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Contents

System

Overview ........................................................................................................................ 5

System Diagram ......................................................................................................................... 6

Installation ................................................................................................................................. 7

Installation Planning .................................................................................................................... 7

Connection of Speakers ...........................................................................................................8-9

Installation of Ceiling Sensor ..................................................................................................... 10

Integration ............................................................................................................................... 11

Page Mute/Pass Through Integration ................................................................................... 11-12

RS-232 Feature ........................................................................................................................ 13

Security Alert Feature .......................................................................................................... 14-15

Configuration .......................................................................................................................... 16

Final Setup ................................................................................................................................ 16

Power Button Lights | Standby Function .................................................................................... 17

Troubleshooting ........................................................................................................................ 18

System Specifications .......................................................................................................... 19-20

Содержание Matrix IMA-121

Страница 1: ...Matrix IMA 121 Classroom Audio System Installation Manual ...

Страница 2: ...ology and uses only premium quality components to assure many years of reliable performance We appreciate your confidence by your selection of our product It is TeachLogic s intent to uphold that confidence by providing factory assistance and reseller support This manual will help you learn to use and gain the maximum benefit of the system We hope you will take the time to review this manual to fa...

Страница 3: ... are free of materials harmful to the environment They conform to European RoHS guidelines for consumer products Power Cord Caution Power cable should be routed clear of foot traffic and supported clear of kinking or abrasion Object Protection Locate the operating unit so it will not be subjected to falling objects or water entry Do not drill hole in or screw objects into the product except as spe...

Страница 4: ...es Contact If you should encounter an unresolved issue please contact the TeachLogic customer service department for further assistance 760 631 7800 support teachtogic com teachlogic com Limited warranty For full warranty details refer to teachlogic com warranty ...

Страница 5: ...7 Connection of Speakers 8 9 Installation of Ceiling Sensor 10 Integration 11 Page Mute Pass Through Integration 11 12 RS 232 Feature 13 Security Alert Feature 14 15 Configuration 16 Final Setup 16 Power Button Lights Standby Function 17 Troubleshooting 18 System Specifications 19 20 ...

Страница 6: ...Volume Control 9 Line 1 Volume Control 10 Line 2 Volume Control 11 Line Out Volume Control 12 Line 1 Input 3 5mm 13 Line 2 Input 3 5mm 14 Line Output 3 5mm 15 Power Input 19 VDC 3 4A 16 RJ 45 Control Panel Jack 17 RS 232 Switch Off On 18 UPGRADE input Micro USB 19 Two Sensor Inputs RCA 20 Security Alert Com N O N C 21 Impedance selector 25V 70V 100V 22 Page Mute Input 2 pin Phoenix 23 Speaker Outp...

Страница 7: ...Matrix System Diagram 6 www teachlogic com support teachlogic com 760 631 7800 ...

Страница 8: ...g Sensor Locate in the center of the ceiling maintain line of sight to teacher locations keep away from direct sunlight and electrical interference 4 Speakers The Matrix can power 4 classroom speakers Mark location for wall mount vs ceiling mount and confirm wiring run to the amplifier Ensure speakers evenly cover the listening area 5 Integrations Connections Confirm location of other systems you ...

Страница 9: ...han 4 speakers space the next row s accordingly Ceiling Speakers Locate and identify the center most tile in each quadrant Wall Speakers First observe the shape of the room ceiling height door locations windows mounting surface and seating area Ordinary installation would be to locate the speakers on each side wall beginning at the front row of listeners at least 6 feet above the floor ...

Страница 10: ...onnection of speakers The IMA 121 has two channels of amplified audio rated for a minimum 4 ohm speaker load two 8 ohm speakers each connected in parallel provide 4 ohms impedance There is one blue phoenix style speaker connector on the back panel providing two pairs of speaker terminals ...

Страница 11: ... reliable performance For additional coverage or in large rooms a second IR sensor may be placed on ceiling or a wall and connected to the second sensor input As many as three sensors may be powered by the amplifier use a wye adapter for two of them to connect to one input The max cable length is 100 ft Installation 1 Attach to T bar rail Installation 2 Concrete or Drywall Surface Installation 3 W...

