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Table of Contents
Related Manuals for Korg GEC3
Summary of Contents for Korg GEC3
- Page 1 GEC3 User Manual...
- Page 3 GEC3 User Manual...
- Page 4 • Be careful not to let metal objects get into the recommend that you save important data. equipment. If something does slip into the Please be aware that Korg will accept no equipment, unplug the AC/AC power supply responsibility for any damages that may result from the wall outlet.
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Page 5: Table Of Contents
Front ........................17 Back ........................18 QUICK START......................19 BASIC HOOK UP....................19 Audio Cables for the GEC3 ..................20 Audio Cables for the SI Boxes ................21 GEC Installation Hardware ..................22 Replacement Hardware..................22 “OUT OF BOX” OPERATION ................22 TOP 10 HOW-TO’S ................... - Page 6 SETTING UP STUDENT NAMES FOR A CLASS ........39 LECTURE MODE ....................41 PLAY TAB ......................41 How to… ....................... 42 SETUP TAB......................44 How to… ....................... 45 Volume, Global & Disc Tabs ................... 46 PRACTICE MODE....................47 PLAY TAB ......................47 How to…...
- Page 7 Sizing Cables ......................87 THE INSTALLATION STAGE ................87 Positioning Equipment ................... 87 Mounting the SI’s ....................88 Positioning the GEC3..................... 88 Connect Cabling....................88 GEC3 Connections ....................88 More on the Communication Cables ............... 89 Crimping Your Own Cables ..................90 Troubleshooting.....................
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Page 9: Using This Manual
The mode and tab descriptions follow the actual setup of the modes and tabs on the GEC3, making it easy to find the section you want. Each chapter is described below. The last chapter is an installation guide, to be used by GEC3 Administrator, or the person in charge of installing the unit. - Page 10 Installation – This chapter gives information and suggestions for planning, ordering equipment, and installing your GEC3 system. Someone knowledgeable and skilled in electronics and classroom setup should perform the setup procedure. Setup should not be attempted by a layperson.
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Page 11: Meet The Gec3
Meet the GEC3 Meet the GEC3 This section gives an overview to the features and functions of the GEC3. In addition, it introduces the GEC3 (main teacher unit) and back-panel and the SI (Student units). The Basics section also describes some features and screens of the GEC3 that apply to multiple modes and are referred to several times in the rest of this manual. - Page 12 The GEC3 is the name of the system as a whole, and it also refers to the teacher unit of the entire GEC3 interface. The GEC3 is used to perform all the functions described in the...
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Page 13: Teacher (Gec3) Unit
All functions of the GEC3 (with the exception of powering on the unit and selecting modes) are served from the screen. -
Page 14: Power On
Meet the GEC3 Power On When you press the On button, the GEC3 logo appears while the unit performs self-test. It looks like this: All student units are tested and reported with on of the following symbols: O – for “OK” if all SI units are connected. -
Page 15: Back Panel
If you are not using the Split Feature, A+B is active by default, and you do not have use for these buttons. Back Panel The Back Panel of the GEC3 is where all connections to Student Communication Interfaces, keyboards and external devices are made. The back panel looks like this: Fields... -
Page 16: Student Communications Interface (Si) Units
RJ45 connectors for connecting cables to SI units. Student Communications Interface (SI) Units The Student Communications Interfaces (SI) units are the student units connected to the GEC3. The SIs are not described in great detail, as their functionality is relatively simple. They look like this:... -
Page 17: Front
Meet the GEC3 Front Fields The following is a list of buttons and jacks that can be accessed from the front of the SIs: Switch/Socket Description Call Student presses to send a Call to the teacher, indicating that they want to communicate with the teacher. -
Page 18: Back
GEC3 is powered on. DO NOT PLUG OR UNPLUG SI BOXES (STUDENT UNITS) WHILE THE GEC3 IS TURNED ON. Permanent damage to the GEC3 and/or the SI boxes may occur if student units are plugged or unplugged into the system when the GEC3 is turned... -
