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7
Model 8-435 ver. 1.0
OWNER’S MANUAL
Rev. 2
© 2018 CHD Elektroservis
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
Contents
1.1 page
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
INTERFACE FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1
2.2
2.3
2.4
INTERFACE BASIC OPE RATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
MIDI CHANNEL PARAMETER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
KEY SHIFT PARAMETER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
KEY PRIORITY PARAMETER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PITCH BEND RANGE PARAMETER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MIDI IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
7
3.1 CHANNEL COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.1 NOTE ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.2 CONTROL CHANGES (CCs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.3 PITCH BEND (PITCH WHEEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 COMMON SYSTEM COMMAND - RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 SYSTEM EXCLUSIVE MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SYSEX MESSAGES GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1
4.2
4.3
INDIVIDUAL PARAMETER SETTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
BULK DUMP ALL PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
OTHER FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1
5.2
6.1
6.2
6.3
RECOMMENDED MIDI SOFTWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
SETTING UP THE COMPUTER AND SOFTWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SEND THE TEXT SYSEX MESSAGE TO THE INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
APPENDICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
MIDI IMPLEMENTATION CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ERROR STATUS INDICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
WARRANTY CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
1 INTRODUCTION
P61-KBD is a MIDI retrofit for Korg Poly-61 synthesizers. It allows Korg Poly-61 to be controlled via MIDI commands as a MIDI expander. The interface works in one direction only – it only receives MIDI data. The Poly-
Pic. 1 ––
The interface controls instrument’s keyboard in parallel manner - own instrument’s keyboard can also be used instrument are driven via MIDI.
(see pic. 2) control all functions of the interface. Table 1 shows default factory settings of the parameters after factory reset. Parameters in permanent internal interface’s memory can be changed with Bulk Dump SysEx message ④ (see chapter 4.2). After reset (during each instrument start-up), parameters stored in permanent internal interface’s memory are copied to edit buffer ① and they control the all interface’s functions from there.
During the interface operation, parameters in edit buffer (that affect the interface directly) can be changed via
MIDI CCs ② (see chapter 3.1.2) or via SysEx messages ③ (see chapter 3.3). All these changes are temporary only – they are lost when the instrument is switched off!
Pic. 2 ––
Table 1 ––
MIDI channel choice
Keyboard shift setting (transpose)
Key priority setting
Pitch Bend range setting
1 st
MIDI channel
+36 semitones
Last key priority
± 12 semitones
3
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
2 INTERFACE BASIC OPE
There are no controllers or indicators on the interface. All interface parameters / functions are adjustable only via MIDI commands transmitted from a MIDI data source (DAW, sequencer, …).
Standard MIDI Channel commands (MIDI Channel Nr. is user definable) and Common System commands or
System Exclusive Messages are used for the interface control (see chapter 2.4).
2.1 MIDI CHANNEL PARAMETER
This parameter sets the basic MIDI channel for communication with MIDI DAW / sequencer. Any of the 16 available channels can be set as well as MIDI OMNI mode .
Parameter values are 0 to 16. Values 0 to 15 represent MIDI channels 1 to 16. Value 16 is for OMNI MODE.
Value of this parameter in edit buffer can be adjusted only by MIDI System Exclusive Message (see chapter 3.3).
This parameter transposes range of the instrument’s keyboard in whole scale of MIDI notes. The parameter value specifies exactly the number of MIDI Note which is assigned to the lowest key of the instrument’s keyboard.
Values of the parameter can be from 0 to 67. If value 0 is set (transposition is 0), the lowest key of the keyboard corresponds to MIDI Note Nr. 0 and the highest key corresponds to MIDI Note Nr. 60. If value 1 of the parameter is set, (transposition is +1), the lowest key of the keyboard corresponds to MIDI Note Nr. 1 and the highest key corresponds to MIDI Note Nr. 61. Etc., up to value 67 of the parameter (transposition is +67) when the lowest key of the keyboard corresponds to MIDI Note Nr. 67 and the highest key corresponds to MIDI Note
Nr. 127. See pic. 3 for more details.
