GKC-DA - Audio/video converter BOSS - Free user manual and instructions

Product Type	Audio/Video Converter (GK Converter)
Model	GKC-DA
Brand	BOSS
Power Supply	AC adaptor (included)
Current Draw	190 mA (GKC-DA)
Dimensions	115 x 120 x 36.9 mm (4 x 17/32 x 60 x 3-10 x 12 x 1-27/6.95 inches)
Weight (excluding AC adaptor)	100 g (12 oz)
DC IN Jack	For connecting the included AC adaptor; also serves as power switch
Ground Terminal	For connecting to external ground if necessary
GK OUT Connector	13-pin DIN type for connecting devices with GK IN
GUITAR IN Jack	1/4-inch TS phone type for normal guitar signal input
GK IN Jack	1/4-inch TRS phone type for guitar with divided pickup (e.g., GK-3)
POWER Indicator	Lights up when unit is on
GK CONNECT Indicator	Lit: connected; Blinking: not connected
USB Port	For program updates only (USB 2.0 compatible, data-capable cable required)
Accessories	AC adaptor, Owner's Manual
Options (sold separately)	GK cable (13-pin DIN), lengths: 0.5 m, 4.5 m, 30 m
Safety - Use only supplied AC adaptor	Using other adaptors may cause damage or electric shock
Safety - Ground terminal handling	Do not leave screw loose; tighten firmly
Placement	Rubber feet may discolor or mar surfaces depending on material and temperature
Cable precaution	Do not use cables with built-in resistors

Frequently Asked Questions - GKC-DA BOSS

What is the BOSS GKC-DA used for?

The BOSS GKC-DA is an audio/video converter that converts guitar signals from a 1/4-inch instrument cable to a 13-pin GK format, allowing connection to Roland/BOSS GK-compatible devices.

What power supply does the GKC-DA require?

It requires the included AC adaptor. Do not use any other adaptor as it may cause damage or electric shock. The current draw is 190 mA.

How do I connect a guitar with a divided pickup?

Connect the guitar's GK output to the GK IN jack (1/4-inch TRS) using the dedicated GK cable. Do not use a standard guitar cable.

Can I use a standard guitar cable with the GK IN jack?

No, you must use the dedicated GK cable (13-pin DIN type) for the GK IN and GK OUT connectors. Standard cables will not work.

What does the GK CONNECT indicator mean?

When lit, a device is properly connected to the GK IN jack. When blinking, no device is connected.

How do I update the firmware?

Connect the unit to your computer via the USB port using a USB cable that supports data transfer (not charge-only). The USB port is for program updates only.

Do I need to ground the unit?

If necessary, connect the ground terminal to an external ground using a screw. Ensure the screw is firmly tightened after connection.

What are the dimensions and weight?

Dimensions: 115 x 120 x 36.9 mm (4.53 x 4.72 x 1.45 inches). Weight: 100 g (3.53 oz) excluding the AC adaptor.

Can I use a USB cable designed only for charging?

No, such cables cannot transmit data and will not work for updates. Use a USB cable that supports data transfer (USB 2.0 or higher).

What accessories are included?

The package includes the AC adaptor and the Owner's Manual. Optional GK cables (13-pin DIN) are sold separately in 0.5 m, 4.5 m, and 30 m lengths.

USER MANUAL GKC-DA BOSS

© 2022 Roland Corporation

Before using this unit, carefully read "USING THE UNIT SAFELY" a document(s) where it will be available for immediate reference

Panel Descriptions
GKC-DA

GKC-AD

Name Explanation

1	DC IN jack	Connect the included AC adaptor to this jack.* The DC IN jack also serves as the power switch. The power turns on when you insert a plug into the DC IN jack, and the power turns off when you unplug the cable.
2	Ground terminal	Connect this to an external earth or ground if necessary.
3	GK OUT connector	Connect devices that have a GK IN connector (13-pin DIN type).* Never use a cable other than the dedicated GK cable (13-pin DIN type) for this unit.
4	GUITAR IN jack	Use this jack to input a normal guitar signal.The signal inputted here is output through the GK OUT connector.
5	GK IN jack	Connect a guitar or bass guitar that has a BOSS divided pickup such as a GK-5 or GK-59.* Never use a cable other than the dedicated serial GK cable for this unit.
6	POWER indicator	This lights up when the unit turns on.
7	GK CONNECT Indicator	Shows the connection status for the GK IN jack (1/4-inch TRS phone type).
		Lit Connected
		Blink Not connected
8	USB port(for program updates only)	Connect your computer using a commercially available USB cable that supports USB 2.0.* Do not use a USB cable that is designed only for charging a device. Charge-only cables cannot transmit data.* This is used only for program updates.

