LightSpeed Technologiesメーカー820iRの使用説明書/サービス説明書
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LightSPEED 820iR Classr oom Amplification System User Manual LightSPEED T echnologies, Inc. 11509 SW Herman Rd T ualatin, OR 97062 800.732.8999 www .lightspeed-tek.
S AFETY INSTRUCTIONS 1. Read Instructions— All the safety and operation instructions should be read befor e this LightSPEED product is operated. 2. Retain Instructions— The safety and operating instructions should be k ept for future r efer ence. 3.
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 User Manual | 20 820iR Use.
Safety Instructions Daily Use Instructions 820iR Classroom Amplification System System Components System Installation Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement I.
P ower Output 12 W per channel (24 W total) Amplifier F requency R esponse 40 Hz to 20 kHz ±3 dB Carrier F requencies (IR) 2.06/2.54; 3.2/3.7 MHz Signal-to-Noise Ratio > 73 dB Dynamic Range > .
820iR User Manual | 2 17 | 820iR User Manual 820iR User Manual 820iR User Manual LT - 7 1 820iR Infrared Receiver/Amplifier L T -71 LightMic™ T ransmitter SR-70F Infrared Sensor Sensor Cable Optional HM-70 Handheld Microphone Speakers and Speaker Wire Helpful Hint SYSTEM COMPONENTS Power Supply Keep ALL packaging materials.
SYSTEM INST ALL A TION Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement Place the 820iR on a flat surface lik e a bookcase, countertop or optional Light- SPEED wall shelf (part#AC-800WB). • Select a location that is close to a standard wall electrical outlet.
1. Lift the ceiling tile nearest the grid rail in your desir ed sensor location. Guide one side of the C-clip over one edge of the grid rail. P roviding firm support to the back of the grid rail with one hand (to prevent bending), firmly and car efully snap the second side of the C-clip over the edge of the rail.
FRONT P ANEL CONTROLS 5 | 820iR User Manual 820iR User Manual | 14 820iR User Manual 820iR User Manual 1. POWER Switch/POWER Indicator: This switch is used to turn the 820iR ON (switch up), or OFF (switch down). When the POWER switch is in the ON position, the red POWER light will glow .
820iR User Manual | 6 13| 820iR User Manual 820iR User Manual 820iR User Manual SPEAKER OUTPUTS 250 4 00 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC 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 loudspeak ers.
7 | 820iR User Manual 820iR User Manual |12 820iR User Manual 820iR User Manual 1. ON/OFF/MUTE Switch: This switch, located on the side of the LightMic, turns the unit on or off/mute. 2. Channel Select Switch (CH A/B): This switch allows for selection between Channel A or B.
2. Ensure speak er wire connections are secure and not frayed. 1 2 SPEAKER OUTPUTS 250 40 0 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.
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 9 | 820iR User Manual 820iR User Manual | 10 820iR User Manual 820iR User Manual SYSTEM OPER A TION TURNING THE SYSTEM ON 4.
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 9 | 820iR User Manual 820iR User Manual | 10 820iR User Manual 820iR User Manual SYSTEM OPER A TION TURNING THE SYSTEM ON 4.
2. Ensure speak er wire connections are secure and not frayed. 1 2 SPEAKER OUTPUTS 250 40 0 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.
7 | 820iR User Manual 820iR User Manual |12 820iR User Manual 820iR User Manual 1. ON/OFF/MUTE Switch: This switch, located on the side of the LightMic, turns the unit on or off/mute. 2. Channel Select Switch (CH A/B): This switch allows for selection between Channel A or B.
820iR User Manual | 6 13| 820iR User Manual 820iR User Manual 820iR User Manual SPEAKER OUTPUTS 250 4 00 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC 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 loudspeak ers.
FRONT P ANEL CONTROLS 5 | 820iR User Manual 820iR User Manual | 14 820iR User Manual 820iR User Manual 1. POWER Switch/POWER Indicator: This switch is used to turn the 820iR ON (switch up), or OFF (switch down). When the POWER switch is in the ON position, the red POWER light will glow .
1. Lift the ceiling tile nearest the grid rail in your desir ed sensor location. Guide one side of the C-clip over one edge of the grid rail. P roviding firm support to the back of the grid rail with one hand (to prevent bending), firmly and car efully snap the second side of the C-clip over the edge of the rail.
SYSTEM INST ALL A TION Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement Place the 820iR on a flat surface lik e a bookcase, countertop or optional Light- SPEED wall shelf (part#AC-800WB). • Select a location that is close to a standard wall electrical outlet.
820iR User Manual | 2 17 | 820iR User Manual 820iR User Manual 820iR User Manual LT - 7 1 820iR Infrared Receiver/Amplifier L T -71 LightMic™ T ransmitter SR-70F Infrared Sensor Sensor Cable Optional HM-70 Handheld Microphone Speakers and Speaker Wire Helpful Hint SYSTEM COMPONENTS Power Supply Keep ALL packaging materials.
P ower Output 12 W per channel (24 W total) Amplifier F requency R esponse 40 Hz to 20 kHz ±3 dB Carrier F requencies (IR) 2.06/2.54; 3.2/3.7 MHz Signal-to-Noise Ratio > 73 dB Dynamic Range > .
Safety Instructions Daily Use Instructions 820iR Classroom Amplification System System Components System Installation Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement I.
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 User Manual | 20 820iR Use.
S AFETY INSTRUCTIONS 1. Read Instructions— All the safety and operation instructions should be read befor e this LightSPEED product is operated. 2. Retain Instructions— The safety and operating instructions should be k ept for future r eference. 3.
LightSPEED 820iR Classr oom Amplification System User Manual LightSPEED T echnologies, Inc. 11509 SW Herman Rd T ualatin, OR 97062 800.732.8999 www .lightspeed-tek.
デバイスLightSpeed Technologies 820iRの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
LightSpeed Technologies 820iRをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLightSpeed Technologies 820iRの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。LightSpeed Technologies 820iRの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。LightSpeed Technologies 820iRで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
LightSpeed Technologies 820iRを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLightSpeed Technologies 820iRの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、LightSpeed Technologies 820iRに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLightSpeed Technologies 820iRデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。