Page 19: Quick Start
By adding the optional GECEXP expansion card to the GEC3 Teacher unit, up to 32 SI boxes can be hooked up to the system. The cable used to connect SI boxes to the GEC3 Teacher unit is conventional category 3 or category 5 (recommended) Ethernet cable. Both ends of the cables terminate in standard computer networking RJ45 connectors. -
Page 20: Audio Cables For The Gec3
GEC3 is powered on. DO NOT PLUG OR UNPLUG SI BOXES (STUDENT UNITS) WHILE THE GEC3 IS TURNED ON. Permanent damage to the GEC3 and/or the SI boxes may occur if student units are plugged or unplugged into the system when the GEC3 is turned SI box #1... -
Page 21: Audio Cables For The Si Boxes
The GEC3 has a MIDI IN and a MIDI OUT port. • MIDI IN – the MIDI OUT port of the Teacher Instrument can be connected to the GEC3 MIDI IN port via a conventional MIDI cable. When “ALL CALL” is enabled on the... -
Page 22: Gec Installation Hardware
GEC3 as is. If this is how you decide to use the GEC3, you will be using the default teacher preferences and you will not have the capability to assign class preferences, setup classes with class names and assigned student workstations. - Page 23 This example uses the Aux1 but the procedure is the same for devices plugged into Aux2. Make sure the auxiliary source you want to use is connected to the back panel of your GEC3. (AUX. IN for Aux 1 device and AUX IN 2 for Aux 2 device). Press the Lecture mode button.
- Page 24 You will be able to hear that student’s mic and instrument, but they will not be able to hear yours, and they will not be aware that you can hear their instrument or mic. The student keyboard group will be highlighted on your GEC3 unit to indicate that you are eavesdropping on that student.
- Page 25 Quick Start Press the Play tab from the row of tabs at the bottom of the screen. Press the number corresponding to where a student is sitting in the classroom twice. To end communication, press the Practice Mode button or select another student. How to link student workstations into “Duets”...
- Page 26 This feature is useful if you want to have student’s remove headsets and listen to a mu sical piece, or if you have a situation where there are some people present in the room who are not on a GEC3 unit (for example: concert for parents).
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Page 27: Basics For Using The Gec3
Basics for Using the GEC3 Basics for Using the GEC3 This section gives you information on the keypad (a frequently used screen on the GEC3) and introduces the selection types that appear on the various screens on the GEC3. The QWERTY Keypad, described below, is used whenever you want to enter data into the GEC3 memory. - Page 28 Basics for Using the GEC3 Fields Button Description Keyboard The keyboard group number of the selection you opened. If the GEC3 is in Group split function, you can add or edit both students assigned to a keyboard group. Number (13) Field The field into which you are entering data, in this case, the name of the Student(s) in the keyboard group.
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Page 29: Selection Types
(the teacher) and your instrument only. All other selections and button presses (like student box, two way communication, etc.) are disabled. The remainder of the manual takes you through the various modes and tabs on the GEC3. -
Page 31: Class & Teacher Preferences, Class Setup
Setup each class using the Setup tab. Adding Teacher Names Teacher information can be set up for up to 16 teachers on the GEC3. It does not matter which mode you are in. Open the Global tab by pressing Global from the row of tabs at the bottom of the screen. - Page 32 Class & Teacher Preferences, Class Setup Figure 2 Press on the arrow next to the Teacher field on the Global tab. The following screen displays, listing all undefined teacher names. Figure 3 Press the E next to an Undef. teacher field to add a new teacher. The Edit Teacher Information screen displays.
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Page 33: Adding Class Names
Press Save Global Setup to save changes. Adding Class Names Class information can be set up for up to 128 classes on the GEC3. All the other class setup and features for a class must be associated with this class name. It does not matter which mode you are in. - Page 34 Class & Teacher Preferences, Class Setup Figure 5 Press the E next to an Undefined class field to add a new class. The Edit Class Info window displays. It looks like this: Figure 6 Press the T next to the Class field to access the QWERTY Keypad to enter a class name in this field.
