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CME GPP-3 User Manual

Made by: CME
Type: User Manual
Category: Music Pedal
Pages: 18
Size: 0.48 MB

 

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USB Programmable Grand Piano 

Style MIDI Pedal 

User’s Manual 

----------------- 

Model

GPP-3

 

 

Read “Precautions” on page 5 before use 

 

 

 

 

 

 

Please ready this manual carefully before use.
Please keep this manual for reference. 


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2

Thank you for choosing CME GPP-3 -  USB Programmable 

Grand Piano Style MIDI Pedal 

Please keep all the important information here

 

Attach your invoice or receipt here 

 

~~~~~~~~~~~~~~~~~~~~~~~

 

 

for reference 

Purchase date              Serial

(on the back of the product)   

                       

Dealer’s name and addr.                                       

Dealer’s tel.                                                                                           

Warning:  

z

  Improper connection may cause damage to the device.   

Copyright  

z

  Copyright of the manual belongs to Central Music Co. Anyone 

must get a written permission from Central Music Co. before 

copying any part of the manual to any kind of media. 

© Central Music Co. 2006 

Open the package 

Please check all the items in your GPP-3 package: 

 

z

 

The GPP-3 product 1 pcs   

z

 

USB cable 1 pcs 

z

 

User’s manual 1 pcs


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3

Special Message Section 

This product utilizes batteries or an external 
power supply (adapter). Do NOT connect this 
product to any power supply or adapter other 
than the one described in the manual, on the 
product, or specifically recommended by CME. 

WARNING:

 Do not place this product in a 

position where anyone could walk on, trip over, or 
roll anything over the power or the connecting 
cords of any kind. The use of an extension cord is 
not recommended! If you must use an extension 
cord, make sure that the cord has the ability to 
handle the maximum current needed by this 
product. Please consult a local electrician when 
possible. 

This product should be used only with the 
components supplied or recommended by CME. 
When used with any components, please observe 
all safety markings and instructions that 
accompany the accessory product. 

SPECIFICATIONS SUBJECT TO CHANGE: 

The information contained in this manual is 
believed to be correct at the time of printing. 
However, CME reserves the right to change or 
modify any of the specifications, without notice or 
obligation to update existing units. 

This product, either alone or in combination with 
an amplifier and headphones or speaker(s), may 
be capable of producing sound levels that could 
cause permanent hearing loss. Do NOT operate 
for long periods of time at a high volume level or 
at a level that is uncomfortable. If you experience 
any hearing loss or ringing in the ears, you should 
consult an audiologist. 

IMPORTANT: The louder the sound, the shorter 
the time period before damage occurs. 

Some CME products may have stands and/or 
accessory mounting fixtures that are either 
supplied with the product or as optional 
accessories. Some of these items are designed 
to be dealer assembled or installed. Please make 
sure that stands are stable and any optional 
fixtures (where applicable) are well secured 
BEFORE using. 

Stands supplied by CME are designed for the 
respective products only. No other uses are 
recommended. 

NOTICE: 

Service charges, incurred due to a lack of 
knowledge relating to how a function or effect 
works (when the unit is operating as designed), 
are not covered by the manufacturer’s warranty, 
and are therefore the owners responsibility. 
Please study this manual carefully and consult 
your dealer before requesting service. 

ENVIRONMENTAL ISSUES: 

CME strives to produce products that are both 

user safe and environment friendly. We sincerely 
believe that our products and the production 
methods used to produce them, meet these goals. 
In keeping with both the letter and the spirit of the 
law, we want you to be aware of the following: 

Battery Notice: 

This product MAY contain a small 
non-rechargeable battery which (if applicable) is 
soldered in place. The average life span of this 
type of battery is approximately five years.  
When replacement becomes necessary, contact 
a qualified service representative to perform the 
replacement. 

This product may also use “household” type 
