TeachLogic Matrix Manuel utilisateur
Amplier
Audio Mixer
Infrared Microphone Receiver
IMA-120 MatrixTM
CLASSROOM AUDIO SYSTEM
INSTALLER AND OPERATIONS MANUAL
rev20200324
P/N UMM-120
notes
Date of Purchase:
Model Number:
Serial Number:
Notes:
2
contact
If you should encounter some
unresolved issue, please
contact TeachLogic customer
service department for further
assistance.
welcome
Congratulations on the purchase of your new TeachLogic system.
You can be assured that this fullls all specications and was
produced to very high quality control standards. TeachLogic
incorporates the latest state of the art technology, employs the
most advanced manufacturing methodology and uses only
premium quality components to assure many years of reliable
performance. We appreciate your condence by your selection
of our product. It is TeachLogic’s intent to uphold that condence
by providing factory assistance and dealer support.
We hope you will take the time to review this manual to familiarize
yourself with the product operation and features. This manual
will help you learn to use and gain the maximum benet of the
system.
TeachLogic LLC
Longmont, Colorado, USA
teachlogic.com
1-760-631-7800
support@teachlogic.com
www.teachlogic.com
3
THANK YOU
safety instructions
Read Instructions
All safety and operation instructions should be read before
operating this TeachLogic product.
Retain Instructions
Safety and operating instructions should be kept for future
reference.
Water & Moisture
This product should not be operated near water.
Heat Environment
Do not subject this product to excessive heat conditions.
Power Source
This product must be connected to an AC power source per
the voltage input specied and marked on the power supply.
Power Cord Caution
Power cable should be routed clear of foot trac and
supported clear of kinking or abrasion.
Object Protection
Locate the operating unit so it will not be subjected to falling
objects or water entry.
Internal Service
User should not attempt to service this product. All internal
service must be accomplished by a qualied technician.
Electric Shock
Do not adapt or modify the AC power plug thus lifting the
earth ground connection.
Recycle—Do not dispose rechar-
geable batteries in trash. Actually
it is unlawful to do so in CA, NY &
ME.
Contact: Earth911.com
1-800-CLEANUP
Save our resources and don’t
contaminate.
Go Green
caution
certications
TeachLogic systems are
manufactured using lead-
free processes and are free
of materials harmful to the
environment. They conform
to the most stringent new
European guidelines for
consumer products (RoHS).
4
Caution: To reduce the risk of electric
shock DO NOT remove cover or back.
No user serviceable parts inside
Refer servicing to qualied personnel
5
table of contents
About Infrared
System Overview
Wiring Diagram
Infrared Microphones
Components: Drop-in Charger BRC-60/Ceiling Sensor ICS-55
Installation of Ceiling Sensor
Installation of Ceiling Speakers
Installation of Wall Mount Speakers
Final Connection of Speakers
Page Mute/Pass Through
CPS-120/CPR-125 Remote Control Panel
RS-232 Features / RS-232 Codes
Bluetooth
Security Alert Feature
System Operation
Troubleshooting
Five Year Limited Warranty
6
7
8
9-10
11
12
13-14
15
16
17
18-19
20
21
22
23
24
25
6
a brief word about infrared
Infrared is a light ray that is below the visible spectrum, just like sound extends beyond your hearing
ability. An example of infrared transmission is the remote control for your TV set. When a button is
pressed, a beam of infrared light is emitted by a Light Emitting Diode (LED) from the remote control. It is
detected by a receiving diode in your TV set.
When you press a certain command on your control, the internal electronics cause the infrared light to
icker in a programmed sequential pattern (called modulating the light beam). The modulated infrared
beam is detected by the receiving diode and is electronically decoded. The decoded signal activates the
circuitry to perform the command function on your TV set.
So how does this apply to the infrared communication system you are about to start using? The
microphone/transmitter has several Light Emitting Diodes (LED) that emit infrared light beams to the
sensor located in the corner of the room.
When you talk into the microphone, the microphone element modulates the light beam, causing it to
icker in sync with your speech. The sensor detects the sequential signal and the electronic circuitry in
the amplier converts that sequential signal into a line level analog audio signal. Now that audio signal
can be fed into an amplier. The amplier magnies the electronic signal and sends it to the speakers.
This causes the speaker cone to move in sync with your voice. The speaker replicates your voice and
disperses your voice evenly throughout the room.
IR transmission
The IR transmitter
transmits directly to the
sensor. However; due
to the strength of the IR
transmitter, the infrared
signal will bounce o the
walls, ceiling and oor for
reception thus providing
continuous connectivity
throughout the room.
Benet: total freedom
of movement within the
room with no restriction
of orientation.
Infrared will not
penetrate a solid surface
thus preventing any
transmission from
going out of the room.
“What’s said in the
room, stays in the
room”.
7
system overview
The Matrix is an amplier, audio mixer, and infrared wireless microphone receiver in one. It is the hub of
the classroom audio system as various media inputs can be connected to it, so that all classroom audio
can be amplied and distributed clearly through the speakers. The addition of microphones provides
voice reinforcement for the teacher and students alike.