Name Explanation

1	DC IN jack	Connect the included AC adaptor to this jack. * The DC IN jack also serves as the power switch. The power turns on when you insert a plug into the DC IN jack, and the power turns off when you unplug the cable.
2	Ground terminal	Connect this to an external earth or ground if necessary.
3	GK IN connector	Connect a guitar or bass guitar that has a Roland divided pickup such as a GK-3 or GK-3B, or a GK-compatible guitar such as the Roland V-Guitar GC-1. * Never use a cable other than the dedicated GK cable (13-pin DIN type) for this unit. * Set the switch on your GK-3/GK-3B or other instrument to the center position (MIX).
4	GUITAR OUT Jack	This jack is for outputting the normal guitar signal input from the GK IN connector.
5	GK OUT jack	Connect compatible devices that have a GK IN connector (1/4-inch TRS phone type) to this jack. * Never use a cable other than the dedicated serial GK cable for this unit.
6	POWER indicator	This lights up when the unit turns on.
7	GK CONNECT indicator	Shows the connection status for the GK OUT jack (1/4-inch TRS phone type).
		Lit	Connected
		Blink	Not connected
8	USB port (for program updates only)	Connect your computer using a commercially available USB cable that supports USB 2.0. * Do not use a USB cable that is designed only for charging a device. Charge-only cables cannot transmit data. * This is used only for program updates.

* To prevent malfunction and equipment failure, always turn down the volume, and turn off all the units before making any connections.

Main Specifications

Power supply	AC adaptor
Current draw	GKC-DA: 390 mAGKC AD: 240 mA
Dimensions	115 (W) x 92 (D) x 36 (H) mm4-17/32 (W) x 3-5/8 (D) x 1-7/16 (H) inches
Weight (excluding AC adaptor)	340 g12 oz
Accessories	AC adaptorOwner's ManualLeaflet "USING THE UNIT SAFELY"
Options (sold separately)	Serial GK cable: BGK-15 (15 ft./4.5 m), BGK-30 (30 ft./9 m)

^9 This document explains the specifications of the product at the time that the document was issued. For the latest information, refer to the Roland website.

USING THE UNIT SAFELY

WARNING

Use only the supplied AC adaptor and the correct voltage.
correct voltage Be sure to use only the AC adaptor
be sure to use only the AC adaptor supplied with the unit. Also,
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
polarity, or be designed for a different voltage, so their use could result in damage,
malfunction, or electric shock.

CAUTION

Handle the ground terminal carefully
If you remove the screw from the ground terminal, be sure
the ground terminal, be sure to replace it; don't leave it
lying around where it could
accidentally be swallowed by small children. When refastening the screw,
make that it is firmly fastened, so it won't
come loose.

IMPORTANT NOTES

Placement

Depending on the material and temperature of the surface on which you place the unit, its rubber feet may discolor or mar the surface.

Additional Precautions

Do not use connection cables that contain a built-in resistor.

Intellectual Property Right

This product includes third party open
source software.
Copyright © 2009-2019 Arm Limited. All rights reserved.
Licensed under the Apache License,
Version 2.0 (the "License"); You
obtain a copy of the License at
http://www.apache.org/licenses/
LICENSE=2.0
Copyright © 2018 STMicroelectronics. All rights reserved.
rights reserved.
This software component is licensed by ST under BSD 2. Clover licenses, the
by 31 under BSD 3-Clause license, the "License": You may obtain a copy of th
License at
https://opensource.org/licenses/BSD-3-

Clause

Roland, BOSS are either registered

trademarks or trademarks of Roland

Corporation in the United States and/or other countries

Company names and product names

appearing in this document are registered trademarks and trademarks of

registered trademarks or trademarks of their respective owners.

- For the USA

SUPPLIER'S DECLARATION OF CONFORMITY

Compliance Information Statement

Model Name: GKC-DA, GKC-AD

Type of Equipment: GK Converter

Responsible Party: Roland Corporation U.S.

Address: 5100 S. Eastern Avenue Los Angeles, CA 90040-2938

Telephone : [phone]