batteries. Some of these may be rechargeable. 
Make sure that the battery being charged is a 
rechargeable type and that the charger is 
intended for the battery being charged. 

When installing batteries, do not mix batteries 
with new ones, or with batteries of different types. 
Batteries MUST be installed correctly. 

 

Mismatches of incorrect installation may result in 
overheating and battery case rupture. 

Warning: 

Do not attempt to disassemble, or incinerate any 
battery.  Keep all batteries away from children. 
Dispose the used batteries promptly and as 
regulated by the laws in your area. Note: Check 
with any retailer of household type batteries, in 
your area, for battery disposal information. 

Disposal Notice: 

Should this product become damaged beyond 
repair, or for some reason its useful life is 
considered to be at an end, please observe all 
local, state, and federal regulations that relate to 
the disposal of products that contain lead, 
batteries, plastics, etc. If your dealer is unable to 
assist you, please contact CME directly. 


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4

 

FCC INFORMATION (U.S.A) 

1.  IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! 

This product, when installed as indicated in the instructions contained in this manual, 

meets FCC requirements. Modifications not expressly approved by CME may void 

your authority, granted by the FCC, to use the product.

 

2. IMPORTANT: 

When connecting this product to accessories and/or another products 

use only high quality shielded cables. Cable(s) supplied with this product MUST be 

used. Follow all installation instructions. Failure to follow instructions could void your 

FCC authorization to use this product in the USA.

 

3. NOTE: 

This product has been tested and found to comply with the limits for a Class B 

Digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to 

provide reasonable protection against harmful interferences in a residential 

environment. This equipment generates, uses and can radiate radio frequency energy 

and, if not installed and used according to the instructions found in the users manual, 

may cause interferences, harmful to the operation of other electronic devices.  

Compliance with FCC regulations does not guarantee that interferences will not occur 

in all installations. If this product is found to be the source of interferences, which can 

be determined by turning the unit “OFF” and “ON”, please try to eliminate the 

problems by using one of the following measures: 

 

 Relocate either this product or the device that is being affected by the interferences. 

 

 Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or 

install AC line filter(s). 

 

 In the case of radio or TV interferences, relocate/reorient the antenna. If the antenna 

lead-in is 300 ohm ribbon lead, change the lead-in to co-axial type cable. 

 

If these corrective measures do not produce satisfying results, please contact the local 

retailer, authorized to distribute this type of product. If you cannot locate the 

appropriate retailer, please contact CME.

 

 

The above statements apply ONLY to those products distributed in the USA. 

 

 


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5

PRECAUTIONS 

IMPORTANT 

Always follow the basic precautions listed below to avoid the possibility of serious injury or 

even death from electrical shock, damages, fire or other hazards. These precautions 

include, but are not limited to, the follows:   

1.  Read and understand all the instructions.   

2.  Always follow the instructions on the instrument.   

3.  Before cleaning the instrument, always remove the electric plug from the outlet as well 

as the USB cable. When cleaning, use a soft and dry cloth. Do not use gasoline, 

alcohol, acetone, turps or any other organic solutions; do not use liquid cleaner, spray 

cleaner or too wet cloth.   

4.  Do not use the instrument near water or moisture, such as bathtub, washbasin, 

washing poor in the kitchen or similar places.   

5.  Do not place the instrument in an unstable position where it might accidentally fall 

over.  

6.  Do not jam sinks or holes of the instrument; those sinks of holes are used for air 

circulation to prevent the instrument from overheating. Do not place the instrument 

near heat sink or any places with poor air circulation.   

7.  Do not place anything on the power cord. Make sure the power cord is set on a safe 

place, so nobody will step on it and no body will    trip over it.   

