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LightSpeed Technologies Listening Enhancement System LES 600 Series manual

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Table of contents for the manual

  • Page 1

    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[...]

  • Page 2

    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. The Sound-Field FM Classroom Amplification provided by the LES 600 incr eases both the volume and c[...]

  • Page 3

    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). • The Receiver/Amplifier is connected to a power source: Use the enclosed AC/DC power adapter to plug into a power cord or[...]

  • Page 4

    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. Connect one end of the Charging Cable to one of the TRANSMITTER CHARGING jacks on the back panel of the Receiver/ Amp[...]

  • Page 5

    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.). Should the batteries in the T ransmitter need to be changed, open the lower plastic cover by pressing the ribbed portions on both sides of [...]

  • Page 6

    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. The neck cord is adjusted by squeezing the two l[...]

  • Page 7

    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. While speaking at a conversational voice level, slowly turn the MIC 1 VOLUME control knob clockwise to incr ease the loudness of th e speakers until [...]

  • Page 8

    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. 5 Once the batteries a[...]

  • Page 9

    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. While speaking at a normal voice level, slowly turn the MIC 1 VOLUME or MIC 2 VOLUME (if applicable) contr[...]

  • Page 10

    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. Connecting to A LightSPEED CX-50 Receiver A 1/4” phone-to-RCA cable is used. The 1/4” phone p[...]

  • Page 11

    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. When setting the volume, ask the students, “What is the correct volume?” (Each level will seem “louder” for them than y[...]

  • Page 12

    • 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 . Y our r echargeable batteries should last for a normal school[...]

  • Page 13

    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). When the T ransmitter is turned ON the amber RF Indicator will [...]

  • Page 14

    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. Aux1 and Aux2 V olume Contr ol: Rotating the Auxiliary V olume Co[...]

  • Page 15

    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 . Connecting the wrong type of power supply can res[...]

  • Page 16

    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. AUX1 level is adjusted by using the AUX1 VOLUME on the front; AUX2 is adjusted by AUX2 VOLUME.[...]

  • Page 17

    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. • Confirm the CHARGING light located on the front panel of the ampl[...]

  • Page 18

    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. Sound Fades In and Out (Dr op Out) • Confirm Amplifier an[...]

  • Page 19

    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. White or gray wire to red terminal. T ransmitter Car e • Cleaning the microphon[...]

  • Page 20

    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. Changes or modifications not expressly[...]

  • Page 21

    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. If such malfunction occurs, the pr oduct will be repair[...]