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Daily Use Instructions
820iR Classroom Amplification System
System Components
System Installation
Unpacking Your System
Location of the Receiver/Amplifier
IR Sensor Placement
IR Sensor Installation
Suspended Ceiling Mount
Wall/Solid Ceiling Mount
Speaker Installation
Front Panel Controls
Rear Panel Controls
LightMic Controls and Connections
Initial Setup
Finalizing Receiver/Amplifier
Final Check
System Operation
Turning the System On
Charging the LightMic
System Installation Diagram
Input from External Audio Equipment
Output to Personal FM Transmitter
Operating the Optional HM-70 Handheld Mic
Charging the HM-70
Tips on Classroom Amplification
Warranty Statement
Troubleshooting Guide
System Specifications
Individual Components and Optional Accessories
User Notes
User Notes
820iR CLASSROOM AMPLIFICATION SYSTEM
TABLE OF CONTENTS
19 | 820iR User Manual
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Part Number
Description
RX-820
LT71
HM70
BA-NH1
AC-TCC7
AC-LTCB
PS-24V-2.5
SR70F
MC-TK250LTM
CA-RCA6
CA-RCA24
CA-MMC3535
CA-MMC2535
SPEAKERS
Infrared receiver/amplifier/mixer w/built-in charger
LightMic
™
rechargeable microphone/transmitter
w/lavaliere cord, batteries and charging cable
Handheld microphone/transmitter w/batteries and
charging cable
Rechargeable AA battery (Nickel Metal Hydride)
Charging cable for LT-71 and HM-70 microphones
Lavaliere cord for LT-71
Power supply/battery charger for 820iR
Infrared sensor with cable and wall or ceiling mounting
bracket
Noise-canceling headset microphone used
with LT-71
6’ dual RCA audio cable
24’ dual RCA audio cable
3.5 mm mono to 3.5 mm mono audio cable
Audio patch cable (2.5 mm mono to 3.5 mm mono)
Contact LightSPEED at 800.732.8999 for loudspeaker
information
INDIVIDUAL COMPONENTS & OPTIONAL ACCESSORIES
AC-71CC
Cradle charger
Optional Accessories
BC-TXLT
Wall charger
AC-800WB
Wall shelf