8.  Do not overload the outlet and the AC cable to avoid fire or electrical shock.   

9.  Do not insert anything in the instrument, which may cause fire or electrical shock. Do 

not splash any kind of liquid to the instrument.   

10. Do not disassemble the instrument in case of accidental electrical shock.   

11. Always take the instrument to a qualified service center in need of repair. You will 

cause yourself in danger if you open or remove the cover, and improper assembly 

may cause electrical shock in the future use.   

12. Unplug all the connectors and take the instrument to a qualified service center if 

anything in the below listed happens:   

A.  The power cord or connector get hurt or worn out.   

B.  Any liquid get in the instrument.   

C.  The instrument gets rain or water splash.   

D. The instrument dose not work properly after following all the instructions 

regarding to the trouble shootings.   

E.  The instrument falls down or gets broken. 

F.  The instrument functions poorly.   

13. Do not use the instrument when thundering; otherwise the thundering may cause 

long-distance electrical shock.   

14. Do not use the instrument when there is a gas leak nearby.   

 

Keep this manual in safe place 

 

CAUTION: 


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6

Setting up 

 

  Do not connect the instrument when thundering.   

 

  Do not set up the cord or outlet to a moist place, except for that the outlet is specially 

designed for moist places. 

 

  When the power cord is connected to the AC outlet, do not touch the naked part of 

the cord or the connector. 

Always follow the instructions carefully when setting up the instrument.   

WARNING: 

z

 

Do not expose the instrument to rain or moisture, to avoid fire or electrical shock.   

Other precautions:   

z

 

Keep the instrument away from electrical interface sources, such as fluorescent light 

and electrical motors.   

z

 

Keep the instrument away from dust, heat and vibration. 

z

 

Do not expose the instrument to sunlight. 

z

  Do not place heavy objects on the instrument; do not place containers with liquid on 

the instrument.   

z

 

Do not touch the connectors with wet hands   

z

 

Central Music Co. is not responsible for any damage or data loss caused by improper 

operation to the instrument.   

z

  All the pictures and the LED display in the manual are used for demonstration; they 

may be different from the real instrument.   

 

 

Features 

z

 

3 pedals in Grand piano style with an elegant and stable wood base 

z

 

With a built-in CPU, the three pedals are assignable to any MIDI controller 

z

 

USB port, MIDI out port and standard pedal ports 

z

 

Automatically memorizes and stores the settings, even after power off   

z

 

3 LEDs for MIDI activities   

z

 

Switchable polarity and fine tuning for flexible connectivity   

z

 

Windows XP/MAC OS X USB MIDI class-compliant 

z

 

USB bus power and DC in 

z

 

Firmware upgradeable via USB 


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7

Content 

1 General 

view .............................................................................................................. 8 

1.1 Front 

panel .................................................................................................. 8 

1.2 Rear 

panel ................................................................................................... 8 

2 Connection................................................................................................................. 8 

2.1 PEDAL 

out ports .......................................................................................... 9 

2.2 MIDI 

OUT port ............................................................................................. 9 

2.3 USB 

port .................................................................................................... 10 

3 Operation ................................................................................................................. 10 

3.1 Power on ................................................................................................... 10 

3.2 Pedal 

Outs ..................................................................................................11 

3.3 MIDI 

OUT ...................................................................................................11 

3.4 USB 

Out .....................................................................................................11 