Страница 12: ...its speakers to the 2 pin Phoenix connector of the Page input 3 Reconnect the 2 pin green Phoenix connector 4 Determine the signal level of the paging system 25V 70V or 100V 5 Set the slide switch to the appropriate page speaker level setting 6 With the amplifier turned ON send a page to test the mute function 7 Adjust the sensitivity control to ensure the amplifier senses the page signal noting t...

Страница 13: ...sses an audio paging signal through the amplifier and to the connected loudspeakers Note that you may use the classroom audio system speakers in addition to or in lieu of dedicated paging speaker IMPORTANT The system does not pass through paging audio signal to the speakers when the amplifier is powered off or no power is available ...

Страница 14: ...nel controller or other device The third party RS 232 device is connected via three wires to the back panel connector shown to the right TX Gnd RX This allows the receiver amplifier to be placed in an area or compartment that is not easily accessed by the user Codes that are required for this setup are available on the teachlogic com resources page under Application Notes or directly at https Teac...

Страница 15: ...terface an electric relay The relay contacts opens or close depending on the normal status to pass the signal through the paging system as if the paging system s wall mounted button was being pressed The amplifier functions normally during the alert e g there is no change to audio input output volume change nor does the system produce any sound Testing the Security Alert function To test security ...

Страница 16: ...red flashes that follow one green flash 4 Release the power button To change the mode Whether mode is 1 pulse or 4 pulse the steps below will change it to the other mode 1 If power state is ON Blue LED at power button press once to set power state OFF Red LED If Red then you may start the mode switching process 2 Locate the RS 232 on off switch on the back panel 3 Press and hold the front panel po...

Страница 17: ... Locate the RS 232 on off switch on the back panel 3 Press and hold the front panel power button in Red state for the duration of the mode switching process Figure 3 below 4 Move the RS 232 switch from ON to OFF and back again FIVE times Then release the front panel power button Figure 4 below The process requires 5 full cycles of the RS 232 switch while the power button in Red OFF state is held i...

Страница 18: ...e same room one must be changed to channel B to avoid interference Watch the how to video Note Next steps should be performed with a second person as the listener Stand under or in front of a speaker Hold the microphone with the top at your collarbone and observe the speaker volume in the room by speaking in a natural voice Raise the volume on Ch A until feedback begins then reduce volume to an ac...

Страница 19: ...and off Green Flashing Security Alert activated System Standby Function Standby Mode is a feature that reduces power consumption after the amplifier has not been used to amplify audio signal for a period of two hours After entering the automatic standby mode the amplifier displays an amber light at power button Normal ON mode may be resumed by 1 speaking into a microphone that is on 2 sending an a...

Страница 20: ... on mic indicates it is muted Ensure gain volume control knob on amplifier receiver is turned up to mid scale 12 o clock position On amplifier receiver ensure a green LED is illuminated just below Ch A or Ch B knob depending on the microphone used If no LED is illuminated Check the green LED on the ceiling sensor If sensor LED is not lit Sensor has been disconnected check cable plug ends or Power ...

Страница 21: ...ith 10dB Gain Control 3 5mm Line Output One 3 5mm Line Level output with Gain Control Page Over Ride Input 100v 70v 25v 2pin Phoenix Sensitivity Level Control Security Alert Contact Closure COM N O N C Equalization Bass Treble Control 12 dB Output Power Two digital Amplifiers 25 watts ea 50 Watts total RMS Output Impedance 4Ω min per channel Output Connection One Phoenix Connector Power Supply 19 ...

Страница 22: ... Off Press Hold Mute Switch On Off Momentary Press blinks when muted Addt l Mic Gain Control Normal 3 dB 6 dB Audio Source Vol Gain Increase Decrease Channel Select A or B in battery compartment External Mic Aux Input 3 5 mm Line Level Dimensions H x W x D 3 5 x 1 25 x 0 75 Weight 1 4 oz including battery Handheld IRT 35 microphone transmitter specs Transmission Carrier Infrared Transmission Frequ...

Страница 23: ...P N UMM 121 20220323 541 Main St Suite B Longmont CO 80501 TeachLogic com Support TeachLogic com 760 631 7800 ...

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