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2.  Plan speaker placement

Proper speaker placement is critical to getting optimum benefit from any classroom amplification system. 
Improperly chosen or installed speakers can actually harm intelligibility, so please take the time to plan this 
step thoroughly.

It’s useful to imagine each speaker as a flashlight, and that your goal is to light up the areas where students 
are sitting. Speakers should therefore be focused on the students and facing them. 

Speaker symbols:

             = ceiling speakers                             

             = IR speakers

There may be cases in which you want to install more speakers than normal (e.g. the room is very large) or 
connect speakers in series (e.g. to save cable length). Refer to Appendix B for guidance.

        

     

9

Содержание Lasso

Страница 1: ...lasso INSTALLER GUIDE ...

Страница 2: ...rt representatives are happy to help Thank you for choosing FRONTROW You re just steps away from a happier more productive USA Global FrontRow Corporate Headquarters 2080 Lakeville Highway Petaluma CA 94954 6713 toll free 800 227 0735 tel 707 769 1110 fax 707 769 9624 web www gofrontrow com Australia Phonic Ear 12 97 Castlemaine Street Milton Qld 4064 Australia freecall 1 800 PHONIC fax 1300 746 6...

Страница 3: ...n Step 2 Page 7 Get yourself ready Step 3 Pages 8 11 Plan your installation Speakers Step 4 Pages 12 14 Plan your installation Sensors Step 5 Page 15 Install the receiver Step 6 Pages 16 19 Install speakers Step 7 Pages 20 21 Install sensors Step 8 Pages 22 23 Route and connect cables Step 9 Page 24 Test system Appendix A Page 25 Teacher Tips Appendix B Page 26 27 Special speaker connections Appen...

Страница 4: ...ceiver near water or heat sources Clean only with a dry cloth Do not block any ventilation openings Protect all cables from wear and damage from foot traffic doors and other hazards Use only accessories specified by FrontRow Refer servicing to qualified service personnel Wear safety goggles when using power tools Follow all safety guidelines when using ladders Observe your local building electrica...

Страница 5: ...d below Size Walls Windows Obstructions hanging art tall free standing bookshelves suspended lights Shape 900ft2 Light colors Few Few Simple 900ft2 1500ft2 Dark colors Many 50 window to wall area Many Complex Alcoves bays where teachers may walk _______ x 1 _______ x 3 If your score is We recommend 5 1 ceiling sensor OR IR speakers 6 10 1 ceiling sensor 1 wall sensor OR 2 ceiling sensors OR IR spe...

Страница 6: ... of where they re seated Deciding what other devices you ll want to connect to your FrontRow Lasso system now will make position ing the receiver easier in Step 3 There are many ways to approach integration Example 1 Many classrooms use a computer as a multi media hub that is connected to the internet or school network to download stream and play all audio and video For these classrooms you may on...

Страница 7: ...tible input outputs they may not integrate with each other For these classrooms you may choose to use an auxiliary audio box to connect all the sources to one location then connect it to one audio input connection to the 5301R 1 2 1 Cable stereo RCA to stereo RCA 2 Cable stereo RCA to stereo 3 5mm CD Player TV DVD Player VCR Internet Audio Video 2 2 2 2 2 1 1 Cable stereo RCA to stereo 3 5mm 2 Cab...

Страница 8: ...ent box 5301 System Box 940TM microphone AA LR6 NiMH Rechargeable Batteries Aux in Cord Aux in Cord Stereo RCA to stereo 3 5mm 20ft 6m Power Supply 5301R Lasso Receiver 5301R back Computer LCD Projector Wireless Transmission Audio In Example 5 Teachers can also connect either the 940TM or 950H mic to any audio source that s too far from the receiver to conveniently integrate directly 5 AC Power Co...

Страница 9: ...sor 2 Mounting Brackets 2 Sensor Cables 950H Student Mic Kit 202 01 420 00 950H Student Microphone or 1 Sensor Cable 950C Charger 940C Power Supply Open your speaker box This box should contain Open your sensor box Open other optional items Plenum rated tile bridge Plenum rated speaker cover or ceiling speaker IR speaker mounting bracket ...