The value in edit buffer can be adjusted by MIDI CC #16 (see chapter 3.1.2) or by SysEx message (see chapter
3.3).
Value of the parameter adjusts incoming MIDI Note On/Off commands processing in case of all six tone generators of the instrument are being used (all six voices are sounding).
The parameter value is 0 to 3:
0 Æ LAST: Last key priority – the last pressed key always replaces the first key pressed.
1 Æ HIGHER: Higher key priority – if the last pressed key is of higher tone than any of the previously pressed keys, the lowest key tone is replaced.
2 Æ LOWER: Lower key priority – if the last pressed key is of lower tone than any of the previously pressed keys, the highest key tone is replaced.
3 Æ NONE: No priority – if all six tone generators are being used, all Note On commands are ignored at the MIDI input.
The value in edit buffer can be adjusted by MIDI CC #17 (see chapter 3.1.2) or by SysEx message (see chapter
3.3).
1
OMNI mode enables the instrument to receive data on all 16 MIDI channels simultaneously.
4
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
Pic. 3 –– ”Key Shift“ parameter description
5
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
PITCH B END RANGE PARAMETER
This parameter adjusts maximum range of the pitch bend controlled by the ”Pitch Bend“ (“Pitch Wheel“) MIDI command .
Valid parameter values are 0 to 24. The 0 value switches the pitch bend off - MIDI command “Pitch Bend” is ignored. The values of 1 to 24 set the bend range in semitones, The ±2 octave transposition is available thus.
The value in edit buffer can be adjusted by MIDI CC #18 (see chapter 3.1.2 or by SysEx message (see chapter
3.3).
2
Pitch Bend MIDI command affects only tones launched by MIDI Notes. Own instrument’s keyboard is not affected.
6
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
3 MIDI IMPLEMENTATION
The interface only receives MIDI commands. The interface recognizes MIDI Channel commands, Common
System commands and System Exclusive messages.
The interface receives MIDI commands on selected MIDI channel ("MIDI Channel" parameter – see chapter 2.1).
In OMNI mode, interface receives data on all 16 MIDI channels simultaneously.
The interface recognizes MIDI Note On/Off commands with note numbers in range of 5 octaves. “Key Shift“ parameter (see chapter 2.2) defines assignment of MIDI notes to instrument’s keys. When six valid MIDI notes are received (all six instrument’s voices are sounding), all following received MIDI Note commands are processed according to “Key Priority“ parameter setting (see chapter 2.3).
The interface recognizes standard MIDI CCs Nr. 64, 120, 121, 123. Other CCs are used for adjusting of the interface’s parameters in edit buffer (CCs Nr. 16 to 18 - see ② on pic. 2).
Table 2 ––
CC #16
1
) Key Shift
CC #17
1
) Key Priority
CC #18
1
) Pitch Bend Range
CC #64
1
) Hold
Controls “Key Shift” interface’s parameter
(See chapter 2.2)
Controls “Key Priority” interface’s parameter
(See chapter 2.3)
Controls “Pitch Bend Range” interface’s parameter
(See chapter 2.4)
Standard MIDI function
0 ~ 127
(see table 3)
0 ~ 31 = Last
32 ~ 63 = Higher
0 ~ 31 = Lower
65 ~ 127 = None
0 ~ 127
(see table 5)
0 ~ 63 = Off
64 ~ 127 = On
0
0
0
CC #120 1 ) All Sound Off Standard MIDI function
CC #121 Reset All Controllers Standard MIDI function
CC #123
1
) All Notes Off Standard MIDI function
R emark: 1 ) The CC is only relevant for received MIDI notes, not for own instrument’s keyboard
The interface recognizes standard MIDI CCs Nr. 64, 120, 121, 123. Other CCs are used for adjusting of the interface’s parameters in edit buffer (CCs Nr. 16 to 18 - see ② on pic. 2).
CC #64 ––
The CC #64 works in a standard way: Holds the tone generators sounding when the "Hold" pedal is pressed .
