TeachLogic IRQ-3120 User manual

owner’s manual
Infrared Wireless Microphone System

contact
thank you
If you should encounter
some unresolved issue,
please contact TeachLogic
customer service depart-
ment for further assistance.
2
owner’s manual
Congratulations on the purchase of your new
Quantum II Infrared Wireless Microphone Sound
System. You can be assured that the Quantum II
fulfills all specifications 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 confidence by
your selection of our product. It is TeachLogic’s
intent to uphold that confidence by providing
factory assistance and dealer support.
We hope you will take the time to view this manual
to familiarize yourself with the product operation
and features. This manual will help you learn to use
and gain the maximum benefit of the Quantum II
system. The manual provides a basic explanation on
the principles and advantages of infrared
transmission. Followed by the system description,
operation and installation instructions, the manual
will conclude with maintenance and troubleshooting
procedures.
Brian Van Waay
President
1•800•588•0018
[e-mail]
1•760•631•1283
www.teachlogic.com
Quantum II

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 specified and marked
on the power supply.
Power Cord Caution
Power cable should be routed clear of foot traffic
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
qualified technician.
Electric Shock
Do not adapt or modify the AC power plug thus
lifting the earth ground connection.
certifications
Listed
US CA
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).
Recycle—Do not dispose
rechargeable 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

transmitter
table of contents
About Infrared ............................................................
Product Description ...................................................
Assembly and Installation ..........................................
Quantum II Controls .................................................
Sapphire Microphone/Transmitters IRT-55 .............
Handheld Microphone/Transmitter IRH-35 .............
Drop-in Chargers BRC-60/Ceiling Sensor ICS-55 ...
Installation of Ceiling Sensor .....................................
Operation of Wireless Microphone .........................
Troubleshooting ..........................................................
General Specifications ...............................................
Microphone Specifications ........................................
Five Year Limited Warranty .......................................
1
2
3
4&5
6
7
8
9
10
11
12
13
14
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owner’s manual
Quantum II

a brief word about infrared
Infrared is a light ray that is below the visible
spectrum, just like the sound spectrum 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 flicker 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. Now when you talk into the microphone, the
microphone element modulates the light beam,
causing it to flicker in sync with your speech. The
sensor detects the sequential signal and the
electronic circuitry in the Quantum II converts that
sequential signal into a line level analog audio
signal. Now that audio signal can be fed into an
amplifier. The amplifier magnifies 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.
1
IR transmission
The IR transmitter
transmits directly to the
sensor. However; due to
the strength of the IR
transmitter, the infrared
signal will bounce off the
walls, ceiling and floor for
reception thus providing
continuous connectivity
throughout the room.
Benefit: 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”.

2
owner’s manual
2
Quantum II
product description
The Quantum II is an infrared wireless microphone
sound system. It is the nucleus of the classroom
sound field system which provides optimum voice
reinforcement.
The addition of a Quantum II sound system will
transform your classroom into a totally hands free,
voice re-enforcement system, resulting in reduced
voice fatigue, enhanced student listening and
improved student learning. The wireless function
permits 360° connectivity throughout the classroom
regardless of body position or orientation.
The system is comprised of an infrared detecting
sensor. The sensor collects the IR wireless signal
from the microphone/transmitter and sends a
composite signal to the mixer/amplifier. The
receiver transforms the composite signal into an
analog audio signal which is fed to the Quantum
II mixer. An additional audio sources, such as;
computer, DVD, VCR or Projector can be plugged
in to the Quantum II. The AUX IN level controls the
individual audio input. The audio will then be fed to
the speaker in the column for voice reinforcement
throughout the room.
On the front panel of the Quantum II, there is a
3.5mm output jacks for interface with an assistive
listening system (ALS) or lesson capture (LINE
OUT).
The microphone / transmitter can be one or two
Sapphire Pendants or Handhelds. The rechargeable
batteries will provide 6 – 8 hours of service per
charge. The drop-in charger will recharge the
batteries overnight, ready for another day’s use.
Reliable
performance.
Use with
confidence.