3.5 Reset ..........................................................................................................11 

4 Settings .................................................................................................................... 12 

4.1 Polarity....................................................................................................... 12 

4.2 Range ........................................................................................................ 12 

4.3 Assign 

Controller# ..................................................................................... 12 

4.4 Assign 

MIDI Channel ................................................................................. 13 

5 Controller list ............................................................................................................ 14 

6 Firmware 

upgrade.................................................................................................... 17 

7 Specifications ........................................................................................................... 17 

 

 

 


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8

1 General view 

1.1 Front panel 

Pedal 1

Pedal 2

Pedal 3

 

 

1.2 Rear panel 

 

 

2 Connection 

z

 ON/OFF

 

You can use the power switch to power on/off this product.   


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9

z

 DC

 

 

You can use the DC port to connect an AC adaptor.   

z

 USB

   

You can use the USB port for computer connection.   

z

 MIDI 

OUT

  You can connect the MIDI OUT port to the MIDI IN port of another 

MIDI device. 

z

 PEDAL 

1-3

You can connect the Pedal 1-3 output to the pedal in jacks of your 

instruments.  

z

 TRIM.

  

This is the fine tuning knob for PEDAL 3. 

 

2.1 PEDAL out ports 

 

2.2  MIDI OUT port 


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 10

 

2.3 USB port 

 

 

z

  GPP-3 is an USB MIDI class compliant product; you do not have to install a 

separate device driver on WINDOWS XP/MAC OS X.

 

z

  When you connect the GPP-3 to your computer via the USB port, the OS will 

automatically install the device driver, and show the installed device driver as 

“USB Audio Device”.

 

 

3 Operation 

3.1 Power on 

z

 

You can supply the power via the USB port or an AC adaptor, then switch on the 

product. After that you can use the product to send out MIDI message through 

the MIDI OUT or the USB port.   

z

 

If you would like to use PEDAL 1-3 only, there is no need to supply power to the 

product. 

z

  The AC adaptor is optional. Please do not use an AC adaptor, other then the 

optional one, to avoid possible damage to the product.   

z

 

When powered on, the pedal LEDs are off by default.   


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 11

 

3.2 Pedal Outs 

z

 

Please use cables, with the right connectors, as below:   

Pedal out port 

Pedal type 

Connector type 

PEDAL 1 

Switch 

TS 

PEDAL 2 

Switch 

TS 

PEDAL 3 

Continuous 

TRS 

 

3.3 MIDI OUT 

z

 

Please connect the MIDI OUT port to the MIDI IN port of another MIDI device. 

z

 

Power supply via USB or AC adaptor is necessary when using MIDI OUT port.   

z

 

Each time when a pedal is depressed, the corresponded LED will flash.   

z

  Please do not use a MIDI cable which is more than 5 meters long to avoid data 

delay or loss. 

z

  By default, the product will send following MIDI messages from the MIDI OUT 

port:  

Pedal 

Controller # 

Controller type 

PEDAL 1 

CC#67 

Pedal (soft) 

PEDAL 2 

CC#66 

Pedal (sostenuto) 

PEDAL 3 

CC#64 

Pedal (sustain) 

 

3.4 USB Out 

z

 

When the USB connection is made, the power can be supplied via USB only. 

z

 

This product is Windows XP/MAC OS X USB MIDI class-compliant. 

z

 

Each time when a pedal is depressed, the corresponded LED will flash.   

z

 

By default, the product will send following MIDI messages from the USB port: 

Pedal 

Controller # 

Controller type 

PEDAL 1 

CC#67 

Pedal (soft) 

PEDAL 2 

CC#66 

Pedal (sostenuto) 

PEDAL 3 

CC#64 

Pedal (sustain) 

 

3.5 Reset 

z

  To reset the product, please depress all the three pedals, then power on the 


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 12

product. The 3 pedals will flash for 5 times, then the reset operation is 

completed.

   

z

 

The reset operation will clear all the settings, you have made to the product.

 

 

4 Settings 

 

4.1 Polarity 

z

  If you find a pedal is working in the reverse way, please change its polarity 

setting.

   