Values 64 to 127 of the CC #64 are recognized as ON (pedal pressed), values 0 to 63 are recognized as OFF
(pedal released).
3
Hold MIDI command affects only tones launched by MIDI Notes. Own instrument’s keyboard is not affected.
7
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
–– Standard controller: All Sound Off (ASO)
When the CC #120 is received, all tone generators are muted independently if they are active by "Note On" command or the "Hold" MIDI controller .
–– Standard controller:
When the CC #121 is received, “Hold“ MIDI controller is switched off and “Pitch Bend“ MIDI controller is adjusted into center position.
–– Standard controller: All Notes Off (ANO)
When the CC #123 is received, all tone generators are muted if the "Hold" MIDI controller is inactive. If the
"Hold" is active, "All Notes Off" command is executed after the "Hold" pedal release .
CC #16 ––
Received value of the CC #16 adjusts the “Key Shift“ parameter (see chapter 2.2). Conversion of the CC #16 value to the parameter value shows table 3. Value of the parameter in edit buffer is adjusted only temporarily - until next instrument restart.
Table 3 –– CC #16 valu e to ” Key Shift“ parameter value (shift in semitones)
CC Shift CC Shift CC Shift CC Shift CC Shift CC Shift CC Shift CC Shift
+2
+2
+3
+3
+4
+4
+5
+5
+6
+0
+0
+1
+1
4
5
10
11
12
6
7
8
9
0
1
2
3
16
17
+8
+9
18 +9
19 +10
20 +10
21 +11
22 +11
23 +12
24 +12
25 +13
26 +13
27 +14
28 +14
36
37
38
39
40
41
42
43
44
32
33
34
35
+17 48
+17 49
+18 50
+18 51
+19 52
+19 53
+20 54
+20 55
+21 56
+21 57
+22 58
+22 59
+23 60
+25
+26
+26
+27
+27
+28
+28
+29
+29
+30
+30
+31
+31
+34
+34
+35
+35
+36
+36
+37
+37
+38
+38
+39
+39
+40
68
69
70
71
72
73
74
75
76
64
65
66
67
80 +42
81 +43
82 +43
83 +44
96
97
98
99
+51 112 +59
+51 113 +60
+52 114 +60
+52 115 +61
84 +44 100 +53 116 +61
85 +45 101 +53 117 +62
86 +45 102 +54 118 +62
87 +46 103 +54 119 +63
88 +46 104 +55 120 +63
89 +47 105 +55 121 +64
90 +47 106 +56 122 +64
91 +48 107 +56 123 +65
92 +48 108 +57 124 +65
13
14
15
+6
+7
+7
29 +15
30 +15
31 +16
45
46
47
+23 61
+24 62
+24 63
+32
+32
+33
77
78
79
+40
+41
+41
93 +49 109 +57 125 +66
94 +49 110 +58 126 +66
95 +50 111 +58 127 +67
CC #17 ––
Received value of the CC #17 adjusts the „Key Priority“ parameter (see chapter 2.3). Conversion of the CC #17 value to the parameter value shows table 4. Value of the parameter in edit buffer is adjusted only temporarily - until next instrument restart.
4
If the CC #64 is active (ON) and the Note On command for an already playing note is received, the envelope generator is not
5 trigged
6
All Sound Off MIDI command affects only tones launched by MIDI Notes. Own instrument’s keyboard is not affected.
All Notes Off MIDI command affects only tones launched by MIDI Notes. Own instrument’s keyboard is not affected.
8
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
Table 4 ––
CC
0 ~ 31
32 ~ 63
Priority
Last
Higher
CC
64 ~ 95
96 ~ 127
Priority
Lower
None
CC #18 ––
Received value of the CC #18 adjusts the “Pitch Bend Range“ parameter (see chapter 2.4). Conversion of the CC
#18 value to the parameter value shows table 5. Value of the parameter in edit buffer is adjusted only temporarily - until next instrument restart.