3
assembly and installation
Mounting the Quantum II on the wall, please review the following guidelines.
• Selecting the most appropriate location for the Quantum can be the
most challenging. Every room is a little different, but in general the most
functional location is installing it on the front wall off to one side or the other
approximately from either side wall.
• An alternate choice would be on either side wall, located approximately ¼
the distance from the front of the room.
NOTE: Be conscious of an AC outlet requirement for power.
• Once you’ve decided where to mount the Quantum II, hold the ‘U’ bracket
straight up and down against the wall with bottom of the bracket approximately
5-6 feet above the floor. Using a level to assure true vertical orientation, mark
the two mounting holes.
• If installing onto a drywall, drill two ¼” holes and insert a molley bolt
provided. With a #2 Phillips head screwdriver, mount the wall bracket.
• If installing into a wood or like material, use two sheet metal screws with
washers to mount the bracket to the wall.
• For concrete wall, you’ll need to acquire and install a plastic insert for a # 8
sheet metal screw and install accordingly.
• With the bracket mounted, route the plastic wire tie through the two tab
holes. Hold the power supply onto the two raised tabs with the AC plug end
toward the floor. With the power supply resting on the pegs, tighten the wire
tie thus securing the power supply to the bracket.
• Insert the DC plug into the power input jack and place the Quantum II into
the bracket, secure each end with the bolt and washer provided.
• Orient the Quantum with center pointing diagonally across the listening
area.
• Plug the power cord into an AC outlet
The Quantum II can be operated as a free stance system on a speaker stand.
To use in this mode of operation:
• Locate the system off to one side in the front of the room. Point the front
of the unit toward the center of the listening area. Find an AC outlet and plug
the system in.
• Side wall location is also acceptable. Locate unit on either side about ¼
from front of room. Point the front diagonally across the listening area. Locate
an AC outlet and plug it in.

owner’s manual
4
quantum controls
features
Quantum II
1. Threaded insert for wall
mount bracket.
2. External sensor inputs.
3. Internal sensors.
4. Internal speaker.
5. Power switch & Channel A
Control.
6. Power switch & Channel B
Control.
7. Power indicator LED.
8. Infrared wireless
transmission LED.
9. Tone control.
10. Line input volume control.
11. Line output gain control.
Quantum II
POWER/CH A POWER/CH B TONE AUX IN LINE OUT
LO HI
Infrared Wireless
System
Model IRC-360
1
2
8910 11
5
6
7
3
4
external speaker output

5
quantum II controls
• Channel A turns power “on/off” (red LED
indicator) and adjusts the volume of the IR
microphone assigned to it. Normally the Pendant
transmitter is assigned to channel A. When the
transmitter is turned “on” a green LED will light,
indicating that an IR signal is being received from
the transmitter.
• Channel B also turns power “on/off” and adjusts
the volume of the microphone assigned to it.
Normally the handheld microphone is assigned to
channel B. When the transmitter is turned “on” an
amber LED will light indicating an IR signal is being
received from the transmitter.
• Tone control adjusts the tonal quality of the
sound. You will feel a center indent, turn CCW will
boost the bass and turning CW will extenuate the
high frequencies.
• Aux input jack (3.5mm) facilitates connecting the
output of a DVD, Video Projector, ipod, computer
and amplifying its signal through the Quantum. The
volume can be controlled with the adjacent knob.
• Line output jack (3.5 mm) provides a composite
line level output; it can be used to connect to a
personal FM assistive listening system or as an
output to a recording device. The small knob
adjusts the output level to match input of the
device connected.
• External speaker output connector is located
adjacent to the power plug. An unpowered external
speaker can be connected to the Quantum for
additional coverage. A companion unpowered
Quantum would be the speaker of choice.
companion speaker

2
owner’s manual
6
Quantum II
infrared microphone/transmitters
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 specifically designed to recharge lithium & NiMH batteries
at an optimum rate for maximum 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 filter, 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 iPod™ through the
Sapphire. A three position slide switch provides
selection of low, medium, or high microphone
sensitivity.
features
• Elegant design
• Only 1.4 oz. including bat-
tery
• Long life “Lithium ion”
battery
• Rechargeable via USB cable
to computer
• Battery level indicator –
Back light under power
switch
• Momentary mute button,
backlight blinks in mute
mode
• Push “on/off” power
• Channel “A” or “B” select-
able
• Three level microphone vol-
ume switch (low, medium,
high)
• Auxiliary input (3.5mm)
• Wear with a lanyard or slide
directly on neckline collar
(IRT-55) sapphire transmitter

7
IRH-35 handheld transmitter
The Handheld Microphone Transmitter (IRH-
35) is most applicable for student use or direct
presentation. It has an “on/off” 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/off ” switch
• Battery level indicator—
LED
• Channel “A” or “B” select-
able
• 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 as-
sured connectivity
• Two “AA”, Duracell, re-
chargeable NiMH batteries
words of caution and limitations of infrared
Be sure that the path of transmission between the emitter and sensor is not obstructed.
The Sapphire pendant transmitter will not function if placed in pocket.
Infrared will not work outdoors in sunlight.
Dark surfaces will not reflect infrared well and can limit distance of transmission.
Rooms larger than 1600 Sq. Ft or have high ceilings can begin to exceed the ultimate
performance of the Quantum II.
If dropouts are experienced in areas, as additional sensor ICS-55 sensor can extend the system
performance.