z

  Please depress the pedal you want to change, and power on the product, then 

the pedal polarity is changed.

 

 

4.2 Range 

z

 

You can adjust the data range of PEDAL3 . 

z

 

To adjust the data range, please use the fine tuning knob

TRIM.

 

4.3 Assign Controller# 

z

  By assigning a controller#, you can change the sent out MIDI messages of a 

pedal, for the MIDI OUT and the USB port.   

z

 

Follow the below steps to assign a controller#: 

I. 

After you power on the product, depress all the three pedals for 3 seconds. 

Then the 3 LEDs flash slowly to show, that the product is ready for assigning 

controller#.  

II.  Depress one of the three pedals, to select the pedal you want to assign. 

Now only the corresponded LED flashes slowly, the other two LEDs go off.   

III.  Depress the three pedals in turn, to assign the controller#. Use PEDAL1 to 

change the hundred digit, use PEDAL2 to change the tenth digit, use 

PEDAL3 to change the most right digit. As you depress the pedal, the digit 

will increase by one from 0-9, and the corresponded LED will flash once.   

z

 

Please refer to

Controller list

in a later chapter. 

z

  If no pedal is depressed for 3 seconds, after you entered the controller# 


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 13

assigning mode for a pedal, then the controller# will not be changed and you will 

enter the MIDI channel assigning mode.   

 

4.4  Assign MIDI Channel 

z

 

By assigning a MIDI channel, you can change the sent out MIDI messages of a 

pedal for the MIDI OUT and the USB port.   

z

 

Follow the below steps to assign the MIDI channel: 

I. 

After you finished the controller# assigning for a pedal  and no pedal is 

depressed for 3 seconds, you will enter the MIDI channel assigning mode 

for the same pedal, that the LED is on.   

II.  Depress the pedal that you want to assign the MIDI channel for. Each time 

you depress the pedal, the MIDI channel value will increase by one from 

0-15, which means channel 1-16, and the corresponded LED will flash once.   

III.  If no pedal is depressed for 3 seconds, the product will save the new 

settings and return to the normal power on mode. 

 


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 14

5 Controller list 

Controller# 

Controller name 

Data type 

Data range 

0 Bank 

Select 

Controller 

0-127 

1 Modulation 

wheel 

Controller 

0-127 

2 Breath 

control 

 

Controller 

0-127 

3 Undefined 

Controller 

0-127 

4 Foot 

controller 

Controller 

0-127 

5 Portamento 

time 

Controller 

0-127 

6 Data 

Entry 

 

Controller 

0-127 

7 Channel 

Volume 

Controller 

0-127 

8 Balance 

Controller 

0-127 

9 Undefined 

Controller 

0-127 

10 Pan 

Controller 

0-127 

11 Expression 

Controller 

0-127 

12 

Effect control 1   

Controller 

0-127 

13 

Effect control 2   

Controller 

0-127 

14 Undefined 

Controller 

0-127 

15 Undefined 

Controller 

0-127 

16 

General Purpose #1 

Controller 

0-127 

17 

General Purpose #2 

Controller 

0-127 

18 

General Purpose #3 

Controller 

0-127 

19 

General Purpose #4 

Controller 

0-127 

20 Undefined 

Controller 

0-127 

21 Undefined 

Controller 

0-127 

22 Undefined 

Controller 

0-127 

23 Undefined 

Controller 

0-127 

24 Undefined 

Controller 

0-127 

25 Undefined 

Controller 

0-127 

26 Undefined 

Controller 

0-127 

27 Undefined 

Controller 

0-127 

28 Undefined 

Controller 

0-127 

29 Undefined 

Controller 

0-127 

30 Undefined 

Controller 

0-127 

31 Undefined 

Controller 

0-127 

32 Bank 

Select 

Controller 

0-127 

33 Modulation 

wheel 

 

Controller 

0-127 

34 Breath 

control 

 

Controller 

0-127 

35 Undefined 

Controller 

0-127 

36 Foot 

controller 

Controller 

0-127 

37 Portamento 

time 

Controller 

0-127 

38 Data 

entry 

 

Controller 

0-127 

39 Channel 

Volume 

Controller 

0-127 

40 Balance 

Controller 

0-127 

41 Undefined 

Controller 

0-127 

42 

Pan 

Controller 0-127 


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 15

Controller# 

Controller name 

Data type 

Data range 

43 Expression 

Controller 

0-127 

44 

Effect control 1   

Controller 

0-127 

45 

Effect control 2   

Controller 

0-127 

46 Undefined 

Controller 

0-127 

47 Undefined 

Controller 

0-127 

48 

General Purpose #1 

Controller 

0-127 

49 

General Purpose #2 

Controller 

0-127 

50 

General Purpose #3 

Controller 

0-127 

51 

General Purpose #4 

Controller 

0-127 

52 Undefined 

Controller 

0-127 