The Matrix system is comprised of a microphone / transmitter, either the Sapphire (IRT-60), or Handheld
(IRH-35) for voice transmission to a ceiling sensor (ICS-55) that sends the signal to the receiver /
amplier (IMA-120). The receiver/amplier processes the signal and produces an analog signal of your
voice for output to the sound eld speaker system.
1. Power on/o Indicator
2. Page sensitivity control
3. Bass/Treble equalizer ±12 dB
4. CH 1 Mic Volume Control
5. CH 2 Mic Volume Control
6. Line 1 Volume Control
7. Line 2 Volume Control
8. Line Out Volume Control
9. Line 1 Input (3.5mm)
10. Line 2 Input (3.5mm)
11. Line Output (3.5mm)
12 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20
17. Security Alert - Com | N.O.| N.C.
18. Impedence selector 25V, 70V, 100V
19. Page Mute Input - 2-pin Phoenix
20. Speaker Output - Two Channel, 4-pin
Phoenix connector
12. Power Input: 19 VDC 3.4A
13. RJ-45 Control Panel Jack
14. RS-232 Switch (O/On)
15. UPGRADE input Micro USB
16. Two Sensor Inputs (RCA)
8
CEILING/WALL MOUNT SPEAKERS
CEILING SENSOR(S)
From page system
CPS-120/CPR-125
REMOTE
CONTROL PANEL
UP TO 2 MEDIA DEVICES
LESSON CAPTURE
RECORDER
Wall mounted
call button
THIRD PARTY
INTERCOM/PAGING
SPEAKER
3RD PARTY INTERCOM/
PAGING SYSTEM WALL
PANEL
Emergency
Normal Output to front oce
intercom panel via
existing intercom cabling
TeachLogic Matrix™ Wiring Diagram
ASSISTIVE LISTENING
DEVICE (3.5 mm
analog output)
wiring diagram
9
infrared microphones
The infrared microphone/transmitter is comprised of a microphone input, signal processing circuits
and several emitting diodes that transmit the vocal signal to the sensor.
The microphone/transmitter can be the Sapphire or Handheld. The rechargeable batteries will provide
6–8 hours of service per charge. Place the microphone/transmitter in the charger for overnight charge
and it will be ready for another day’s use.
The drop-in battery chargers are specically designed to recharge lithium & NiMH batteries at an
optimum rate for Matrixum operating capacity and extended service life. Charger will automatically
start charging the batteries upon insertion and will shift to a maintenance charge when batteries are
fully charged.
The Sapphire’s vocal clarity is unsurpassed. Its high
level output is achieved by the unidirectional (Cardioid)
microphone and a unique free air suspension system. With
a built-in breath lter, the Sapphire can function as a pass
around hand mic.
The strategic alignment of the emitting diodes assures
reliable connectivity throughout the room without static or
drop out.
With a tap on the power button, the microphone is muted
for private conversation—tap again to restore to normal
operation. The auxiliary input allows wireless playback of
your personal music device through the Sapphire. A three
position slide switch provides selection of normal, medium
(-3 dB), or low (-6 dB) microphone sensitivity.
features
• Elegant design
• Only 1.4 oz. including battery
• Long life Lithium Ion battery
• Rechargeable via USB cable
• Battery level indicator – Back
light under power switch
• Momentary mute button,
backlight blinks in mute mode
• Push “on/o” power
• Channel “A” or “B” selectable
• Three level microphone vol-
ume switch
• 3 voice sensitivity settings
(Normal, -3dB, -6dB)
• Auxiliary input (3.5mm) for
headset or music device
• Wear with a lanyard or slide
directly on neckline collar
(IRT-60) sapphire transmitter
10
IRH-35 handheld transmitter
The Handheld Microphone Transmitter (IRH-35) is most
applicable for student use or direct presentation. It has an “on/
o” switch and a battery level indicator LED; Green=useable
charge, Red=low battery. The transmitter has 10 emitting
diodes: 8 around the bottom of the handle, and 2 toward the
top of the handle. The metal housing provides low handling
noise and insures durable longevity.
features
•Condenser microphone
element
•Power “on/o” switch
•Battery level indicator—LED
•Channel “A” or “B” selectable
•10 high-power emitting diodes
•Diodes at top and bottom of
handle for increased
Coverage (2 Top aimed out, 6
Bottom 360°, 2
Bottom aimed down)
•360º IR radiation for assured
connectivity
•Two “AA”, Duracell,
rechargeable NiMH batteries
IRT-60 remote control features
1. Moving the priority switch Up/Down will control the volume of
the line inputs.
2. A momentary tap of the priority switch will duck down the line
inputs 15dB. The receiver front panel power switch changes to
a blinking PURPLE. A second tap will restore line input back to
normal.
3. Hold in priority switch for 4 seconds closes the contact
closure on the Security Alert output. The receivers front panel
power switch changes to blinking GREEN. Holding the button
down for another 4 sec. returns the contact to normal.
infrared microphones
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1
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