Lightspeed 800 Series Manuel utilisateur

User Manual

Classroom Audio Systems

800 Series

ASSISTIVE LISTENING

LES 820iR Classroom Amplification System

ALD VOLUME

AUDIO INPUT VOLUME

WIRELESS MICROPHONE VOLUME

IR AP IR AP

820iR

CAT 855

CAT 885

TABLE OF CONTENTS

SECTION 1: 3 Important Safety Instructions

Overview 4 System Components and Unpacking

8 Optional Accessories

9 820iR: Front Panel Controls

10 820iR: Rear Panel Controls

11 820iR: Infrared Sensor (SR70F)

12 CAT 855: Front Panel Controls

13 CAT 855: Back Panel Controls

14 CAT 885: Front Panel Controls

15 CAT 885: Back Panel Controls

17 CAT 855/885: Infrared Sensor/Receiver

18 REDMIKE Controls and Connections

19 REDMIKE Cradle Charger Controls &

Connections

SECTION 2: 21 1. Charging the REDMIKE

Daily Operation 22 2. Operating the REDMIKE

23 3. Using the REDMIKE to Amplify External

Audio Equipment

24 4. Output to Personal Assistive Listening

Device (ALD)

25 5. Audio Integration

26 6. Tips to Obtain Optimum Audio Performance

SECTION 3: 27 REDMIKE VC: Controls and Connections

Optional Accessories 28 Charging

28 Initial Set-Up

29 REDMIKE Share: Controls and Connections

30 Charging

31 Initial Set-Up

32 LT71: Initial Setup

33 Charging

34 Initial Set-up

35 PageFirst Kit

36 IR Media Connector: Initial Set-up

37 Audio Integration

SECTION 4: 38 Common Problems and Solutions

Troubleshooting 39 Audio Equalization

SECTION 5: 40 Five-Year Limited Warranty

Warranty &

Speciﬁcations

41 Safety Warnings & Certiﬁcations

45 System Speciﬁcations

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use the apparatus

near water.

6. Clean only with dry cloth.

7. Do not block any

ventilation openings.

Install in accordance

with the manufacturer’s

instructions.

8. Do not install near any

heat sources such as

radiators, heat registers,

stoves, or other apparatus

(including amplifiers) that

produce heat.

9. Do not defeat the safety

purpose of the polarized

or grounding-type plug.

A polarized plug has two

blades with one wider than

the other. A grounding-

type plug has two blades

and a third grounding

prong. The wide blade or

the third prong is provided

for your safety. If the

provided plug does not fit

into your outlet, consult an

electrician for replacement

of the obsolete outlet.

10. Protect the power cord

from being walked on

or pinched particularly

at plugs, convenience

receptacles, and the point

where they exit from the

apparatus.

11. Only use attachments/

accessories specified by

the manufacturer.

12. Use only with a cart,

stand, tripod, bracket or

table specified by the

manufacturer, or sold with

the apparatus. When a cart

is used, use caution when

moving the cart/apparatus

combination to avoid injury

from tip-over.

13. Unplug this apparatus during

lightning storms or when

unused for long periods of

time.

14. Refer all servicing to

qualified service personnel.

Servicing is required when

the apparatus has been

damaged in any way, such

as power-supply cord or

plug is damaged, liquid has

been spilled or objects have

fallen into the apparatus, the

apparatus has been exposed

to rain or moisture, does

not operate normally, or has

been dropped.

15. When the mains plug or

appliance coupler is used

as the disconnect device,

it shall remain readily

operable.

16. Please keep the unit

in a good ventilation

environment.

17. WARNING: To reduce the risk

of ﬁre or electric shock, do not

expose this apparatus to rain

or moisture.

18. Apparatus shall not be

exposed to dripping or

splashing and no objects

ﬁlled with liquids, such as

vases, shall be placed on the

apparatus.

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

SECTION 1:

OVERVIEW

SYSTEM COMPONENTS AND UNPACKING

The standard conﬁguration of the 820iR will contain:

Ampliﬁer

Power Supply

SR70F Infrared

Sensor and Cable

Cradle Charger and

Power Supply

REDMIKE®

Classroom

Microphone

820iR Ampliﬁer

POWER

A VOLUME B VOLUME TV/VCR CD/DVD ASSISTIVE LISTENING

IR IR

AF AF

WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME

LES 820iR Classroom Amplification System

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

SYSTEM COMPONENTS AND UNPACKING

CONT’D

Ampliﬁer

Power Supply

The standard conﬁguration of the CAT 855 or 885 Ampliﬁer will contain:

Cradle Charger and

Power Supply

REDMIKE®

Classroom

Microphone

ISR Infrared Sensor/

Receiver and Cable

Wall Bracket

(855WB) for CAT

855 Ampliﬁer

885

855

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

SYSTEM COMPONENTS AND UNPACKING

CONT’D

Speakers

Systems can be conﬁgured with a variety of different speaker types,

including the following:

NXQ (x 1)DRQ (x 4)

WMQ (x 4)

4jCS (x4)

(plenum rated)

TCQ (x 1) (When shipped with 820iR,

TCQ does not include ISR.)

