Yamaha Operation Guide

User Manual: Yamaha Operation Guide

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 1

Operation Guide

DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 2

Yamaha LC4 Operation Guide

Contents

Page

Controlling the Volume of the Teacher’s
Speaking Voice (Microphone) . . . . . . . . . . . . . 1
Controlling the Teacher’s Instrument
Volume Level . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Selecting Students . . . . . . . . . . . . . . . . . . . . . . . . . 2
Interacting With a Single Student . . . . . . . . . . . . . 4
Listening to a Single Student. . . . . . . . . . . . . . . . . 4
Broadcasting a Single Student
for the Entire Class . . . . . . . . . . . . . . . . . . . . . 5
Addressing and Isolating
All Students Simultaneously . . . . . . . . . . . . . . 6
Allowing the Entire Class to Interact. . . . . . . . . . . 7
Quickly Resetting All Buttons. . . . . . . . . . . . . . . . 8
Muting All Student Instruments . . . . . . . . . . . . . . 8
Setting Students In PAIRS . . . . . . . . . . . . . . . . . . 9
Interacting with a PAIR . . . . . . . . . . . . . . . . . . . . 9
Grouping Students . . . . . . . . . . . . . . . . . . . . . . . . 10
Storing Custom Settings
(RECALL MEMORY) . . . . . . . . . . . . . . . . . . 13
Recalling Custom Settings . . . . . . . . . . . . . . . . . . 14
Using a CD or MP3 Player . . . . . . . . . . . . . . . . . 15
Recording a Student’s Performance (Audio) . . . . . 16
Using External Powered Speakers . . . . . . . . . . . . . 16
Using the AUX Input. . . . . . . . . . . . . . . . . . . . . . 17
Using the optional LC4 Wireless Kit . . . . . . . . . . 18

DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 1

Controlling the Volume of the Teacher’s Speaking Voice (Microphone)
With the MIC button on, move the MIC slider up to the desired voice level.

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Controlling Teacher’s Instrument Volume Level
Use the built-in volume control on your instrument to raise or lower its volume in the LC4 lab.
It’s the only instrument volume control you need be concerned with.

Volume knob on Yamaha CP300

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 2

Selecting Students
A BANK light will always be on no matter how many students are in the LC4 lab. The light will
show the bank of students 1-8 at the bottom of the control unit. A fully expanded LC4 system will
have a total of six banks (48 students). Each bank has eight students organized in the following
fashion:
BANK 1-8

BANK 9-16

BANK 17-24

BANK 25-32

BANK 33-40

BANK 41-48

Not all LC4s will have all banks available. It depends on the number of expansion cards installed on
the system. For LC4s with less than all expansion cards installed, the BANK select button will only
cycle through banks installed in the system. It then returns to the first bank and cycles through
again. Labs with no expansion cards will be locked on BANK 1-8.
Teachers of larger, expanded labs will find themselves jumping through banks quite frequently since
they can only view the status of eight students at a time. For example, to confirm that students 3
and 13 are together, toggle between Bank 1-8 and 9-16 using the BANK button.

(1

)

TO 25 33
G
G
LE

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A handy table of numbers is printed on the control unit to help you quickly find the buttons of
students in the various BANKS. For example, button 6 enables students 6, 14, 22, 30, 38, and 46
depending on the currently selected BANK.
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Example One
When listening to student 3, the BANK button would be set where the first light (1-8) is lit and
student button 3 would be on.

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Example Two
To listen to student 10, press the BANK button until the second light is lit (signifying BANK
9-16). Then, press button number two for student 10.

(1

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 4

Interacting With a Single Student
This is essentially paying a visit to a student’s virtual practice room. Once in the correct bank, select
the student button and then turn on the MIC button. Think of turning on the MIC button as
opening the practice room door. Make sure your MIC volume is up by using the MIC slider. When
you’re ready to leave this student’s practice room, press the lit student button to turn it off.