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Page 35: Assigning Teacher Preferences
SI units will not function. This option is convenient - uncheck for use in cases where a study hall or other not music-related class is being taught in a lab equipped with GEC3 equipment, and you don’t want students to play with equipment. - Page 36 Classes are linked to teachers – If you select a teacher name (see Teacher Name above) the classes corresponding to that teacher display. A total of 128 class periods can be stored in the GEC3 memory. Class names are added, and names and preferences are edited using Edit Class Info, described below.
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Page 37: Assigning Class Preferences
Class & Teacher Preferences, Class Setup Press Save Global Setup to save changes. Assigning Class Preferences Open the Global tab by pressing Global from the row of tabs at the bottom of the screen. Press on the arrow next to the Teacher’s Name field to select the teacher whose class(es) you would like to set preferences for. - Page 38 Classes are linked to teachers – If you select a teacher name (see Teacher Name above) the classes corresponding to that teacher display. A total of 128 class periods can be stored in the GEC3 memory. Class names are added, and names and preferences are edited using Edit Class Info, described below.
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Page 39: Setting Up Student Names For A Class
SI units will not function. This option is convenient - uncheck for use in cases where a study hall or other not music-related class is being taught in a lab equipped with GEC3 equipment, and you don’t want students to play with equipment. - Page 40 Repeat the procedure for each class you need to setup. You are now ready to use the GEC3 for instruction in a class setting. Read through the following chapters to understand the functionality and features available to you in each mode.
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Page 41: Lecture Mode
Setup – The Setup tab looks like Play tab. The Setup tab is used to assign and maintain students in a class in the GEC3. You can edit a student’s name from the Setup tab, regardless of what mode you are in. -
Page 42: How To
Figure 7 Note: When the GEC3 is using the Split Feature (as in the above figure) the top name in each keyboard group is Student A and the second is Student B. For example, Ted is student 4A and Vivi is student 4B. - Page 43 If you have an expanded GEC3, which can accommodate up to 32 workstations, students from a different set of 16 (17-32, 33-48), can be accessed by scrolling to that screen to access the student’s name.
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Page 44: Setup Tab
INSTRUMENT IN connection on the back panel of the GEC3 and play your instrument. Setup Tab The Setup tab is used to assign and maintain students in a class in the GEC3. You can edit a student’s name from the Setup tab, regardless of what mode you are in. -
Page 45: How To
Lecture Mode How to… Open a Class (from which to view or edit student names) All assigned student names are associated with a class. To bring up a class, you must first assign that class a name using the Class Selection and Edit screen. Prior to viewing or editing student names on this screen, open the class you wish to view or modify using the following procedure. -
Page 46: Volume, Global & Disc Tabs
Lecture Mode Volume, Global & Disc Tabs See the section Shared Tabs – Volume, Global & Disc for more information on any of these tabs in Lecture mode. -
Page 47: Practice Mode
Setup – The Setup tab looks like Play tab. It is used to assign and maintain students in a class in the GEC3. You can edit a student’s name from the Setup tab, regardless of what mode you are in. This tab functions the same way in this mode as it does in Lecture mode. -
Page 48: How To
Practice Mode The Play tab is the operational screen – you use it when you want to “eavesdrop” on students or initiate 2 way communication with them. When you enter the Play tab, you cannot hear students (except a beep if a student presses their Call button, see below) and they cannot hear you- but everyone can hear themselves. - Page 49 You will be able to hear that student’s mic and instrument, but they will not be able to hear yours, and they will not be aware that you can hear their instrument or mic. The student keyboard group will be highlighted on your GEC3 unit to indicate that you are eavesdropping on that student.
