TeachLogic VoiceLink III Bedienungsanleitung

owner’s manual

Infrared Wireless Microphone System

owner’s manual

VoiceLink III

notes

Date of Purchase:

Model Number:

Serial Number:

Notes:

contact

thank you

If you should encounter

some unresolved issue,

please contact TeachLogic

customer service depart-

ment for further assistance.

owner’s manual

Congratulations on the purchase of your new

VoiceLink III Infrared Wireless Microphone Sound

System. You can be assured that the VoiceLink III

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 VoiceLink III

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

sales@teachlogic.com

1•760•631•1283

www.teachlogic.com

VoiceLink III

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 ...................................................

VoiceLink III System ....................................................

Microphone/Transmitters ......................................

Drop-in Chargers / Ceiling Sensor .........................

Installation of System ................................................

Installation of Ceiling Sensor ...................................

Operation of VoiceLink III System ..........................

Wiring to Projector System .................................

Troubleshooting ..........................................................

Blank Page

General Speciﬁcations ..............................................

Microphone Speciﬁcations ...................................

Five Year Limited Warranty .....................................

4-5

10-11

owner’s manual

VoiceLink III

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 VoiceLink III 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.

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”.

owner’s manual

VoiceLink III

product description

The VoiceLink III is an infrared wireless microphone

system that can be added to any sound system. It

can be a supplement to an existing multi-media

system to expand it's utilization to provide voice

reinforcement.

The addition of a VoiceLink III system to your

multi-media system will transform your classroom

sound system 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(s) installed in the ceiling. The sensor

collects the IR wireless signal from the microphone/

transmitter and sends a composite signal to the

receiver. The receiver transforms the composite

signal into an analog audio signal which is fed to

the multi-media ampliﬁer. The ampliﬁer powers the

speakers for even voice reinforcement throughout

the room.

The microphone / transmitter can be the Sapphire

or Handheld. 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.

front of IR-255 receiver/mixer

back of IR-255 receiver/mixer

Power / Mute Button

CH A Microphone Volume Control

CH B Microphone Volume Control

Auxiliary Volume Control)

Unbalanced Mic Level Output

(1/4" phone) this output is -15 Db

lower than the Phoenix connector

output and used primarily for

ampliﬁers with mic level inputs.

Auxiliary Input (3.5mm)

ALS/REC Volume Control

ALS/REC Output (3.5mm)

Balanced Line Level Output

(3-pin Phoenix Connector) Dual

Mono Inputs (RCA)

Two Sensor Inputs (RCA)

Power Input: 12VDC

321

VoiceLink III system

The VoiceLink III system is comprised of a

microphone / transmitter, either the Sapphire (IRT-

55), or Handheld (IRH-35) for voice transmission to

a ceiling sensor (ICS-55) that sends the signal to the

receiver / mixer (IR-255). The receiver processes the

signal and produces an analog signal of your voice

for input to an ampliﬁed sound system.

VoiceLink III

CH A CH B

COMP/AUX/DVD ALS/REC

INPUT OUTPUT

SENSOR

AVX/DVD

INPUTS

OUTPUTS

UNBALANCED BALANCED

owner’s manual

VoiceLink III

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

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