(3

(4

(1

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)

)

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(2

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In this example, you are interacting with student 5.

Listening to a Single Student
If you want to listen in on a student without talking to them, the equivalent of putting your ear to
the door, do not select the MIC button. You will know a student is selected when the light above
their number is on. When the MIC button light is not on, the student can not hear you speak.

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 5

Broadcasting a Single Student for the Entire Class
Select a student as if you were going to work with them, then turn on the BROADCAST button.
The selected student’s performance will be heard by entire class.
To exit this mode, effectively sending all students back to their virtual practice rooms, turn
BROADCAST off by touching the student button again.

(3

(1

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In this example, student 5 is playing for the class; you can make comments with MIC on.

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Addressing and Isolating All Students Simultaneously
To speak to and play for all students without hearing their instruments, and without them being
able to hear each other, press the ALL button (the MIC will come on automatically). The students
will not be able to hear each other speak or play but they will hear their own instruments. This is
the key difference of engaging the ALL button versus switching on every student button (in every
Bank). The latter would have the students interacting with each other. Engaging ALL is like visiting
each and every student in their virtual practice room at the same time... and the students never
leave their rooms. To cancel this mode, press the ALL button so its light turns off.

(1

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Allowing the Entire Class to Interact... the MEGAGROUP
This is essentially your “all together now” mode. You can hear students, students can hear you, and
students can hear each other speak and play. In a simple 8-student (non-expanded) lab, this can be
as simple as turning on student buttons 1, 2, 3, 4, 5, 6, 7 and 8. But in an expanded lab this would
have to be done for each bank. Yamaha has created a handy shortcut to get all student buttons on
or off quickly. RECALL MEMORY 7 and RECALL MEMORY 8 are reserved for these important
tasks.* Simply tap (don’t hold) the RECALL button and then tap student button 7 to activate all
student buttons as a MEGAGROUP. This one action engages every student button across all banks.
You will know your lab is in this mode by seeing every student light on, the MIC light on, and the
GROUP A button flashing. To clear the MEGAGROUP, sending all students back to their virtual
practice rooms, tap the RECALL button and then tap student button 8.

(2

)

(1

OR

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*Learn more about RECALL MEMORY on pages 13-14.

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Quickly Resetting All Buttons
If you’re unsure about which settings/buttons are on or off, press and hold the MUTE ALL button and
then tap the ALL button. This resets all of the controller’s student unit buttons to off. This is the same as
turning the power off and then on again without making a trip to the power button on the hub.

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Muting All Student Instruments
When it’s time for students to pay attention, temporarily disable their instruments by turning the
MUTE ALL button on. Note: student MICs are active but reduced in volume.

8

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Setting Students In PAIRS
To quickly get students working in simple pairs (two students per virtual practice room), press the
PAIRS button. This will automatically place student 1 with 2, 3 with 4, 5 with 6, etc.

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Interacting with a PAIR
With the PAIRS button on, press the student selector button of either member of a pair and turn
on MIC. Notice that both lights turn on with a single button press. Work with pairs exactly as you
would with individual students.

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In this example, students 7 and 8 make up a pair.

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Grouping Students
If simply pairing students isn’t flexible enough for your needs, the LC4 Lab allows you to create
easily recallable Groups. Think of a Group as a kind of virtual practice room in which multiple
students can meet at the same time. You can have as many as four Groups (A/B/C/D) set up in the
Controller at any given time. To group a set of students, press and hold GROUP button A, B, C
or D as desired, select the BANK for the student(s) desired, and turn on the appropriate student
buttons for that Group. Students from different banks may be grouped together in any combination
within the four available Groups.
A flashing light next to Group button A, B, C or D indicates that the teacher is currently working
with that Group. A steady light next to button A, B, C and D indicates that the Group is active and
working with each other but without the teacher.
Keep in mind that RECALL MEMORY 7 and RECALL MEMORY 8 are factory pre-set Groups for
engaging and clearing. RECALL MEMORY 7 sets up GROUP A with all student buttons on… a
MEGAGROUP (Groups B/C/D are empty in this memory). RECALL MEMORY 8 has all four
Groups empty of students. To create this clean slate as a starting point for building Groups, simply
tap the RECALL button and then tap student button 8.

