Tech Logic VoiceLink II Manuel utilisateur
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 II is an infrared wireless microphone system that can be added to
any sound system. It can be a supplement to an Extron, Crestron, Atlas Sound, or
any amplified multi-media system.
With the addition of a VoiceLink system to your multi-media system, it will
transform your multi-media system into a wireless classroom sound field
system. You now have the capability of using two wireless microphones
anywhere in the classroom. Thus reducing voice fatigue, enhance student
listening and improved student learning performance.
The system is comprised of a doomed sensor installed on 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 then powers the speakers for even sound distribution throughout the
room.
The wireless transmitter gives complete freedom of movement anywhere in the
room. The transmitter can be a pendant style worn around the neck or body-pack
clipped to the waist. Various style of microphone can be plugged into the body-
pack transmitter for complete hands free mobility. In addition, a handheld
wireless microphone / transmitter can be used simultaneously by the students for
interactive class participation.
A noted feature of infrared signal transmission is that it is confined within the
classroom. The transmission signal will not penetrate walls, ceiling or floor. This
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 a VoiceLink system.
Easy to use - Easy to maintain
VoiceLink II
The VoiceLink II (IRV-268N) is a two channel receiver for simultaneous
reception of two Infrared wireless microphones. It receives the IR signal
from a dome sensor, processes it and produces an analog signal for the
input of an amplified sound system. It features individual volume controls
for the microphones and provides either a balanced or unbalanced audio
output.
Front Panel ________________________________________________________________
Power Switch with an associate “Red” LED to indicate presence of power.
Channel “A” & “B” volume controls for independent volume control for each
wireless IR transmitter input.
IR Transmission Indicator LED will light “Green” when a transmitter is turned
“ON”, informing you that an IR signal is being received on that respective
channel.
Rear Panel
_________________________________________________________________
Phone Jack (1/4”) is an unbalanced output of combined channels “A” and “B”.
Line / Mic Switch selects the output signal to be either “Line” or “Mic” level.
Three Pin Phoenix Connector is a balanced line level output of channel “A”
and “B”
Pin 1: Ground
Pin 2: Positive (+)
Pin 3: Negative (-)
Male XLR Connectors (male) are balanced line level outputs for each respective
channel.
Sensor Inputs (RCA) The sensor inputs apply power to a sensor and receives the
IR 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-50)
Dome Sensor is the receiving component mounted
on the ceiling that collects the modulated infrared
signal from the transmitter (Pendant, Handheld, or
Body-Pack). The composite signal is sent to the
receiver input via a dual shielded cable. The sensor
has 30 receiving diodes providing 360spherical
reception.
Power “ON” LED (Green) indicates that the
sensor is receiving power from the receiver.
Cable (50’) connects the sensor to the receiver. The
cable is dual shielded with RCA connectors on each
end and is plenum rated.
Infrared Wall Sensor (IRW-50)
Wall Sensor is an IR receiving component designed for wall mounting. The
sensor has 15 receiving diodes providing 180conical reception from the front.
Wall sensors can be used as the sole source of reception or as a secondary area of
reception, supplementing another sensor.
Power “ON” LED (Green) indicates that the sensor is receiving power from the
receiver.
Cable (50’) connects the sensor to the receiver. The cable is dual shielded with
RCA connectors on each end and is plenum rated.
Infrared Transmitters
The infrared transmitter is the component that is fed a vocal signal through a
microphone and it transmits that vocal signal via an infrared light beam to the
receiving sensor. The transmitter is comprised of a microphone input, signal
processor and 10 transmitting diodes for signal transmission to the sensor. There
are three styles of transmitters: Handheld, Pendant and Body-Pack.
Handheld Microphone / Transmitter (IRH-30) is most applicable for student
use or direct presentation. The 10 emitting diodes are located around the bottom
of the microphone for 360spherical transmission.
Features:
Power ON / OFF switch with LED indicator
Battery level LED indicator: “Green” useable charge
“Red” need recharging
Channel selector switch: Ch. “A” or “B”
(inside battery compartment)
Rechargeable batteries: Two “AA” NiMH
External battery contacts for drop-in charger
Metal enclosure with low handling noise
Dimensions: 10” L x 1.5” Dia.
Weight: 11.4 oz. with batteries
Pendant Transmitter (IRT-89) is a complete self-contained unit with a built-in
microphone. It is the smallest transmitter and is usually worn around the neck.
An adjustable lanyard allows for optimum positioning for performance and
comfort. The transmitter is easily clipped on and off from the lanyard for
handheld use or student participation. The transmitting diodes (10) are located
behind the window on the top portion providing 180conical transmissions.
Features:
Power ON / OFF switch on front panel with LED
indicator
Battery level LED indicator: “Green” useable charge
“Red” needs recharging
Channel selector switch: Ch. “A” or “B” Volume
Control
Rechargeable batteries: Two “AA” NiMH
External battery contacts for drop-in charger
External microphone input: Top center (3.5mm)
Dimensions: 5.25” H x 1.5” W x 1” D
Weight: 4.8 oz. with batteries
Plug-in Microphone (LM-300)
The LM-300 is an optional plug-in microphone to
be plugged into the top of the pendant for
enhanced performance. Although the built-in
microphone is satisfactory, the plug-in microphone
has a unidirectional microphone element
reproducing better vocal quality and rendering
more gain (more volume) before feedback.
Body-Pack Transmitter (IRB-30) is usually worn on the waistband with an
external microphone plugged in i.e. Lapel (LM-835), Collar (CM-835) or
Headband (HBM-835). Or with a lanyard and the Plug-in microphone (LM-300)
plugged into the top, it can be worn as a pendant microphone / transmitter. The
10 emitting diodes are located behind the dark red window providing 180
conical transmission.
It is imperative that the transmission window not be
covered or obstructed from transmitting to the
sensor.
Features:
Power ON / OFF switch on side with LED indicator
Battery level LED indicator: “Green” useable charge
“Red” need recharging
Channel selector switch: Ch. “A” or “B”
(inside battery compartment)
Rechargeable batteries: Two “AA” NiMH
Volume Control
External battery contacts for drop-in charger
External microphone input: Top center (3.5mm)
Dimensions: 4.75” H x 2.75” W x 0.75” D
Weight: 4.8 oz. with batteries
Optional Microphones for the Body-Pack Transmitter
Lapel Microphone (LM-835) is a small capsule
microphone with a spring clip for securing it on to
a clothing edge. The lapel microphone renders
excellent vocal reproduction. The lapel microphone
is less obtrusive to the user and least visible.
However, due the greater distance from mouth to
microphone it will require additional gain. As a
result it is more prone to feedback. So adjustment
of volume is more critical, especially near or under
a speaker.
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