TeachLogic VoiceLink IV User manual

SAFETY INSTRUCTIONS ________________________

1. Read Instructions: All safety and operation instructions should be read

before operating this TeachLogic product.

2. Retain Instructions: Safety and operating instructions should be kept

for future reference.

3. Water & Moisture: This product should not be operated near water.

4. Heat Environment: Do not subject this product to excessive heat

conditions.

5. Power Source: This product must be connected to an AC power

source per the voltage input specified and marked

marked on the power supply.

6. Power Cord Caution:Power cable should be routed clear of foot traffic

and supported clear of kinking or abrasion.

7. Object Protection: Locate the operating unit so it will not be subjected

to falling objects or water entry.

8. Internal Service: User should not attempt to service this product.

All internal service must be accomplished by a

qualified technician.

9. Electric Shock:Do not adapt or modify the AC power plug thus

lifting the earth ground connection.

VoiceLink - Infrared Wireless Microphone System

The VoiceLink IV is an infrared wireless microphone system that can be added

to any sound system. It can be a supplement to a Bogen or TOA sound

reinforcement system or an addition to an Extron or Crestron multi-media

system. You now have the capability of using four (4) wireless microphones

anywhere in a conference room, boardroom, courtroom, or classroom.

The system is comprised of a domed sensor installed on the ceiling. The sensor

receives 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 then powers the speakers for enhanced sound distribution throughout

the room for improved the listener comfort and intelligibility for all.

The wireless transmitter gives complete freedom of movement anywhere in the

room. Two transmitters can be the Crescent style worn under the chin, a pendant

style worn around the neck or a body-pack clipped to the waist with an external

microphone plugged in thus rendering hands free mobility. In addition, two

handheld wireless microphone / transmitters can be used simultaneously by other

attendees or interactive group participation.

A noted feature of infrared signal transmission is that it is confined within the

room. The transmission signal will not penetrate walls, ceiling or floor; thus

providing 100% security. It also eliminates cross talk or interference with

adjoining rooms. An added benefit, all systems operate on the same transmission

frequencies, therefore; all transmitter / microphones will work in any room

equipped with the same VoiceLink system.

Easy to install - Easy to use

VoiceLink IV Receiver IR-468N

The VoiceLink IV (IR-468N) is a four channel receiver for simultaneous

reception of four Infrared wireless microphones. It receives a composite

signal from a dome sensor, processes it and produces a balanced analog

audio output for each microphone or a combined balanced output of all

microphone inputs to be fed to the input of an amplified sound system. It

features a volume control and signal presence indicator for each

microphone.

Front Panel ________________________________________________________________

Power Switch with an associate “Red” LED to indicate presence of power.

Channel: A, B, C, D volume controls for independent volume control for each

wireless IR transmitter input.

IR Transmission Indicator: A “Green” LED will light when the corresponding

transmitter for that channel is turned “ON”, informing you that a transmission

signal is being received

Rear Panel ______________________________________________________

Phone Jack (1/4”) is an unbalanced output of combined channels A, B, C, D.

Line / Mic Switch selects the output signal to be either “Line” or “Mic” level.

One male XLR Connector is a balanced line level output of combined channels

A, B, C, D.

Four male XLR Connectors are balanced line level outputs for each respective

channel.

Sensor Connection (RCA) Each sensor connection provides phantom power to a

sensor and receives a composite FM signal from the sensor. Four (4) sensor

inputs allow installation of multiple sensors for odd shaped or large rooms.

(Normally only one sensor is required)

Power Input Jack connects to the power supply, 12-15 volts DC, 1 Amp.

Infrared Dome Sensor (ICS-55)The ceiling dome sensor is a highly

sensitive infrared receptor and provides optimum performance. One dome sensor

comes with the VoiceLink IV system. The sensor needs to be installed on the

ceiling. It comes with a T-Bar twist-on 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 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 with magnifying lens. The sensor

is connected to the mixer/amplifier via the plenum

rated dual shielded cable.

Drop-in Battery Chargers

The battery chargers are specifically designed to recharge NiMH batteries. They

charge the batteries at an optimum rate and turn “off” at end of charge. The

chargers feature a recycle function, which is used to restore the battery charge

capacity and extend their service life.

BRC-50 charger recharges the Crescent (IRT-

30) or Body-Pack transmitter (IRB-30) and

Handheld (IRT-35). You merely place the

Crescent, Body-Pack, Handheld in their respective

slot. Connection will be made and charging will

commence. Charger will automatically control the

rate and maintain the charge.

BRC-101 provides a charging port for the pendant

or a handheld microphone. In addition, a tray

provides insertion of two “AA” NiMH batteries for

recharging.

BRC-202 is a dual charger for charging two

pendants or two handheld microphones or one of

each.