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Page 50: Setup Tab
Practice mode. Setup Tab The Setup tab is used to assign and maintain students in a class on the GEC3. You can edit a student’s name from the Setup tab, regardless of what mode you are in. -
Page 51: How To
Practice Mode Figure 10 How to… Open a Class (from which to view or edit Student Names) All student names are associated with a class. To bring up a class, you must first assign that class a name using the Class Selection and Edit screen. Prior to viewing or editing student names on this screen, open the class you wish to view or modify using the following procedure: Open the Global tab, by pressing Global from the row of tabs at the bottom of the screen. -
Page 52: Volume, Global & Disc Tabs
Practice Mode View or Edit a Student’s Name Press a student's keyboard group in Setup mode to bring up the QWERTY Keypad. Use the QWERTY Keypad to enter each student’s name into the Student Name field. See the section QWERTY Keypad in Basics for instructions on how to use the keypad. Close the QWERTY Keypad after you finish entering each student, and start the procedure again for each student name you are entering. -
Page 53: Group Mode
Global Tab in the Shared tabs chapter of this guide. • Disk - The Disk tab is used to backup information in the GEC3 and to initiate system exclusive data transfers to configure popular lab keyboards for use with the GEC3’s Split Feature. -
Page 54: Play Tab
Group Mode Play Tab Note: The Play tab is the default screen for Group mode. The Play tab is the operational screen – you use it when you want students to practice in groups. You can use the Play tab to select groups on which to “eavesdrop” or to select groups with which to communicate, and to setup short-term groups. -
Page 55: How To
Group Mode How to… Eavesdrop on a group Press any student’s name (who is part of the group on which you want to eavesdrop). You will be able to hear every student who is part of that group’s mics and instruments, but they will not be able to hear you, and they will not be aware that you can hear their instruments and mics. -
Page 56: Load Group Screen
(up to 4 custom groups can be created for each class stored in the GEC3 - see the Setup tab section in this chapter for information on how to configure custom, recallable groups). -
Page 57: Configuration Screen (Play Tab)
SI 1, SI 2, SI 3 and SI 4 are grouped, students at SI 5, SI 6, SI 7 and SI 8 are grouped, etc. Config 1 Custom groups can be configured on the GEC3. See the section Setup Tab, in thru this chapter, for more information on configuring custom groups. Select a Config 4 custom configuration here. - Page 58 Group Mode Figure 13 Select the group you want the student to belong to. Select GR.OFF if you do not want the student assigned to a group. (You can use this setting if it is not appropriate for that individual to be assigned to a group and you want them to work independently.
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Page 59: Setup Tab
The Setup tab looks like the Play tab. Regardless of what mode you are in, you can use it to assign student names to SI units in the GEC3. In Group mode, you can also use the Setup tab to customize and save student groups for each class. -
Page 60: Group Setup Screen
Group Mode students #2, #5 and # 7 to be in a group that you can later recall. Groups that are assigned via this screen are named (by default, Config 1, Config 2, etc. that can be changed to custom names) and can be recalled for later use. -
Page 61: Fields
Group Mode Fields Button/Field Description Config 1 Select a group for which you want to perform any of the below lis ted thru activities. For example, select Config 2 if you want to save the displayed Config 4 settings on Setup screen (Using Save Config As option, described below) as Config 2. - Page 62 Group Mode Press SAVE CONFIG AS. Press BACK to return to the Setup screen. This configuration will now be available for future use. Load a group configuration Load configuration allows you to bring up previously saved configurations. You might use this option if you need to edit a configuration setting.