Example One
To set students 1, 3, 7 and 8 into a Group, press and hold GROUP button A, select BANK 1-8,
press student 1 then 3 then 7 then 8. Release the GROUP button A and it will begin to flash,
indicating the Group is active and the teacher is with them. To speak with the Group, turn on
the MIC button.
(1

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TA

H

P

LD
O

(3

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 11

Example Two
Students 1, 3, 5 and 7 are Group A, students 2, 4, 6 and 8 are Group B, students 9, 10, 11 and 12
are Group C, and students 13, 14, 15 and 16 are Group D. In the illustration below, you are working
with GROUP A, which has a flashing light. Groups B, C and D are working by themselves.

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Example Three
You are working with GROUP B, which has a flashing light. A, C and D are working by themselves.

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Example Four
You are working with GROUP C, which has a flashing light. A, B and D are working by themselves.

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Example Five
You are working with GROUP D, which has a flashing light. A, B and C are working by themselves.

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It’s possible to group students from more than one bank—students 1 and 3 with student 10 and 11,
for example. Simply press and hold the GROUP A button, select BANK 1, tap student 1 then 3,
next select BANK 2 by pressing the BANK button and tap student number 10 (button 2) and 11
(button 3). Release the GROUP button A and it will begin to flash indicating the group is active
and you are working with them.

Storing Custom Settings (RECALL MEMORY 1-6)
It’s possible to save your GROUP A/B/C/D configurations as custom RECALL MEMORIES. Your
control unit actually has six buttons––each capable of holding a GROUP A/B/C/D configuration.
Remember that RECALL MEMORY 7 and RECALL MEMORY 8 are pre-set to turn all student
buttons on (into a MEGAGROUP) and all student buttons off (students go back to the virtual
practice rooms). RECALL MEMORIES 1-6 are yours to customize.
If you had six different classes, for example, you could have completely different GROUP A/B/C/D
configurations for each class at the touch of a button.
To store your custom group settings in your control unit, first tap the STORE button, then tap the
desired student button number 1-6.

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Tap one numbered button (1-6) to assign your RECALL MEMORY.

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Recalling Custom Settings
To RECALL a memory, tap the RECALL button, then tap the button of the MEMORY desired.

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Tap one numbered button (1-6) to recall a preset you have stored.

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DP7949 LC4 Manual - Operation Guide.qxp_Layout 1 3/24/15 8:39 AM Page 15

Using a CD or MP3 Player
For the entire class to hear audio from a playback device, simply connect an audio player to the
AUX1 or AUX 2 IN jack on the hub. Turn on the corresponding AUX button from the control
unit and move the AUX slider up to desired volume. When the AUX inputs are used, all students
will hear the playback regardless of which student buttons are enabled. You can work with students
or groups as described in the previous sections while providing audio to every student.

Controller

Using the LC4 Wireless Kit

Connecting the audio output from the LC4 Wireless Kit's included Airport Express router to the
Aux 1 or Aux 2 IN jack will allow you to play the tablet's music library for all students.

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Recording a Student’s Performance (Audio)
Connect a recording device to the REC OUT on the hub. Then, to record the student, select the
student, press RECORD on the recording device and tell the student to play. Anything you hear
gets sent to the audio recorder.

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In this example, student 14 is being recorded.

Using External Powered Speakers
There might come a time when the audio in the LC4 lab needs to be heard by someone in the
room who is not wearing headphones. With powered speakers (like a stereo system) connected
to the MONITOR OUT of the hub, move the MONITOR slider up to volume desired.

