VK-8M
Remote Controller
Model 8-708 ver. 1.0
Copyright © 2004 CHD Elektroservis, s.r.o.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis, s.r.o.
4
Picture 3 – Total Connection
IN
Remote
Controller
MIDI cable
Master keyboard
(PC, sequencer ...)
MIDI OUT
Supply
adapter
External
control
pedal
THRU IN OUT DC
EXPR.
PEDAL
BUS
VK-8M
MIDI IN
Next MIDI device
(sound expander,
effect unit etc.)
Roland
VK-8M
OUT IN
MIDI
MIDI cables
2.1. CONNECTION TO POWER SUPPLY
Coming Supply to controller is brought from the external adaptor to connector DC [6]. Connector is regular (Central pin is 2,1
mm). External direct-current adaptor has to be able to deliver up to 100 mA in Voltage range 8 – 15V.
On the adaptor connector has to be on the shell negative polarity and inside the positive. Polarity of power supply connector
is seen graphically on the panel. This unit is equipped with a protection circuit
against reversing of polarity of supply voltage. If
this happened, controller doesn't work, but no damage occurs.
2.2. CONNECTION TO MIDI BUS
The MIDI data source you can connect into MIDI-BUS-IN [2] on Rear panel. You will connect here the MIDI-OUT of Control
keyboard, PC, sequencer, and so on, via regular MIDI cable.
If you are controlling from the MIDI data source among VK-8M module something else, their controlling signal is ready on
MIDI-BUS-THU [3]. MIDI data on this output are identical to the input data. They are not processed any way, even no data delay
occurs here.
2.3. CONNECTION TO VK-8M MODULE
Controller has to be connected to Organ module VK-8M via two regular MIDI cables for correct functionality, because of the
bi-directional communication. The output MIDI-VK8M-OUT [5] has to be connected to input MIDI-IN of VK-8M and module input
MIDI-VK8M-IN [4] has to be connected to output MIDI-OUT of VK-8M module.
2.4. CONNECTION OF EXTERNAL CONTINUAL PEDAL
If you are using the external continual pedal, called „Expression Pedal“, connect it to EXPRESSION-PEDAL [9] jack 1/4“
stereo connector on rear panel. The external continual pedal has to fulfill the Options in Chapter 5.
Note: You have to calibrate the pedal before you use it first time, as written in Chapter 5.
3. OPERATING
After whole system connecting as described on previous pages, you can switch the controller On. You will do this by insert
of Power Supply connector into DC [6] on rear panel. There is not any Switch On/Off, the controller is working immediately after
connecting Power Supply.
3.1. INITIALIZATION SEQUENCE
Immediately after Power Supply connection is executed the internal initialization sequence automatically. All of controller
functions are reset during this and all of data buffers are reset too. All of Yellow indicators light: LED ACTIVE [11], [14], [17] and
controller is waiting for RESET [7] button press. The pressed button executes sequence, when the controller and VK-8M module
change the setting information each other. The button RESET [7] press is needed for whole system to be ready.
You can press the button RESET [7] also anytime during your working, for actualization of communication between the
controller and VK-8M module. Normally it is not needed, if you everything connected correctly.
Summary of Contents for VK-8M
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