Conversion of CC 18 value to ”Pitch Bend Range“ parameter value (in semitones)
CC
0 ~ 4
5 ~ 9
10 ~ 14
15 ~ 19
20 ~ 24
Range
± 0
± 1
± 2
± 3
± 4
CC
25 ~ 29
30 ~ 34
35 ~ 39
40 ~ 44
45 ~ 49
Range
± 5
± 6
± 7
± 8
± 9
CC
50 ~ 54
55 ~ 59
60 ~ 64
65 ~ 69
70 ~ 74
Range
± 10
± 11
± 12
± 13
± 14
CC
75 ~ 79
80 ~ 84
85 ~ 89
90 ~ 94
95 ~ 99
Range
± 15
± 16
± 17
± 18
± 19
CC
100 ~ 104
105 ~ 109
110 ~ 114
115 ~ 119
120 ~ 127
Range
± 20
± 21
± 22
± 23
± 24
PITCH BEND (PITCH WHEEL)
"Pitch Bend" ("Pitch Wheel") command has a standard function - it changes the tune of the notes played . The minimal / maximal range of the tune bend is adjusted by the "Pitch Bend Range" parameter from ±0 to ±24 semitones (see chapter 2.4).
The interface uses only "Reset" Common System MIDI command. All other Common System commands are ignored.
Complete interface reset is done after receiving the “Reset“ command – all parameters are set to their default values stored in internal memory.
System Exclusive communication enables the user to adjust values of all interface parameters in internal interface’s permanent memory (see ④ on pic. 1 and chapter 4.2) or in edit buffer (see ③ on pic. 1 and chapter
4.1).
System Exclusive communication is described in detail in standalone manual.
For easier creation of SysEx messages, please use the software generator available at manufacturer’s web
7
Since the interface does not have direct access to the control voltage (CV) of the tone generators, the tone is not detuned
8 continuously
The Pitch Bend command is valid only for tones activated by MIDI Notes. It doesn’t work with tones activated from own keyboard of the instrument.
9
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
4 SYSEX MESSAGES GENERATOR
As a support for the users we have made software generator to create System Exclusive messages to control the interface. Any necessary SysEx message can be created with this generator without difficult calculating of binary or hexadecimal numbers.
The generator is based on Java scripts so it can run on any computer with web browser (Windows, OSX, etc.) .
To send the generated commands you will also need an utility to send the generated text as a MIDI SysEx dump (see chapter 5 for recommended software ).
Visit our website and download the “p61 kbd_syxgen.zip” archive. Expand the archive to a selected folder on p61 kbd.html
To launch the SysEx messages generator, simply open the “p61 kbd.html” file in your web browser (e.g. by clicking on the file icon). The generator window opens.
To temporary change / adjust one interface’s parameter in edit buffer:
1. Select value of one requested parameter ① ....
2. Click the corresponding “Generate ②....
3. The hexadecimal MIDI SysEx message is generated as a text in text field on bottom of the window ③ .
Sysex software .
5. Send the message to the interface.
6. The interface starts operation with the new parameter immediately. No reset is necessary.
7. Note that the parameter value is changed only in edit buffer. For saving to permanent memory, see chapter 4.2.
9
Note that scripts and ActiveX elements must be enabled in web browser for proper function of the generator.
10
The generated format of the message is text.
11
It is not necessary to use the recommended utility. The same function is provided by various DAW and MIDI SysEx software. For required text format and instructions check the documentation of your DAW/software.
12
See chapter 5.2 for recommended MIDI SysEx software.
10
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
To change / adjust all interface’s parameters in permanent memory:
1. Select values of all parameters ① ....
2. Click the “Generate All ②....
3. The hexadecimal MIDI SysEx message is generated as a text in text field on bottom of the window ③ .
Sysex software .
5. Send the message to the interface.
6. The interface stores new values of parameters to permanent memory.
7. Note that the changes becomes audible till after reset of the interface .
Select “Hex Byte Form ① and “Delimiter ② as required for your MIDI SysEx software ....
Default setting of the generator is
(see Chapter 5).