Controller

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Using the AUX Inputs
For the entire class to hear audio from additional devices like MIDI file players, metronomes or
computers, simply connect the device to the AUX IN jacks on the hub. Turn on thecorresponding
AUX button on the control unit and then move the AUX slider up to desired volume. When the an
AUX input is used, all students will hear the device regardless of which student buttons are
enabled. You can work with students or groups as described in the previous sections while providing
AUX audio
to every student.

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LC4 Wireless Kit
By purchasing the optional LC4 Wireless Kit, you can add wireless control to your lab system.
The LC4 Wireless Kit contains networking hardware, a wireless headset for the teacher, and the
LC4 Controller app for iPad.
Detailed installation and operational instructions are provided with the LC4 Wireless Kit.

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Limited Factory Warranty
JLCooper Electronics (“JLCooper”) warrants this product to be free of defects in materials or workmanship for
a period of 12 months from the date of purchase.
This warranty is non-transferable and the benefits apply to the original owner. Proof of purchase in the form of an
itemized sales receipt is required for warranty coverage.
To receive service under this warranty, customers in the United States should contact the JLCooper factory at
310-322-9990, and talk to a service technician. If necessary, a Return Authorization number may be issued.
For our customers outside the United States, it is recommended that you first contact your Dealer or Distributor,
since they may offer their own service or support policy. If local support is not obtainable, please email JLCooper's
Service Department (service@jlcooper.com) with a detailed description of the service required.
Upon issuance of return authorization, the product should be properly packed and shipped to Service Department,
JLCooper Electronics, 142 Arena St., El Segundo, CA 90245. The return authorization number must be clearly
written on the outside of the package.
Please include the following: copy of the sales receipt, your name and address (no P.O. Boxes, please), a brief
description of the problem, and any other related items discussed with the service department and considered
necessary to evaluate the product or effect a repair.
JLCooper will, without charge for parts or labor, either repair or replace the defective part(s). Shipping costs are not
covered by this warranty.
JLCooper’s normal repair turn around time is approximately 10 business days from receipt of product at the factory.
(This does not include the time it takes for return shipping.)
Actual turn around time varies depending upon many factors, including the repeatability of the customer’s reported
complaint, the availability of parts required for repair, the availability of related products needed to evaluate the
product if necessary.
Priority services are available. These should be discussed with the service technician at the time the return authorization
is issued.
This warranty provides only the benefits specified and does not cover defects or repairs needed as result of acts beyond
the control of JLCooper including but not limited to: abuse, damage by accident/negligence, inadequate packaging,
modification, alteration, improper use, unauthorized servicing, tampering, or failure to operate in accordance with the
procedures outlined in the owner’s manual; nor for acts of God such as flooding, lightning, tornadoes, etc.
THE DURATION OF ANY OTHER WARRANTIES, WHETHER IMPLIED OR EXPRESS, INCLUDING BUT
NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY, IS LIMITED TO THE DURATION
OF THE EXPRESS WARRANTY HEREIN. JLCOOPER HEREBY EXCLUDES INCIDENTAL AND
CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO: LOSS OF TIME, INCONVENIENCE,
DELAY IN PERFORMANCE OF THIS WARRANTY, THE LOSS OF USE OF THE PRODUCT OR COMMERCIAL LOSS, AND FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY,
APPLICABLE TO THIS PRODUCT. JLCOOPERSHALL NOT BE LIABLE FOR DAMAGES OR LOSS RESULTING
FROM THE NEGLIGENT OR INTENTIONAL ACTS OF THE SHIPPER OR HIS CONTRACT AFFILIATES.
THE CUSTOMER SHOULD CONTACT THE SHIPPER FOR PROPER CLAIMS PROCEDURES IN THE
EVENT OF DAMAGE OR LOSS RESULTING FROM SHIPMENT.

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©2015 Yamaha Corporation of America. All rights reserved.
www.usa.yamaha.com



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