All drop-in chargers feature regulated charging rate, full charge maintenance,

recycle function and auto protection against incorrect battery insertion.

FOR USE WITH RECHARGEABLE NiMH BATTERIES ONLY.

Infrared Transmitters

Crescent (IRT-30)

The Crescent is a lightweight

microphone/transmitter designed to be

worn under the chin suspended by an

adjustable lanyard. The Crescent shape

was designed for efficient performance

and user comfort. The dual internal

microphones render optimum voice

pick up and quality reproduction. The

Crescent provides an auxiliary input

(3.5mm) to accommodate the insertion

of an iPod™ or similar device for supplementary program material.

A soft touch mute button cuts the microphone “off” for private conversation (the

power LED will flash in the mute position). A volume control allows adjustment

of the microphone volume. The external battery contacts accommodate the

convenient use of a drop-in charger.

An optional Plug-in microphone (LM-300) can be plugged into the aux input for

enhanced performance. Although the built-in microphones give satisfactory

performance, the plug-in microphone has a unidirectional element resulting in

additional sensitivity for more gain (more volume) before feedback.

Pendant Transmitter (IRT-89) with built-in microphone. The pendant

transmitter is usually worn around the neck for hands free movement.

However, it can easily be removed from the lanyard and used as a

handheld microphone. Two lanyards are provided: one with fixed

length and safety breakaway clasp and a longer adjustable cord style.

The 10 transmitting diodes are located in the top portion for very

efficient IR transmission. The power switch is accompanied by a

battery level LED (Green=Useable, Red=Needs Charge). The A-B

switch selects the transmission channel. The pendant is conveniently

inserted in either the BRC-101 or BRC-202 for recharging.

An optional Plug-in microphone (LM-300) can be plugged into the top

of the pendant for enhanced performance. Although the built-in

microphone gives satisfactory performance, the plug-in microphone is

a unidirectional element resulting in better vocal quality and much

more gain (more volume) before feedback.

Body-Pack Transmitter (IRB-30), usually worn on

the waistband, is the component that transmits the IR

signal to the sensor. The IRB-30 has 10 emitting

diodes on its front panel and is powered by two

rechargeable NiMH batteries. Controls include a

power “on/off” switch and a mic gain control. Battery

level indicator LED: Green = useable charge, Red =

low battery.

It is required to plug in an external microphone. There

are several optional microphones available and they

plug into the top of the IRB-30. The IRB-30 is

equipped with a belt clip for waist attachment.

Caution: The body-pack cannot be placed in pocket. The red window cannot be

obstructed, those are the emitting diodes.

Plug-in Microphone (LM-300) is a small capsule size microphone that

plugs directly into the top of the IRB-30 body-pack. A lanyard cord is

provided to accommodate wearing the body-pack transmitter around the

neck and utilizing it as a pendant microphone. A windscreen is included to

prevent breath pops when used in close proximity to the mouth.

Ultra Lite Microphone (ULM-835) is a miniature boom style microphone

supported by a wire around the left ear. The mic boom extends along side of face

and has a unidirectional microphone with windscreen. The small ring on the

boom prevents perspiration from entering the mic

element. Aside from comfort, the boom style mic

renders the best performance in terms of sound

quality and is not prone to feedback.

Caution: The boom can be formed to fit but it is not

a flexible boom. Do not bend back and forth. IT

WILL BREAK !

Collar Microphone (CM-835) is a flexible rod that is

formed around the neck. The end with the microphone and

windscreen is then contoured up toward the mouth. The

cord exits the rod in the center in back, out of the way, and

is plugged into the body-pack. The collar mic utilizes a

unidirectional mic element to minimize feedback and

renders quality voice reproduction.

Lapel Microphone (LM-835) is a small capsule microphone with a spring clip

for securing on to a clothing edge. The lapel microphone is well suited for out of

sight application. However; as a result of the microphone being

farther away from the mouth, more gain is required

for adequate volume. An omni-directional

microphone element is used to pick up from all

directions. These two factors make the lapel

microphone most prone to feedback when used

near or under a speaker.

Handheld Microphone Transmitter (IRH-35 channels “A” and

“B”) is most applicable for presenter’s use or audience participation. It

has an “on/off” switch and a battery level indicator LED; Green=useable

charge, Red=low battery. The transmitter has 10 emitting diodes around

the top and bottom of the handle. The metal housing provides low

handling noise and insures durable longevity.

Handheld Microphone Transmitter (IRH-40 with blue collar ring

utilizes channels “C” and “D”) is most applicable for presenter’s use

or audience participation. It has an “on/off” switch and a battery level

indicator LED; Green=useable charge, Red=low battery. The

transmitter has 10 emitting diodes around the top and bottom of the

handle. The metal housing provides low handling noise and insures

durable longevity.

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