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Page 63: Shared Tabs - Volume, Global & Disc
Shared Tabs Shared Tabs – Volume, Global & Disc The Volume, Global and Disc tabs are shared tabs. Shared tabs can be accessed regardless of what mode you are in. In addition, the features and functionality of the tabs is identical regardless of what mode you are in –... -
Page 64: Fields
QWERTY Keypad to enter the source name. This may be a static setting already set up on the GEC3, in which case, it is only an indictor of what Auxiliary source coincides with Aux 1, and should not be changed. -
Page 65: How To
Your system administrator or installation professional should set up the auxiliary sources when they are setting up the GEC3 for initial use. However, you might need to change the auxiliary source if you are using an instrument, CD player, tape deck or other auxiliary source that is not usually used in your classroom or studio. - Page 66 Set up your auxiliary system (for example, a tape player/recorder) to record – there is no need to change any setting on your GEC3. If your auxiliary system is set up to record, it will record the audio you are hearing in the teacher headset, regardless of what screen you are viewing or...
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Page 67: Global Tab
Because you associate settings to classes, when you start the GEC3, you do not need to bring up the settings - the GEC3 does it automatically. -
Page 68: Class/Teacher Setup - Teacher Mode
Description Teacher Sixteen teacher names can be stored in the GEC3. Teacher names are added, and names and preferences are edited, using the Edit Teacher Info screen, described in the Edit Teacher Info section of this guide. Selecting a teacher here (if listed) brings up the associated settings. - Page 69 Inst field is not checked, SI units will not function. This option is convenient for use in cases where a study hall or other not music-related class is being taught in a lab equipped with GEC3 equipment, and you don’t want students to play with equipment.
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Page 70: How To
Classes are linked to teachers – If you select a teacher name (see Teacher Name above) the classes corresponding to that teacher display. A total of 128 class periods can be stored in the GEC3 memory. Class names are added, and names and preferences are edited using Edit Class Info, described below. -
Page 71: Class/Teacher Setup - Class Mode
Shared Tabs Make the selections that you want to be associated with the teacher name in the Teacher Preferences group box. You must assign a name to the teacher you are setting preferences for. If you have not yet done this, see the Teacher Selection and Edit Screen section in this chapter of the manual for instructions on how to associate these settings with a teacher name. -
Page 72: Fields
Description Teacher Sixteen teacher names can be stored in the GEC3. Teacher names are added, and names and preferences are edited, using the Edit Teacher Info screen, described in the Edit Teacher Info section of this guide. Selecting a teacher here (if listed) brings up the associated settings, and in the Class field, lists associated Classes. - Page 73 Shared Tabs Field Description 4 X 4 View View determines how the SI keyboard group units are numbered in Play, Setup and other screens. Select this field to number seats in a 4 by 4 pattern (or horizontally) as shown: If you are using the expansion unit and have a second set of seats, they are numbered in the same pattern, numbers 17 thru 32.
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Page 74: How To
Classes are linked to teachers – If you select a teacher name (see Teacher Name above) the classes corresponding to that teacher display. A total of 16 class periods can be stored in the GEC3 memory for each teacher. Class names are added, and names and preferences are edited using Edit Class Info, described below. -
Page 75: Examples
The first four settings allow his students to use their instruments and share keyboards (as there are more students in each class than there are keyboards). The last two ensure that they are appropriately displayed on his GEC3. -
Page 76: Teacher Selection And Edit Screen
Pressed Disk to open the Disk tab. Pressed Save Global Setup to save changes. Teacher Selection and Edit Screen The Teacher Selection and Edit screen can be accessed from the Global tab. Teacher information can be set up for up to 16 teachers on the GEC3. - Page 77 Shared Tabs How to Edit Teacher Information Press on the arrow next to the Teacher field on the Global tab. The following screen displays, listing all the teacher names already entered. Figure 21 Press the E next to a teacher’s name to edit information for that teacher, or the E next to an Undef.
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Page 78: Class Selection And Edit Screen
The Class Selection and Edit Screen can be accessed from the Global tab. Class information can be set up for up to 128 classes on the GEC3. The class name is setup on this screen. All the other class setup and features for a class must be associated with this class name;... - Page 79 Shared Tabs Figure 23 Press the E next to a class to edit info for that class, or the E next to an Undefined class field to add a new class. The Edit Class Info window displays. It looks like this: Select from the following fields: Field Description...