However some DAW or MIDI SysEx utilities require different format of the generated text message.
Required form of hex bytes and delimiter must be set before a Generate button is pressed.
To clear the text field and return all values to their defaults, click the
"Reset ③ .
"Help ④ opens new window with brief help.
"Close ⑤ closes browser panel with this SysEx Generator window.
13
See chapter 5.2 for recommended MIDI SysEx software.
14
Switch the instrument off and on again after a moment so that the new parameters values are accepted.
15
See the documentation of your DAW for required format.
16
The default format is also compatible with Bome SendSX and various other softwares.
11
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
5 RECOMMENDED MIDI SOFTWARE
The hexadecimal MIDI SysEx messages created in the Generators (as described in chapter 5) are in plain text format. The text can not be saved as a *.syx or *.mid file directly, hence a text to SysEx capable utility or DAW is needed.
is a utility that can be used to send the text as a SysEx message. It is a simple MIDI monitoring use.
2. Install the utility in your computer.
3. Connect the instrument with the interface the interface is connected to (drop-down menu
Views → MIDI Settings → Input Port / Ou
Basic procedure to send any SysEx data to a
MIDI device:
1. Generate required SysEx message in the
SysEx Messages Generator (as described in Chapter 5) . window ①.
3. Click the “ ” (“Transmit ② send the data to the interface.
to
Out Monitor ③ . future use (either by the floppy icon ④
Fi le menu ⑤ as a *.pocketmidi file).
17
Pocket MIDI is Copyright © MORSON JAPAN Co.,Ltd. All rights reserved.
18
Computer MIDI interface must be active / switched on and all necessary MIDI drivers correctly installed.
19
The correct “FF change them for Pocket MIDI.
12
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
6 APPENDICES
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
43 5
Basic
Channel
Mode
Default
Changed
Default
Messages
Note Number
Velocity
After
Touch
Pitch Bender
Note ON
Note OFF
Key's
Channel's
Control Changes 16
17
18
64
120
Program Change
121
Mode 3
0~127
1
2
3
)
)
)
Own CC – Key Shift
Own CC – Key Priority
Own CC – Pitch Wheel Range
Hold
All Sound Off
Reset All Controllers
See description System Exclusive
System Song Position
Common Song Select
Tune
System
Real Time
Clock
Command
Others Local ON/OFF
All Notes Off
Active Sensing
Reset
1
Notes :
2
) Can be changed by SysEx Msg
3
) Can be changed to Mode 1 by SysEx Msg
) Only 61 Notes can be accepted at a time - range depends on “Key Shift” parameter setting
11 / 20 10
13
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
If any fatal errors occur during the interface operation (eg. MIDI communication), the software stops automatically the device and the user is informed by the permanently sounding tone generators C2 + D#2 +
F#2.
In that case, it is necessary to reset the interface for proper operation refresh - it is necessary turn the instrument off and turn it on repeatedly after a moment.
This date must be specified on warranty list together with dealer's confirmation.
During this period of time, all defects of equipment or its accessories, caused by defective material or faulty manufacturing, will be removed free of charge.
Warranty repair is asserted by the customer against the dealer.
Warranty period is to be extended for the time period, during which the product was under the warranty repair.
Relevant legal regulations take effect in case of cancellation of purchase contract.
Customer will lose the right for free warranty repair, if he will not be able to submit properly filled out warranty list or if the defects of the product had been caused by:
- unavoidable event (natural disaster),
- connecting the device to incorrect supply voltage,
- inputs or outputs overloading by connecting the signals source or load source with not-corresponding characteristics etc.,
- faulty equipment operation, which is in conflict with instructions referred-to in the operating manual,
- mechanical damage caused by customer during transportation or usage of equipment,
- unprofessional interference with the equipment or by equipment modification without manufacturer’s approval.
14
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
Document :
8435_manual_rev2
Manufacturer :
Nad kundratkou 27, 19000 Praha 9, Czech Republic [email protected] www.chd-el.cz
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All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
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