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

Standard Components for 855/885

855 (or) Audio ampliﬁer/mixer

885 Audio ampliﬁer/mixer

24V-2.5-NA 24V/2.5A power supply for 855/885 in U.S. and Canada

24V-2.5-_ 24V/2.5A power supplyfor 855/885, specify country

ISR Infrared sensor/receiver with mounting bracket

P5E50 50’ plenum-rated Cat 5e cable

RMT2 REDMIKE classroom microphone with battery &

lavaliere cord

NH2A27 AA NiMH rechargeable sensing battery for REDMIKE

RMCC REDMIKE cradle charger

5V-1.0-NA 5V/1.0A power supply for cradle charger in U.S. and

Canada

5V-1.0-INT 5V/1.0A power supply for cradle charger outside U.S.

and Canada

855WB Wall mount bracket for 855 only.

SPEAKERS As ordered.

Standard Components 820iR

L820 Infrared receiver/ampliﬁer/mixer

24V-2.5-NA 24V/2.5A power supply for 820iR in U.S. and Canada

24V-2.5-_ 24V/2.5A power supply for 820iR, specify country

SR70F Infrared sensor with mounting bracket

PC50F 50’ plenum-rated sensor cable

RMT2 REDMIKE classroom microphone with battery

NH2A27 AA NiMH rechargeable sensing battery for REDMIKE

RMCC REDMIKE cradle charger

5V-1.0-NA 5V/1.0A power supply for cradle charger in U.S. and

Canada

5V-1.0-INT 5V/1.0A power supply for cradle charger outside U.S.

and Canada

SPEAKERS As ordered.

SYSTEM COMPONENTS AND UNPACKING

CONT’D

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

Optional equipment which may be part of your 820/885/855 system:

REDMIKE® VC

Volume Control

Microphone (RMV2)

LT- 71

LT71

LightMic

and Charger

Cable (LT71)

Replacement Parts

NH2A27 AA NiMH rechargeable sensing battery for REDMIKE

& RMV

NH2APK NiMH rechargeable battery pack for REDMIKE Share

NH1 AA NiMH rechargeable battery for LT71 (2 per

microphone)

Infrared Media

Connector

(IRMC2)

OPTIONAL ACCESSORIES CONT’D

Page First Kit

(PFSC)

for 855/885

REDMIKE Share

Handheld Mic &

Charger Cable

(RMS2)

Ampliﬁer Shelf

(800WB) for

820/885

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

POWER

A VOLUME B VOLUME

TV/VCR CD/DVD ASSISTIVE LISTENING

IR IR

AF AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME ALD VOLUME

LES 820iR Classroom Amplification System

POWER

A VOLUME B VOLUME

TV/VCR CD/DVD ASSISTIVE LISTENING

IR IR

AF AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME ALD VOLUME

LES 820iR Classroom Amplification System

820iR: FRONT PANEL CONTROLS

1. POWER SWITCH/POWER

INDICATOR: Use this switch to

turn the 820iR on (switch up),

or off (switch down). When the

POWER is switched on, the

red LED indicator will light.

2. IR INDICATORS (IR): These

lights will glow red when the

corresponding microphone

(channel A or B) is turned on

and transmitting. A steady

light indicates a strong signal.

3. AF INDICATORS (AF): These

lights ﬂash green when audio

(voice) from the microphone is

detected.

4. A VOLUME: Controls the

volume level of the teacher

microphone (set to channel A).

Rotating the knob clockwise

increases output level.

5. B VOLUME: Controls the

volume level of the optional

second microphone (set to

channel B). Rotating the knob

clockwise increases output

level.

6. AUDIO INPUT VOLUMES:

Control the volume of the

audio coming from the media

source (computer, TV/VCR,

CD/DVD, etc.) connected to

the corresponding input on

the rear panel.

7. ALD OUTPUT AND VOLUME:

This jack sends audio to

external equipment such as

an assistive listening device

like Lightspeed’s 370 Personal

FM System. Use the volume

control to set the optimum

signal level for the device.

6 7

1. Overview 2. Daily Operarion 3. Optional

Accessories 4. Troubleshooting 5. Warranty &

Speciﬁcations

SPEAKER OUTPUTS

AUDIO INPUT

CHARGERS

POWER

TV/VCR CD/DVD

L L

R R

24V

SENSOR INPUT

SENSOR

SHORT

2.06/2.54

SPEAKER OUTPUTS

250 400 700 1K 1K4 2K5 4K

6K3

+10

-10

AUDIO INPUT

CHARGERS

POWER

TV/VCR CD/DVD

L L

R R

24V

SENSOR INPUT

SENSOR

SHORT

2.06/2.54

1. SPEAKER OUTPUTS (1–4):

These binding post connectors

are used to connect the

820iR to the loudspeaker(s).

Depending on speaker, all

outputs may not be used.

*Note: Wiring to these

terminals should follow the

Class 2 wiring methods as

outlined in the National

Electric Code.

2. DC POWER: Plug the 24 V

power supply into this jack.

3. CHARGERS: These jacks can

be used to charge the optional

LightMic or REDMIKE Share as

an alternative to connecting

them to the REDMIKE cradle

charger.

4. AUDIO INPUTS:

These connections accept

an audio signal from other

technology so all multimedia

can be distributed evenly

throughout the classroom.

5. 4-BAND AUDIO EQUALIZER:

Adjust these controls upon

installation to properly

equalize the system to

produce optimum audio

quality from the microphone(s).

6. SENSOR INPUT: The IR sensor

cable connects to the sensor

input. Connect additional

sensors to cover large or odd-

shaped classrooms.

7. SENSOR SHORT: This LED

glows when there is a short in

one of the sensor cables.

820iR: REAR PANEL CONTROLS

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