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Page 80: Disk Tab
MIDI, by attaching a MIDI cable to the MIDI OUT port of the GEC3 and the MIDI IN port of one of the defined electronic keyboards. The Disk tab looks like this:... -
Page 81: Fields
Load MIDI Press to upload MIDI information from a Smart Media card, if settings for keyboards in use are not pre-programmed on GEC3. MIDI contents cannot be loaded when All Call is active. Turn off All Call before loading! MIDI Sys. Exclusive Commands Group Box Default MIDI Selected keyboard makes and models are listed here. - Page 82 Shared Tab Wait until action is competed, then continue GEC3 use. Save Class Setup Make sure the system is set as you would like it to be backed up. Press Save Class Setup. The Saving/Loading screen displays. It looks like this: Wait until action is competed, then continue GEC3 use.
- Page 83 These custom splits have already been defined for popular Korg keyboards and can be delivered via MIDI system exclusive commands.
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Page 85: Installation
Installation Installation Note: When installing your music laboratory, we strongly urge you to adhere to local building and electrical codes. If you are not familiar with local building regulations for the installation of electrical equipment in your school or studio, seek assistance from maintenance personnel, electrical contractors, and/or local government (county or township) offices for information. -
Page 86: Cabling Estimates And Requirements
Signals from the student instruments and student computers to the SI’s. All the audio inputs and outputs on the rear panel of the GEC3 , as well as the SI’s student instrument inputs, utilize standard phono jack connectors. See the “Position Your Equipment”... -
Page 87: Sizing Cables
Teacher Instrument connected to the MIDI IN port of the GEC3. Using the MIDI THRU port of the first student keyboard, the second student keyboard can be included in the MIDI system as well. This can be repeated to include all student keyboards in the lab. -
Page 88: Mounting The Si's
Start with the AC cabling. • Next, connect the fixed audio, modular, and speaker cabling (that is, cabling for devices, such as the GEC3, SI’s, and teacher and student instruments that you don’t expect to move). • Finally, lay down cabling for any devices that you think may have to be moved from time to time. -
Page 89: More On The Communication Cables
• If the GEC3 is to be connected to an external amplification system, connect the Room Outs to the amplifier, receiver, or powered monitors at this time. Of particular concern are the AC, audio and communications (modular) cabling runs themselves. -
Page 90: Crimping Your Own Cables
Brown Note: If the cables are not crimped properly, permanent damage may be caused to the GEC3 and/or the SI’s. If you have questions regarding crimping procedures or you do not feel confident in completing the cabling process, contact your local Korg Educational Dealer or Korg U.S.A. -
Page 91: Index
Basic Hook Up, 19 Connection cables, 19 Basics, 9, 11 Crimping cables, 19, 90 Basics for using GEC3, 27 Cueing up an auxiliary device, 66 Bringing a student into lecture, 43 Definitions, 29 Bringing a student who called from their SI into... - Page 92 GEC3 Connections, 88 Load group screen, 56 Mounting the SI’s, 88 Play tab", 54 Positioning equipment, 87 Setup tab, 59 Positioning the GEC3, 88 Group setup screen, 60 SI Connections, 88 Group Setup screen The Installation stage, 87 Field descriptions, 61...
- Page 93 Screen and features, 42 Example, 75 Playing to the class, 44 Setting up a class, 39 Positioning equipment, 87 Setting up an auxiliary source, 65 Positioning the GEC3, 88 Settings Power on, 14 Brought up automatically, 67 Practice mode, 47 For GEC3, 67...
- Page 94 Index Setup tab, 44, 50 Teacher preferences, 31 Screen and features, 44, 50 Assigning, 35 Shared tabs, 63 Teacher Selection and Edit Screen Global tab, 67 Global tab, 31, 76 Volume tab, 63 Screen and fields, 77 SI Connections, 88 Teacher setup, 68 SI Units Field descriptions, 35, 68...