BOSSCO Poly Octave OC-20G Manual de usuario

Thank you, and congratulations on your choice of BOSS OC-20G GK Effect.

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY”

and “IMPORTANT NOTES” (p. 18; p. 21).

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, Owner’s manual should be read in its entirety. The manual should

be saved and kept on hand as a convenient reference.

be reproduced in any form without the written

permission of BOSS CORPORATION.

Main Features

●

New kind of effect for use with GK pickups and GK-Ready guitars.

●

Six independent selectable octave processors: on for each string.

●

Built-in distortion for ultra-heavy sound.

●

Send and return for direct guitar signal.

●

The controls and pedals provide simple and intuitive operation.

●

Can run on battery power (six AA type).

Installing Batteries

Insert the included batteries as shown in figure, being careful to orient the batteries correctly.

fig.02

• When turning the unit upside-down, get a bunch of newspapers or magazines,

and place them under the four corners or at both ends to prevent damage to

controls. Also, you should try to orient the unit so no controls get damaged.

• When turning the unit upside-down, handle with care to avoid dropping it, or

allowing it to fall or tip over.

• Make sure the “+” and “-” ends of the batteries are oriented correctly.

• When the batteries run down, the POWER indicator gets dim. If this happens,

replace with new batteries.

• When replacing the batteries, use six AA type.

• Do not mix fresh batteries with used ones, or mix batteries of different types.

Doing so can result in fluid leakage.

• Battery life can vary depending on battery type.

Continuous usage time under battery power is about 6 hours with alkaline

batteries and about 2 hours with carbon batteries. (This may vary according

to usage conditions.)

Making the Connections

About the GK-2A

To use the OC-20G with a guitar equipped with the GK-2A (or other GK-

compatible guitar), you will need an optional GK cable.

Refer to the GK-2A Owner’s Manual for instructions on installing the GK-2A.

S1/S2 Switch

The GK-2A’s S1/S2 switches correspond to this unit’s MASTER On/Off pedal

and Distortion On/Off pedal, respectively.

Selection Switch

Set to the “MIX” position.

Note that this unit processes tones using the instrument’s divided pickup

signal (signal output when SYNTH is selected).

No sound is produced when the following settings are combined.

SYNTH VOL Knob

Controls the volume when MASTER ON is selected.

Connecting

fig.03

GK-2A This unit’s settings

SYNTH MASTER: OFF

GUITAR MASTER: ON + NORMAL PU MIX: OFF (rear panel)

Guitar Amp

AC Adaptor

PSA-series

(sold separately)

Guitar with GK-2A

or other

GK-compatible guitar

Making the Connections

• To get the best performance from the instrument, set your amp to “Clean” (no

distortion).

• When connecting the instrument to a guitar amp, make the necessary adjustments

to get the most suitable tone. When recording direct, use this with a COSM amp

(GT-3, GP-20 etc.).

• When connecting a GK cable, insert the cable completely until the connector is

securely locked. When disconnecting, press the connector’s lock while you detach

the cable.

* Always turn the amp volume down completely before connecting and disconnecting cords.

* 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).

Turning On the Power

Be sure to observe the following order when connecting devices and switching on the power to

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

or damage to speakers and other devices.

Connect the GK-2A

➝

(Connect the AC Adaptor)

➝

Connect the Amp

➝

Turn On Amp Power

* When the unit is running on battery power, the power comes on when you insert the connector

plug into the OUTPUT jack.

* 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 Instructions

Using the Pedals

fig.04

“MASTER: ON” and “DISTORTION: OFF” are selected when the

power is turned on.

Master is toggled on and off by stepping

on the MASTER On/Off pedal.

When switched on, the GK effect

sound is output.

When off, the output from the divided

pickup is muted, and the sounds from

the normal pickup (or the sounds input

to GUITAR RETURN) are output

without change.

Distortion is toggled on and off by

stepping on the Distortion On/Off pedal.

When Master is off, you can switch

the distortion on and off in order to

prepare the settings.

Distortion is not applied to

the output from the normal

pickup.

Illuminated

Extinguished

➝

When at “ON” When at “OFF”

Illuminated

Extinguished

➝➝➝

When at “ON” When at “OFF”

Operating Instructions

Panel Operations

In order to follow along with the instructions given here, you should start out by having

Master switched ON (depress the MASTER On/Off pedal and confirm that the MASTER

ON/OFF indicator has lighted). Also, step on the Distortion On/Off pedal to switch OFF

distortion (DISTORTION ON/OFF indicator extinguished).