owner’s manual
8
Quantum II
BRC-60 drop-in battery charger
This stylish desktop drop-in charging station makes
it convenient and easy to recharge both Sapphire
Pendant and Handheld Microphones. Charge one
IRH-35 handheld transmitter and up to two IRT-60
Sapphire transmitters simultaneously. Charging
indicator lights illuminate Red when charging,
and Green when fully charged. The power LED
illuminates Blue when plugged in.
The ceiling sensor is the preferred infrared sensor
for optimum performance. This is the unit that
needs to be installed on the ceiling. It comes with
a mounting/support bracket and 50 feet of plenum
rated cable with RCA connector on each end. The
ideal location for the dome sensor would be in the
center of the ceiling. This will provide a clear signal
path for the IR transmission from the transmitter to
the dome sensor without obstruction. In addition,
you will have 360° coverage and will minimize
the transmission distance for more reliable
performance. It collects the infrared transmission
signal via 6 large detecting diodes.
The additional sensor and cable can be added
for larger rooms or rooms with poor connectivity.
Locate and install the sensors for optimum IR
reception, run the cable to the sensor input on top
of Quantum II system.
ICS-55 ceiling sensor
sensor cable
A Cable connects the sensor to the receiver. The
cable is dual-shielded with a male RCA connector
on each end and is plenum rated.
Green light indicates that
the sensor is receiving
power from the receiver.
power “on” LED

9
installation of ICS-55 ceiling sensor
The ideal location for the ceiling sensor is in the center of the ceiling. This will provide a
clear signal path for the IR transmission from the transmitter to the dome sensor without
obstruction. In addition, you will have 360º coverage and will minimize the transmission
distance for more reliable performance. An additional sensor can be added for large or odd
shaped rooms.
ICS-55
ICS-55

owner’s manual
10
Quantum II
note
system operation
• On Quantum II set Ch A & B volume controls to
off (counter clock wise)
• Turn the Quantum II “ON”, Blue LED will light
• Confirm power to ceiling sensor, Green LED on
edge of sensor will light
• Using a Sapphire Transmitter microphone.
(Sapphire Mics are shipped in channel A)
• Sapphire: “A–B” switch, remove battery cover
on back, under battery.
• Handheld: Unscrew barrel and remove.
Note “A–B” switch on side of battery holder.
• Turn sensitivity control on Sapphire transmitter
to "HI" level position
• Switch transmitter “on” by depressing and hold
front button until (Blue) LED is present
• Observe signal presence LED (Orange) on
Quantum II receiver adjacent to “Mic” volume
control
• Stand under or in front of a speaker
• Slowly adjust “Ch A” volume on Quantum II
while talking into microphone
• Adjust to desired listening level.
CAUTION: Beware of feedback
• Walk around the room while talking into
microphone to confirm good connectivity
Upon completion of performance test,
the installation is complete.
Now that the system is installed and connected, we are ready to turn the system “ON” and test
its performance. The testing will be done using an IR transmitter (Sapphire or Handheld) to
confirm good connectivity and quality audio.
operation of wireless microphone

11
troubleshooting
System is turned
“on” but there is no
sound
System has power
but no sound
Voice is distorted
and/or signal drop-
out occurs
• Verify AC power; the Blue
LED lights when turned
“on”
• Check if system has
been unplugged
• Check circuit breaker
• Call maintenance for
assistance
• Turn “on” microphone/
transmitter
• Check for IR transmission,
Signal presence (Orange
LED)
• Check the Green LED in
the sensor
• If sensor LED is not lit
• Sensor has been
disconnected
• Power output to sensor
has failed (Receiver/
amplifier needs to be
replaced)
• Check the charge on your
batteries
• Verify that the diodes on
transmitter or sensor are
not being covered
• Obstruction between
transmitter and sensor
Problem Solution
contact
If your problem persists
and this guide has not
resolved the issue, call our
customer service depart-
ment for additional assis-
tance. [phone]