Страница 10: ...ies Level or ruler tape measure Plastic raceway with screws Crimp pliers or scissors Tin snips optional Hammer Ladder Staple gun Safety goggles For concrete walls assemble the following tools Hammer drill Hammer Masonry drill bits Plastic cable zip ties Phillips 2 driver bit Plastic raceway with adhesive Level or ruler tape measure Tin snips optional Crimp pliers or scissors Ladder Concrete screws...

Страница 11: ...s ready and you ve organized all the parts and tools you ll need to set up your classroom amplification system Now it s time to decide where you ll place major components To help you decide we ll use the following layout of a typical classroom as an example 1 Decide where to put the receiver We recommend locating the receiver near the majority of your potential audio sources DVD player computer et...

Страница 12: ...tep thoroughly It s useful to imagine each speaker as a flashlight and that your goal is to light up the areas where students are sitting Speakers should therefore be focused on the students and facing them Speaker symbols ceiling speakers IR speakers There may be cases in which you want to install more speakers than normal e g the room is very large or connect speakers in series e g to save cable...

Страница 13: ...peakers Use the following guidelines when choosing where to put your ceiling speakers Define the area where students are sitting this is the area you want to cover with speakers not the entire room Divide this area into four equal sections Using a piece of tape mark a ceiling tile in the center of each of the four sections these are the tiles where you ll mount your ceiling speakers Avoid installi...

Страница 14: ...lls of the classroom Walls should have a space approximately 10in wide by 5in tall 25 x 13cm to solidly mount the wall bracket If the room has drop lighting the speaker should be placed just below the bottom of the lights the teacher should be able to see at least one speaker from all parts of the room Avoid installing speakers directly in front of the white board this not only covers an area used...

Страница 15: ...upplied by FrontRow Classroom Ceiling Sensor X Sensor performance reduced Not parallel to floor AND blocked by light fixtures Ceiling Sensor Installation Sensor cable Receiver Amplifier Interference and IR Coverage Adjacent classrooms that use FrontRow infrared systems can interfere with each other if the rooms are separated by windows The windows allow the infrared light to escape from the classr...

Страница 16: ...nging art or other obstructions If the teacher can see a sensor from all parts of the room you ve probably chosen a good spot Installing one ceiling sensor Locate the center of the room as shown Use a piece of tape to mark a spot on the ceiling in the center of the room NOTE The sensor must be able to see the entire room do not block the sensor with projector mounts lighting hanging art or other o...

Страница 17: ...room size 3 Positioning ceiling and wall sensors Mentally divide an odd shaped room into sections as shown The ceiling sensor should cover the larger section of the room and the wall sensor should cover the alcove or smaller section Use a piece of tape to mark a spot on the ceiling that is centered in the large section of the room this is where you will install the ceiling sensor Use a piece of ta...

Страница 18: ...bundle the FrontRow power supply or any power supply directly next to OR on top of the receiver 3 Plug power supply into wall socket 4 Connect any other teaching technology TV VCR DVD teacher s computer etc to your FRONTROW system through the Audio In jacks Review Step 1 for guidance Step 5 Install the receiver Rackmounting The LASSO receiver may be placed in a rack using a standard shelf that acc...

Страница 19: ...tile Using a keyhole saw cut the traced circle out of the tile Repeat for your other speaker tiles Step 6 Install speakers 1 Plenum rated listed ceiling speaker 3 speaker input terminals front 1 speaker support tabs back 2 speaker grill 4 metal tile bridge 1 2 3 4 5 5 speaker back can Estimated time for this step 30 minutes Now that your cables are in place you re ready to install your speakers Ti...

Страница 20: ...our slots in the bridge 7 Tighten wire clamp to secure speaker wire 8 Reattach speaker front grill d Replace tiles Drop the tile speaker assembly back into position in the tile grid by tilting it slightly lifting it above the frame work and letting it fall into place Be certain that the two short sides of the metal tile bridge are resting on top of the T bar rails holding the ceiling tiles in plac...

Страница 21: ...n tall 25 x 13cm to solidly mount the wall bracket If the room has drop lighting the speaker should be placed just below the bottom of the lights DO NOT use a splitter or adaptor with sensor cables These speakers incorporate sensors that must be visible to the teacher from all parts of the room DO NOT block sensors If you must alter cable length observe the guidelines on page 12 B INSTALLATION DIM...