You should make GK LEVEL, OCTAVE LEVEL, DISTORTION, TONE, and

LEVEL adjustments after first aligning the knob to the center position.

fig.05

Try switching the MASTER

On/Off pedal on and off as you

get the balance between the

GK sound and octave sound,

adjusting the levels until they

are roughly the same.

Turn the OCTAVE LEVEL knob to adjust

the volume of the sound at the octave.

Press the Distortion On/Off

pedal to turn the distortion

on (DISTORTION ON/OFF

indicator lit).

Turn the STRING SELECT

knob to select the string to

which the octave sound is

to be added.

You can select from six

different settings, from

all strings to only the

sixth string.

Turn the GK

LEVEL knob to

adjust the volume

of the sound at

the original pitch.

3. Turn the TONE

knob to adjust

the tone.

6. Turn the

DISTORTION

knob to adjust

the distortion.

Switch the Distortion

On/Off pedal on and

off and adjust until the

volume levels are

roughly the same.

Turn the Level knob to adjust

the volume level.

Select the tone for

the GK sound (the

sound at the

original pitch).

You can select from

six different tones.

Part Names and Functions

Front Panel

OCTAVE

fig.06

OCTAVE LEVEL

Knob

Adjusts the volume of

the octave sound.

STRING SELECT Knob

Select the strings to which the octave sound is

to be added.

ALL:

The octave sound is added to all of the strings.

2–6: The octave sound is added to strings 2–6.

3–6: The octave sound is added to strings 3–6.

4–6: The octave sound is added to strings 4–6.

5–6:

The octave sound is added to strings 5 and 6.

6: The octave sound is added only to the

sixth string.

GK LEVEL Knob

Adjusts the volume of the

GK direct sound.

TYPE Knob

Select the tone for the GK Direct sound (the sound at

the original pitch).

ACOUSTIC HARD:

Bright and lively acoustic guitar

sound.

ACOUSTIC MEDIUM:

Acoustic guitar sound between

HARD and SOFT.

ACOUSTIC SOFT: Richly resonant acoustic guitar

sound with body.

ELECTRIC REAR S:

Rear single coil pickup tone.

ELECTRIC REAR H:

Rear humbucking pickup tone.

ELECTRIC FRONT H:

Front humbucking pickup tone.

Part Names and Functions

DISTORTION

fig.07

TONE Knob

Adjusts the tone

quality of the

distortion sound.

DISTORTION Knob

Adjusts the amount of

distortion.

LEVEL Knob

Adjusts the distortion

volume.

Part Names and Functions

fig.08

Master On/Off Pedal

Each press of the pedal switches

Master on or off.

Distortion On/Off Pedal

Each press of the pedal switches

distortion on or off.

POWER Indicator

This lights up when the power is on.

If this gets dim or fails to light up when the

unit is running on battery power, it means

that the batteries are depleted.

Replace promptly with fresh batteries.

“Installing Batteries”(p. 2)

MASTER ON/OFF

Indicator

This lights up when Master

is on.

DISTORTION

ON/OFF Indicator

This lights up when

distortion is on.

Part Names and Functions

Rear Panel

fig.9

GUITAR RETURN Jack

This is an input jack for

connecting another effects

device, electric guitar, or

other instrument.

When connected to this

jack, you can use sounds

other than the normal

pickup when Master is off,

and for the Mix sounds

when Master is on.

(refer to p.11, 12)

OUTPUT Jack

This jack is for connection to a guitar

amp, another effects processor.

* The OUTPUT jack also doubles

as the power switch when the

unit is running on battery

power. The power comes on

when a plug is inserted into the

INPUT jack, and goes off when

it is unplugged. Unplug any

connected cords when the unit

is not in use.

AC ADAPTOR Jack

This jack is for connecting an

AC adapter (BOSS PSA-series,

sold separately).

Using an AC adapter makes

possible long performances

with no worry about batteries

going dead.

GK IN Connector

This connector is for connecting

your guitar with a GK cable.

NORMAL PU MIX Switch

When Master is on, this switch determines

whether or not the normal pickup sounds (or the

sounds input to the GUITAR RETURN) are mixed.

By mixing the normal pickup sound,

you can create a sound that makes

your guitar sound come alive.

GUITAR OUT Jack

Normal pickup signals input

through the GK-2Aare output.

When a cable is

connected to this jack,

the output of the

normal pickup from the

OUTPUT jack stops.

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