53 Undefined 

Controller 

0-127 

54 Undefined 

Controller 

0-127 

55 Undefined 

Controller 

0-127 

56 Undefined 

Controller 

0-127 

57 Undefined 

Controller 

0-127 

58 Undefined 

Controller 

0-127 

59 Undefined 

Controller 

0-127 

60 Undefined 

Controller 

0-127 

61 Undefined 

Controller 

0-127 

62 Undefined 

Controller 

0-127 

63 Undefined 

Controller 

0-127 

64 Damper 

pedal 

Controller 

0-127 

65 Portamento 

on/off 

Controller 

0-127 

66 Sustenuto 

on/off 

 

Controller 

0-127 

67 Soft 

pedal 

on/off 

Controller 

0-127 

68 Legato 

Footswitch 

Controller 

0-127 

69 Hold 

 

Controller 

0-127 

70 Sound 

Variation 

Controller 

0-127 

71 Timbre/Harmonic 

Intens. 

Controller 

0-127 

72 Release 

Time 

Controller 

0-127 

73 Attack 

Time 

Controller 

0-127 

74 Brightness 

Controller 

0-127 

75 Decay 

Time 

Controller 

0-127 

76 Vibrato 

Rate) 

Controller 

0-127 

77 Vibrato 

Depth 

Controller 

0-127 

78 Vibrato 

Delay 

Controller 

0-127 

79 Sound 

Cont. 

Controller 

0-127 

80 

General Purpose #5 

Controller 

0-127 

81 

General Purpose #6 

Controller 

0-127 

82 

General Purpose #7 

Controller 

0-127 

83 

General Purpose #8 

Controller 

0-127 

84 Portamento 

Control 

 

Controller 

0-127 

85 Undefined 

Controller 

0-127 

86 Undefined 

Controller 

0-127 

87 Undefined 

Controller 

0-127 

88 Undefined 

Controller 

0-127 

89 Undefined 

Controller 

0-127 


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 16

Controller# 

Controller name 

Data type 

Data range 

90 Undefined 

Controller 

0-127 

91 

Reverb Send Level 

Controller 

0-127 

92 Tremolo 

Depth 

Controller 

0-127 

93 

Chorus Send Level 

Controller 

0-127 

94 Celeste/Detune 

Depth 

Controller 

0-127 

95 Phaser 

Depth 

Controller 

0-127 

96 

Data entry +1 

Controller 

0-127 

97 

Data entry -1 

Controller 

0-127 

98 NRPN 

LSB 

Controller 

0-127 

99 NRPN 

MSB 

Controller 

0-127 

100 RPN 

LSB 

Controller 

0-127 

101 RPN 

MSB 

Controller 

0-127 

102 Undefined 

Controller 

0-127 

103 Undefined 

Controller 

0-127 

104 Undefined 

Controller 

0-127 

105 Undefined 

Controller 

0-127 

106 Undefined 

Controller 

0-127 

107 Undefined 

Controller 

0-127 

108 Undefined 

Controller 

0-127 

109 Undefined 

Controller 

0-127 

110 Undefined 

Controller 

0-127 

111 Undefined 

Controller 

0-127 

112 Undefined 

Controller 

0-127 

113 Undefined 

Controller 

0-127 

114 Undefined 

Controller 

0-127 

115 Undefined 

Controller 

0-127 

116 Undefined 

Controller 

0-127 

117 Undefined 

Controller 

0-127 

118 Undefined 

Controller 

0-127 

119 Undefined 

Controller 

0-127 

120 

All Sound Off 

Controller 

0-127 

121 

Reset All Controllers 

Controller 

0-127 

122 Local 

control 

on/off 

 

Controller 

0-127 

123 

All notes off 

Controller 

0-127 

124 

Omni mode off 

Controller 

0-127 

125 

Omni mode on   

Controller 

0-127 

126 

Poly mode off 

Controller 

0-127 

127 

Poly mode on   

Controller 

0-127 

 


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 17

6 Firmware upgrade 

z

  You can upgrade the firmware of GPP-3 via an USB connection, by using the 

upgrade program. 

z

  To enter the upgrade mode, please depress both PEDAL1 and PEDAL3. Now 

power on the product. 

z

  You can find the upgrade program and the instructions on the CME web site.

http://www.cme-pro.com

7 Specifications 

z

 Pedal 

—

  3 pedals including two switch pedals and one continuous pedal. 

 

z

 Functions 

—

 Basic 

functions: 

switch data and continuous data. 

—

  MIDI data sent: Controller# change. 

—

  Parameter change: MIDI send channel and MIDI controller type. 

 

z

 

Panel Controls and Indicators 

—

  3 LED indicators 

 

z

 Input/Output 

Terminals 

—

  MIDI OUT, PEDAL out 1

3, USB port, DC IN port

POWER switch. 

 

z

 Power 

Supply 

—

  Power can be supplied via USB port (when connected to computer via USB) 

—

  Power can also be supplied via AC Power Adaptor (When used separately.) 

—

  AC Power Adaptor requirement: 9V 500mA 

 

 

z

 

Dimensions (W x D x H) 

—

 GPP-3

373*278*97.5

mm

 

 

z

 

Weight : 4 kg 

 

* Specifications and appearance are subject to change without notice. 


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2006-Aug 

 

 

 

 

 

 

Central Music Co. 

Tel: +86-10-8580 1115 

Fax:+86-10-8580 1114 

Web: www.cme-pro.com 

E-mail for support: support@cme-pro.com