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Before using this unit,
carefully read the sections
entitled: "USING THE UNIT
SAFELY" (p. 2, 3) and
"Important Notes" (p. 4).
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 Owner's Manual should
be read in its entirety. The
manual should be saved and
kept on hand as a convenient
reference.
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Thank you, and congratulations on your choice of the Roland PK-7A Pedal Keyboard.
In addition to the pedal keyboard, which greatly enhances enjoyment in playing the
organ, the PK-7A MIDI pedal keyboard unit also features an expression pedal that
lends precise and dynamic volume expression to performances, a foot switch that en-
ables pedal control over a variety of Roland VK-88/VK-8 combo organ functions, and
a hold pedal for sustaining notes.
Features
● Twenty-note pedal keyboard and removable expression pedal
The PK-7A features a twenty-note pedal keyboard for maximum enjoyment of organ
playing. The built-in expression pedal can be removed from the pedal keyboard unit
to make the unit more compact for transportation.
● Foot switches for controlling the VK-88/VK-8
Two foot switches are built into the expression pedal. When the PK-7A is connected to
a Roland VK-88 or VK-8 combo organ, you can then switch settings of the Roland VK-
88 or VK-8 as you perform without removing your foot from the expression pedal or
your hands from the keyboard.
● Hold pedal
A hold pedal is located where it can be easily operated by your right foot, for
additional expressive possibilities when playing sustain-type sounds.
● Single-cable connection to the VK-88
When connecting the PK-7A to the VK-88, the PK cable is the only connection
required–no need for MIDI cables, analog cables, or an AC adaptor. This makes setup
quick and easy.
● Switching MIDI Channels and Octave Shift
The PK-7A also features a MIDI channel switching knob that allows you to match the
MIDI channel settings with other equipment when the PK-7A is connected to an
external MIDI device other than a Roland combo organ (VK Series). Furthermore, you
can use Octave Shift to change the pitch in octave increments.
Conventions used in this manual
Pages in this manual where you can find additional information are indicated like this: (p. **).
All rights reserved. No part of this publication may be reproduced in any form without the writ-
ten permission of ROLAND CORPORATION.
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Owner's Manual
Copyright © 2005 ROLAND CORPORATION

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Summary of Contents for Roland PK-7A

  • Page 1 ● Foot switches for controlling the VK-88/VK-8 Two foot switches are built into the expression pedal. When the PK-7A is connected to a Roland VK-88 or VK-8 combo organ, you can then switch settings of the Roland VK- 88 or VK-8 as you perform without removing your foot from the expression pedal or your hands from the keyboard.
  • Page 2: Using The Unit Safely

    • 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” page.
  • Page 3 • Immediately turn the power off, remove the AC adaptor from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page when: • The AC adaptor or the power-supply cord has been damaged;...
  • Page 4: Important Notes

    Important Notes In addition to the items listed under “USING THE UNIT SAFELY” on page 2 and 3, please read and observe the following: Power Supply • Do not connect this unit to same electrical outlet that is being used by an electrical appliance that is controlled by an inverter (such as a refrigerator, washing machine, microwave oven, or air conditioner), or that contains a motor.
  • Page 5: Table Of Contents

    Index USING THE UNIT SAFELY...2 Important Notes...4 Names and Functions ...6 Connections ...8 Attaching the Expression Pedal...8 Connecting to the VK-88...9 Connecting to the VK-8...10 Connecting to External MIDI Devices Other than the VK-88/VK-8...11 Setting the MIDI Channel...12 Changing the Pitch (Octave Shift)...12 Troubleshooting...13 Error Messages ...13 Specifications...14...
  • Page 6: Names And Functions

    POWER Switch This turns the power of the PK-7A on/off. If the PK cable is used to connect the PK-7A to the VK-88, the PK-7A will turn on/off in tandem MEMO with the VK-88. The power switch of the PK-7A need not be switched on/off.
  • Page 7: Midi Connectors

    MIDI CH (MIDI Channel Switching) Knob This knob allows you to match the MIDI channel settings with other equipment when the PK-7A is connected to an external MIDI device other than a VK-88 or VK-8 (p. 12). PK OUT Connector Use the PK cable that is supplied with the VK-88 to connect this connector to the VK-88.
  • Page 8: Connections

    PK-7A. The connector in the upper part of the PK-7A is only for connecting the supplied expression pedal. NOTE Connecting this to any device other than the PK-7A’s own expression pedal could result in malfunction.
  • Page 9: Connecting To The Vk-88

    Connecting to the VK-88 Use the PK cable that is supplied with the VK-88 to connect the VK-88 and PK-7A. The supplied AC adaptor is not used. The PK-7A will be turned on/off by the power switch of MEMO the VK-88, regardless of the position of the PK-7A’s own power switch.
  • Page 10: Connecting To The Vk-8

    Turn on the power of the PK-7A, and make sure that the indicator on the PK-7A’s rear panel is lit. As described in the VK-8 Owner’s Manual, turn on the power of the VK- Make sure that the Sub-Keyboard Function is on (VK-8 Owner’s...
  • Page 11: Connecting To External Midi Devices Other Than The Vk-88/Vk-8

    • Foot switch R: • Hold pedal: MEMO If connecting the PK-7A to a VK-8, set the OCT SHIFT (Octave Shift) switch to the “0” position. When the PK-7A’s FOOT SW-L OUT/FOOT SW-R OUT/HOLD OUT jack is connected to the MEMO VK-8’s CONTROL PEDAL jack, you can assign a variety of functions to the foot switch.
  • Page 12: Setting The Midi Channel

    Set the switch to the “+1” position to raise the pitch one octave or to the “-1” position to lower the pitch one octave. If connecting the PK-7A to a VK-88 or VK-8, set the OCT SHIFT (Octave Shift) switch to the “0” MEMO...
  • Page 13: Troubleshooting

    Appendix Troubleshooting If the PK-7A does not function as you expect, please check the following points first. If this does not resolve the problem, contact your dealer or a nearby Roland service center. ● The power (indicator) does not come on when I turn on the power switch.
  • Page 14: Specifications

    Specifications Pedalboard: • Control: • Connectors: • Power: • Current Draw: 100 mA (DC 9 V) • Dimensions: • Weight: • Accessories: • Options: * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. 20 keys Expression Pedal Foot Switch (L, R)
  • Page 15: Midi Implementation

    MIDI Implementation Model: PK-7A (MIDI Pedal Keyboard) Date: Oct. 20, 2005 Version: 1.00 1. Recognized Receive Data ■System Realtime Messages Status * By receiving an Active Sensing message, this unit enters the mode timing the interval between incoming MIDI messages. If the interval exceeds 500 ms, this unit transmits Note Off messages corresponding to the transmitted notes being On, and returns from this mode.
  • Page 16: Midi Implementation Chart

    MIDI Implementation Chart MIDI FOOTPEDAL Model PK-7A Function… Basic Default Channel Changed Default Mode Messages Altered Note Number : True Voice Note ON Velocity Note OFF After Key’s Touch Ch’s Pitch Bend Control Change Prog Change : True # System Exclusive...
  • Page 17 Information When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below. PHILIPPINES AFRICA G.A. Yupangco & Co. Inc. 339 Gil J. Puyat Avenue EGYPT Makati, Metro Manila 1200, Al Fanny Trading Office...
  • Page 18 This product complies with the requirements of European Directive 89/336/EEC. FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

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