primary purpose was to enable testing.

Allrightsreserved.Nopartofthispublicationmaybereproducedinanyformwithout

the written permission of BOSS CORPORATION.

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 “MOMENTARY” mode, which allows you to apply the flanger effect ex-

actly at the point in a phrase you want.

●

Also includes a “Tap Tempo” function that lets you set the RATE to the tempo at

which the pedal is pressed.

Panel Description

fig.01

1. AC Adaptor Jack

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

installation matches the input voltage

specified on the AC adaptor's body. Other

AC adaptors may use a different polarity, or

be designed for a different voltage, so their

use could result in damage, malfunction, or

electric shock.

* As soon as you connect the AC adaptor, the

unit is turned on.

* If there is battery in the unit while an AC

adaptor is being used, normal operation will

continue should the line voltage be interrupted

(power blackout or power cord disconnection).

Panel Description

2. CHECK Indicator

This indicator shows whether an effect is

ON/OFF, indicates the tempo (TEMPO

mode: p. 11–12), and also doubles as the

Battery Check indicator.

The indicator lights when an effect is ON.

* If this indicator goes dim or no longer lights

while an effect is ON or while the BF-3 is in

TEMPO mode, the battery is near exhaustion

and should be replaced immediately. For

instructions on changing the batteries, refer

to “Changing the Battery” (p. 14).

* The CHECK indicator shows whether the

effect is being applied or not, and is used to

indicate other effects. It does not indicate

whether the power to the device is on or not.

OUTPUT A (MONO)/ OUTPUT B Jack

The output jacks are used to connect the

unit to an amplifier or another effects unit.

For monaural use, make the connection to

the OUTPUT A (MONO) jack.

4. GUITAR IN Jack

This jack accepts input signals (coming

from a guitar, some other musical instru-

ment, or another effects unit).

5. BASS IN Jack

Thisjackaccepts inputsignalcomingfrom

a bass guitar.

* BASS IN is disabled when the GUITAR IN

jack is used.

* When running the unit on battery power, the

GUITAR IN and BASS IN jacks double as

power switches. Power to the unit is turned

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.

* You cannot input the tempo in MOMENTARY

mode.

7. Thumbscrew

When this screw is loosened, the pedal

will open, allowing you to change the bat-

tery.

* For instructions on changing the batteries,

refer to “Changing the Battery” (p. 14).

fig.02

8. MANUAL Knob

Adjusts the center frequency to which the

effect is applied.

The range is raised as you turn the knob to

the right (clockwise).

* The settings range varies with the selected

mode, as well as when an instrument is

connected to BASS IN.

109 11 128

Panel Description

9. RES (resonance) Knob

Adjusts the amount of resonance (feed-

back). The more the knob is turned to the

right, the more the flanger sound is em-

phasized, and the stronger the characteris-

tic effect in the sound becomes.

10. DEPTH Knob

Adjusts the sweep depth. The effect deep-

ens as you turn the knob to the right.

* The MANUAL knob has no function when

this knob is turned completely clockwise.

11. RATE Knob

Adjuststhe rate of theflanging. The flange

effect speeds up as you turn the knob to

the right.

12. MODE Knob

Selects the flanger effect and pedal mode.

ULTRA:

Provides a stronger flanger effect than

STANDARD.

STANDARD:

Provides a normal flanger effect.

GATE/PAN:

When playing in mono, this creates radical

changesinthe outputvolume.Whenplaying

in stereo, this alternately pans the output to

the left and right, resulting in a flanger effect

that imparts a sense of rotation or spinning.

MOMENTARY:

The flanger effect is applied only while

the BF-3’s pedal is depressed. The STAN-

DARD tone is applied, and flanging starts

in the low end.

* You cannot input the tempo in MOMENTARY

mode.

Connections

fig.03

AC Adaptor

BOSS PSA-series

(option)

Electric

Guitar

Bass

Guitar

OUT 9V DC/200mA

Guitar Amplifier

(Bass Amplifier) For monoural use,

make the connection to

the OUTPUTA (MONO) jack. * The GUITAR IN jack is given priority.

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 experience such problems, you should relocate such wireless devices so they

are at a greater distance from this unit, or switch them off.

* To prevent malfunction and/or damage to speakers or other devices, always turn down the volume,

and turn off the power on all devices before making any connections.

* If there are batteries in the unit while an AC adaptor is being used, normal operation will continue

should the line voltage be interrupted (power blackout or power cord disconnection).

* Once the connections have been completed (p. 8), turn on power to your various devices in the

order specified. By turning on devices in the wrong order, you risk causing malfunction and/or

damage to speakers and other devices.

When powering up: Turn on the power to your guitar amp

last

When powering down: Turn off the power to your guitar amp

first

* 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.

* When operating on battery power only, the unit’s indicator will become dim when battery power

gets too low. Replace the battery as soon as possible.

Operating the Unit

fig.05

When you have made the necessary

connections (p. 8), depress the pedal

switch to turn the effect on. (the

CHECK indicator turns red.)

* When MOMENTARY mode is selected,

continue pressing the pedal switch. (the effect

is on only while the pedal is depressed)

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).

Set the flanging rate with the RATE

knob.

Set the sweep depth with the DEPTH

knob.

Set the center frequency to which the

effect is applied with the MANUAL

knob.

Turn the RES knob to set the strength

of the effect.

46 3 25

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