Instruction/ maintenance manual of the product GW-8 Roland
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1 Copyright © 2008 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
2 MIDI Implementation ❍ Vibrato Rate (Controller number 76) Status 2nd byte 3rd byte BnH 4CH vvH n = MIDI channel number: 0H - FH (ch.1 - 16) vv = Vibrato Rate value (relative change) : 00H - 40H - 7FH (-64 - 0 - +63) * The Vibrato Rate parameter (Perform Tone Edit) will change.
3 MIDI Implementation ■ Channel Mode Messages * Not received when the MIDI Rx Switch parameter (SYSTEM MIDI) is OFF. ● All Sounds Off (Controller number 120) Status 2nd byte 3rd byte BnH 78H 00H n = MIDI channel number: 0H - FH (ch.
4 MIDI Implementation ● Universal Non-realtime System Exclusive Messages ❍ Identity Request Message Status Data byte Status F0H 7EH, dev, 06H, 01H F7H Byte Explanation F0H Exclusive status 7EH ID .
5 MIDI Implementation ❍ Chorus Parameters Status Data byte Status F0H 7FH, 7FH, 04H, 05H, 01H, 01H, F7H 01H, 01H, 02H, ppH, vvH Byte Explanation F0H Exclusive status 7FH ID number (universal realtim.
6 MIDI Implementation ❍ Key-based Instrument Controllers Status Data byte Status F0H 7FH, 7FH, 0AH, 01H, 0nH, kkH, nnH, vvH F7H Byte Explanation F0H Exclusive status 7FH ID number (universal realtim.
7 MIDI Implementation ❍ Hold 1 (Controller number 64) Status 2nd byte 3rd byte BnH 40H vvH n = MIDI channel number: 0H - FH (ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0-63 = OFF, 64-127 = ON ❍ Portamento (Controller number 65) Status 2nd byte 3rd byte BnH 41H vvH n = MIDI channel number: 0H - FH (ch.
8 MIDI Implementation ● Song/Style Start Status FAH * Not transmitted when the Tx Start/Stop parameter (SYSTEM MIDI) is OFF. * This message is transmitted when the song/style player is started. ● Song Continue Status FBH * Not transmitted when the Tx Start/Stop parameter (SYSTEM MIDI) is OFF.
9 MIDI Implementation 4. Supplementary Material ■ Decimal and Hexadecimal Table (An "H" is appended to the end of numbers in hexadecimal notation.) In MIDI documentation, data values and addresses/sizes of Exclusive messages, etc. are expressed as hexadecimal values for each 7 bits.
10 MIDI Implementation ■ Example of an Exclusive Message and Calculating a Checksum Roland Exclusive messages are transmitted with a checksum at the end (before F7) to make sure that the message was correctly received. The value of the checksum is determined by the address and data (or size) of the transmitted Exclusive message.
An important point after buying a device Roland GW-8 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Roland GW-8 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Roland GW-8 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roland GW-8 you will learn all the available features of the product, as well as information on its operation. The information that you get Roland GW-8 will certainly help you make a decision on the purchase.
If you already are a holder of Roland GW-8, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Roland GW-8.
However, one of the most important roles played by the user manual is to help in solving problems with Roland GW-8. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roland GW-8 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