Страница 22: ...peaker box 2 Mount wall plate NOTE Use hardware appropriate for your wall type 3 Angle speaker so that it will point toward the center of the closest half of the classroom when mounted Tighten knob 4 Attach cables as shown 5 Attach speaker to wall plate and install set screw 1 2 whiteboard 5301R Classroom top view speaker speaker 3 4 5 ...

Страница 23: ... to the receiver 4 Replace the ceiling tile making sure that the sides of the tiles prevent the sensor bracket from twisting b If you re installing a ceiling sensor and have a sheetrock ceiling 1 Locate the spot you marked in Step 4 for sensor placement 2 Mount the ceiling sensor directly to the sheetrock ceiling using the screws provided 3 Attach the sensor to the cable leading to the receiver NO...

Страница 24: ...the sensor will face the center of the section of the room it s serving see Step 4 c Slide bracket onto the back of the sensor d Attach the sensor to the cable leading to the receiver e Press the bracket onto the wall firmly Use mounting screws provided to secure bracket to wall wall sensor features 2 sensor connector 1 wall sensor bracket bent wall bend 1 2 ceiling ...

Страница 25: ... This will help you more accurately direct the cable in the area above the ceiling Standing on a ladder with your head and shoulders in the space next to a speaker toss the weighted end of your twine through the ceiling space into the open tile hole above your receiver Connect the other end of the twine to the speaker cable Pull cable through to the receiver Your goal is to have the cable entirely...

Страница 26: ...ling do not attach them to ductwork plumbing or other secondary work 2 WALL ROUTING If you re routing cables along walls follow these guidelines A Tack cable Starting from your speaker begin securing speaker cable to the wall with professional cable tacks For a neat installation try to keep the cable as close to the ceiling as possible Make your way back toward the receiver Repeat for the other sp...

Страница 27: ... on 3 Turn on the receiver 4 Walk talk and listen to the sound quality find another person to help you with this step It s difficult to assess your own voice 5 Try to find any areas where the receiver is not picking up your signal see Troubleshooting if this happens 6 Try to find any areas where you experience acoustic feedback squealing Turn down the volume in small increments until the feedback ...

Страница 28: ...he receiver will automatically go into an energy saving standby state 2 Charge mic overnight by dropping it into the charger Battery Tip Batteries cause the majority of troubleshooting problems If your system doesn t appear to be working try replacing the batteries with fresh cells first Light Legend Microphone Receiver Green Power On Blinking Green Muted Blinking Red Battery Low When Charging wit...

Страница 29: ...onnect three Connect speaker wires to the terminals as shown below for best power and sound distribution 5301R back ceiling speaker input terminals 2 Appendix B Special ceiling speaker connections Speakers 1 and 2 should be in the larger listening area Note Applies to 8 ohm ceiling speakers only Use of more than two IR speakers is not possible 3 ...

Страница 30: ... g speakers 1 2 then 3 4 separately Be sure to plug one speaker set on right and one speaker set on left side of terminal 5301R back Note Applies to 8 ohm ceiling speakers only Use of more than two IR speakers or more than six ceiling speakers is not possible Constant use of six speakers at very high volume levels is not recommended ...

Страница 31: ...quealing Lower the Microphone A or B Volume control s on the receiver Make sure that speakers are mounted as close as possible to the ceiling and to the listening area avoid mounting speakers in the teacher s primary lecture area Position the microphone closer to mouth Set the gain switch on the pass around microphone to mid or low Reduce treble setting on EQ rear panel Weak or no output from spea...

Страница 32: ...on Qld 4064 Australia freecall 1 800 PHONIC fax 1300 746 642 web www gofrontrow com au Canada FrontRow 6950 Creditview Road Unit 1 Mississauga ON L5N 0A6 toll free 800 340 9894 tel 905 461 5300 fax 905 677 7760 web www gofrontrow com Scandinavia Phonic Ear A S Kongebakken 9 2765 Smørum Denmark tel 45 3917 7101 fax 45 3927 7900 web www gofrontrow com www phonicear com New Zealand Oticon New Zealand...

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