LightSpeed Technologies 780iR User Manual Download

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U S E R ’ S M A N U A L

LES 780iR INFRARED CLASSROOM

AMPLIFICATION SYSTEM

L I G H T S P E E D T E C H N O L O G I E S , I N C .

1 1 5 0 9 S W H E R M A N R D

T U A L A T I N , O R 9 7 0 6 2

8 0 0 . 7 3 2 . 8 9 9 9

W W W . L I G H T S P E E D - T E K . C O M

Summary of Contents for 780iR

Page 1: ...U S E R S M A N U A L LES 780iR INFRARED CLASSROOM AMPLIFICATION SYSTEM...

Page 2: ...he LightMic Adjusting Volume Operating two microphone transmitters simultaneously Optional HM 70 Handheld Microphone Transmitter HM 70 Overview HM 70 Controls HM 70 Operating Instructions Charging Ope...

Page 3: ...udent in the classroom The LES 780iR is a two channel receiver ampli er that allows the use of two micro phones and up to four audio input sources In addition up to six speakers can be con nected to t...

Page 4: ...er Supply SR 70 Infrared Sensor Cable SR 70 Infrared Sensor Various speakers are available and are typically shipped in a separate box with plenum rated speaker wire RCA Cables Speaker s LES 780iR Rec...

Page 5: ...e receiver It s optimal to route wire overhead above ceiling tiles if possible In addition wire can be routed down the wall and around the room perimeter secured with heavy staples or wire raceway 3 S...

Page 6: ...six sensor inputs on the back of the LES 780iR Complete Step 7 testing to con rm optimum sensor location and permanently secure wire from the sensor back to the LES 780iR note The LightMic rechargeab...

Page 7: ...fore your rst full day of use A second person is helpful to listen and ensure your voice is clear but not loud With the LightMic positioned properly around the neck speak normally and turn the A VOLUM...

Page 8: ...UME Controls the volume level of the microphone transmitter that is switched to Channel A Rotating the knob clockwise increases output level 5 B VOLUME Controls the volume level of the microphone tran...

Page 9: ...s are used to connect the charging cable to the LightMic or a handheld microphone for daily battery charging 7 FILTERS These speaker lters are cov ered with a speaker indicator label and are factory p...

Page 10: ...to a power source Use the enclosed AC DC power adaptor to plug into a standard electrical outlet and connect the other end to the DC POWER jack on the back panel d Individual SPEAKERS volume knobs on...

Page 11: ...is triangle shaped LED is two color It glows red when the LightMic is powered on green when charging and goes out when fully charged LT 70 LightMic Microphone Transmitter Controls and Connections 4 Ex...

Page 12: ...end of the charging cable rmly into the jack labeled CHARGER on the side of the LightMic Connect the other end of the charging cable to one of the MIC CHARGE jacks on the back of the LES 780iR 3 The...

Page 13: ...that the LES 780iR is receiving the LightMic signal and is ready for use c Adjust the volume of the receiver by turning A VOLUME clockwise d Speak at a normal level and slowly turn the volume knob clo...

Page 14: ...when the HM 70 is powered on and glows green when charging 4 Charger Use this jack to connect the charging cable from the 780iR to the HM 70 for daily battery recharging Optional HM 70 Handheld Microp...

Page 15: ...itch is located inside the battery compartment The switch is set to Channel B at the factory a Slide the power switch on the side of the HM 70 all the way up The power indicator LED will glow red and...

Page 16: ...ispersion of sound throughout the room Zoning is especially useful in large or odd shaped classrooms While LightSPEED recommends leaving the speaker volume set in the middle position to maintain a uni...

Page 17: ...l year when cared for properly Five Year Limited Warranty to Original Purchaser The LightSPEED LES 780iR Infrared Classroom Ampli cation System is war ranteed against malfunction due to defects in mat...

Page 18: ...W Speaker Load Impedance 4 Ohms Power Supply UL Listed 24 V 2 5 A Dimensions 18 x 9 x 3 H x W x D inches Weight 7 lbs Inputs TV VCR RCA Line Level CD Tape RCA Line Level Computer RCA Line Level Auxili...

Page 19: ...eries LED light on front of mic will glow bright red No Sound From Speaker Con rm the LightMic and the LES 780iR are turned on and have matching channels Check both A VOLUME and B VOLUME to ensure the...

Page 20: ...used with 705iR AC LTCB Lavaliere cord for LT 70 PS 24V 2 5 Power Supply Battery Charger for 780iR IR SR70 Infrared Sensor with wall or ceiling mounting bracket MC TK250LTM Optional Noise canceling H...

Page 21: ...se information This is helpful when ordering additional components accessories and or warranty service serial number optional component serial number LT 70 LightMic standard components SR 70 IR Sensor...

Page 22: ...L I G H T S P E E D T E C H N O L O G I E S I N C 1 1 5 0 9 S W H E R M A N R D T U A L A T I N O R 9 7 0 6 2 8 0 0 7 3 2 8 9 9 9 W W W L I G H T S P E E D T E K C O M...