12
transmitterowner’s manual
Quantum II
Quantum II (IRC-360) specs.
power supply (AC-36) specs.
Infrared FM
FM Wide-band
Ch. A: 2.08 MHz
Ch. B: 2.54 MHz
850 nm
Ch. A: 32.768 KHz
50 µs
50 Hz, -13KHz, C 3dB
›65 dB
‹1% @1KHz
± 10 KHz
± 25 KHz
Two, RCA
60 Ft. Line of Sight
3.5mm with Gain Control, Front Panel
3.5mm with Gain Control, Front Panel
Tone Control, ± 6dB
30 Watts (RMS) Class D Amplifier
15 Watt / 4ohm
Two Terminal Phoenix Connector
19VDC /3.4A / 65W CE,CSA & UL
Listed
6 1/4" W x 14" H x 4 3/4" D
4 lb. 2oz.
Receiver Input
Modulation
Reception Frequencies
Infrared Wavelength
Tone Signal
De-emphasis
Frequency Response
S/N Ratio
THD
Nominal Deviation
Maximum Deviation
External Sensor Input
Connectivity Coverage
Aux Inputs
Line Output
Equalization
Power Output
External Speaker Output
External Connection
Power Supply
Dimensions
Weight
Regulated Switching Power Supply
100–240 volts AC, 47–63Hz
19 volts DC, 3.4A
65 watts Max.
Type
Input Voltage
Output Voltage
Power Output

Sapphire transmitter (IRT-55) specs.
Handheld transmitter (IRH-35) specs.
Six
1,600 Ft ². 60 Ft. Line of Sight
Full
Medium
Low
Very Low Battery
Lithium-ion (3.7V / 620mAh)
Approx. 8-9 Hrs/Charge
DC +5V, Micro USB Connector
Conical
On/Off
On/Off momentary push
HI,MID,LOW
Increase, Decrease
5 second hold of priority button
3.5mm Line Level
3 5/8" H x 1¼" W x ¾" D
1.4 oz. Including battery
Field Switchable
Ten
FM Wide-Band
32.768 KHz
± 25KHz
1600 Ft². 60 Ft.
On/Off
Green (Useable Charge)
Red (Needs Charging)
Approx. 7 Hr./Charge
2 1/8" Dia. Head,
1 7/16" Dia. Body, 9 5/8" H
10.3 oz. w/ Battery
Transmitting Diodes
Operating Range
Battery Discharge Indicator
Blue
Purple
Red
Flashing Red
Battery Used
Battery Life
External Power Charger
Transmission Angle
User Controls
Power Switch (push)
Mute Switch (push)
Mic Switch (3 position)
Aux. Vol./Gain
Security Alert
External Aux. Input
Dimensions
Weight
2 Channel Switchable
Transmitting Diodes
Modulation
Pilotone Frequency
Peak Deviation
Operating Range
Power Switch (Slide)
Battery Charge Level (LED)
Battery Life
Dimensions
Weight
13
drop-in battery charger (BRC-60) spec
Charging Port
Red LED
Green LED
Power Supply
Dimensions
Weight
2 Sapphire, 1 Handheld
Battery being charged
Battery fully charged
5 VDC, 1 Amp
6 3/8" L x 3 3/8" W x 3 3/8" H
6.3 oz.

contact
TeachLogic, Inc.
Customer Service Dept.
1688 Ord Way
Oceanside, CA 92056
1•800•588•0018
[e-mail]
1•760•631•1283
www.teachlogic.com
five year limited warranty
TeachLogic IR products are guaranteed to be free
of defects in workmanship or material for a period
of five (5) years from date of original purchase,
subject to the following conditions:
1. Warranty excludes defects caused by normal
use and wear, any abuse, or failure to use the
product in accordance per instructions.
2. Warranty is void if damage occurred because
of misuse, or attempted repair or modification
by unauthorized personnel.
3. Warranty on batteries is for two (2) years.
4. Warranty does not extend to finish.
5. All warranty service will be provided by
TeachLogic or authorized service center
6. Warranty is made to the original purchaser and
may not be transferred to another user.
7. Warranty service rendered will be on a repair
or replacement basis, whichever TeachLogic
deems to be most prudent for customer
satisfaction and economic feasibility.
TeachLogic will only accept warranty shipments
accompanied by Return Authorization Number
previously assigned by TeachLogic personnel.
Advance warranty replacements will be made per
the discretion of TeachLogic personnel.
TeachLogic will pay return shipping cost on all
warranty repairs or replacements.
8
owner’s manual
14
Quantum II

notes
Date of Purchase:
Model Number:
Serial Number:
Notes:

2
1688 Ord Way
Oceanside, CA 92056
1•800•588•0018
[e-mail]
1•760•631•1283
www.teachlogic.com 3/1/18