Manuel d'utilisation / d'entretien du produit Listening Enhancement System LES 600 Series du fabricant LightSpeed Technologies
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May 2002 1-800-732-8999 www .lightspeed-tek.com LightSPEED T echnologies, Inc. User Manual LES 600 Series Listening Enhancement System tm for Sound-Field Classr oom Amplification.
Several studies validated by the U.S. Department of Education and the Educational Audiology Association verify that poor classroom acoustics, high ambient noise, and temporary mild hearing loss among children place many students academically at risk.
4 LES 600 OPERA TING INSTRUCTIONS Power for Y our LES 600 Receiver/Amplifier 1 Check that: • Both front panel micr ophone volume controls (MIC 1 VOLUME and MIC 2 VOLUME) are set to minimum (turned fully counter -clockwise).
LES 600 OPERA TING INSTRUCTIONS 5 Power for Y our Belt-Pack T ransmitter & Micr ophone 1 Ensure the Belt-pack T ransmitter is turned OFF . 2 Y our Belt-pack T ransmitter has its internal rechargeable batteries already installed.
6 LES 600 OPERA TING INSTRUCTIONS 4 NiMH batteries will usually maintain their charge for a full day of normal classroom use. Always switch the T ransmitter OFF when not in use (lunch hour , quiet times, etc.
LES 600 OPERA TING INSTRUCTIONS 7 Positioning Y our Microphone After the microphone is connected to the belt-pack T ransmitter , position the microphone as described below: 1 Lavaliere Micr ophone : The lavaliere micr ophone should be hung around the neck as illustrated, r esting on your collar bone.
8 LES 600 OPERA TING INSTRUCTIONS 3 When speaking at a normal voice level, the green AF INDI- CA TOR on the Receiver/Amplifier fr ont panel should flash on and off as the voice level goes up and down.
3 The batteries will fully charge in about 8-12 hours. 4 When in normal use, it is best to leave batteries on the charger until used, since there is a small amount of discharge after 48 hours. However , do not leave battery(ies) plugged into the charger for mor e than 5 days as it will significantly shorten your battery life.
Connecting to Other Audio Equipment 10 LES 600 OPERA TING INSTRUCTIONS 8 When speaking at a normal voice level, the green AF indi- cator light (on the Receiver/Amplifier front panel) should flash on and off as the voice level goes up and down.
LES 600 OPERA TING INSTRUCTIONS 11 and T elex transmitters use 2.5mm and 3.5mm audio input jacks, respectively . W ith the Receiver/Amplifier turned ON, increase the Mixed Audio Output LEVEL ADJUST slowly clockwise until you reach a comfortable volume.
12 LES 600 OPERA TING INSTRUCTIONS These helpful suggestions are pr ovided to maximize the successful use of your new Classroom Amplification system: • Involve your students in this new process right fr om the beginning.
• T ur n the body-pack T ransmitter and/or the Hand-held Microphone OFF whenever leaving the classr oom. • Recharge batteries each night. Operating time (actual usage) f or the T ransmitter when using the rechar geable batteries should be more than adequate for a typical school day .
14 LES 600 OPERA TING INSTRUCTIONS Power Indicator: When power is switched on, the red POWER light will come on. Radio Frequency Indicator: The RF Indicator displays that the LES 600 is receiving a radio signal from the instructor’ s body-pack T ransmitter (or Hand- held Microphone).
Power and V olume Switch for Micr ophones: Rotating the Mic 1 V olume control or Mic 2 V olume control clockwise past the first “click” turns the LES 600 on. Continuing to rotate this knob clockwise will incr ease the volume of the wireless micr ophone through the speaker system.
17 & 19 16 LES 600 OPERA TING INSTRUCTIONS DC Power Connector: The Receiver/Amplifier requires a 15-volt, 2.4 Amp DC power supply . The center conductor is positive (+) polarity . Caution : Power supplies from dif ferent manufacturers have various output voltages, current ratings, and polarity .
LES 600 OPERA TING INSTRUCTIONS 17 Aux1 and Aux2 Input Jacks: The AUXILIAR Y INPUT jack is used to connect to an external audio source (for example, a CD or tape player to add back- ground music) to mix with your voice audio fr om the wireless microphone.
18 LES 600 OPERA TING INSTRUCTIONS Please go through this checklist befor e calling LightSPEED T echnologies Service Department. Battery Check • T ransmitters are char ged via a jumper cable from the back of the Amplifier . Make sure plugs are secured, and in the pr oper jacks.
LES 600 OPERA TING INSTRUCTIONS 19 Low V olume • Check volume level on Receiver and adjust as necessary . • If volume is too low , check the “MT” adjustment inside the battery compartment of the belt-pack T ransmitter . Clockwise adjustment of the “MT pot” will increase volume.
20 LES 600 OPERA TING INSTRUCTIONS • Check to confirm speaker wires are in the corr ect wire terminals on the back of the Receiver/Amplifier and confirm that the speaker switch for that speaker output is in the ON position. Black (or black stripe) to black terminal.
LES 600 OPERA TING INSTRUCTIONS 21 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interfer ence that may cause undesired operation.
22 LES 600 OPERA TING INSTRUCTIONS Five Year Limited Warranty to Original Pur chaser LightSPEED 600-series Classroom Amplification Systems ar e guaranteed against malfunction due to defects in materials and workmanship for a period of five years, beginning at the date o f the purchase invoice.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté LightSpeed Technologies Listening Enhancement System LES 600 Series c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du LightSpeed Technologies Listening Enhancement System LES 600 Series - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation LightSpeed Technologies Listening Enhancement System LES 600 Series, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le LightSpeed Technologies Listening Enhancement System LES 600 Series va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le LightSpeed Technologies Listening Enhancement System LES 600 Series, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du LightSpeed Technologies Listening Enhancement System LES 600 Series.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le LightSpeed Technologies Listening Enhancement System LES 600 Series. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei LightSpeed Technologies Listening Enhancement System LES 600 Series ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
