TeachLogic IMA-520, Installation Manual

Page 1: ...Classroom Audio System Amplifier Mixer Receiver Installation Manual Maxim III ...

Page 2: ...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 dealer support This manual will help you learn to use and gain the maximum benefit of the Maxim III system We hope you will take the time to review this manual to ...

Page 3: ...uld 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 Internal Service User should not attempt to service this product All internal service must be accomplished by a qualified technician Electric Shock Do not adapt or modify the AC power plug Do not remove thus lifting...

Page 4: ...l Number Notes 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 ...

Page 5: ...7 Installation Planning 7 Installation of Ceiling Sensor 8 Installation of Speakers 9 Integration 10 Page Mute Pass Through Integration 10 11 Fire Alarm Input 12 RS 232 Feature 13 Security Alert Feature 14 15 Configuration 16 Final Setup 16 Trouble Shooting 17 System Specifications 18 19 ...

Page 6: ...Control 12 Lesson Capture Output Port 3 5 mm Back of IMA 520 receiver amplifier 1 Speaker Output 2 Fire Alarm Mute Input 3 Page Input 4 Page Sensitivity Control 5 Page Input Impedance Selector 6 ALS Output 3 5 mm Gain Control 7 Five Band Digital Equalizer 8 RS 232 Input OFF ON Switch 9 Security Alert Interface 10 Aux Mic Input 3 5 mm Aux Mic Input Selector 11 Computer Input 3 5 mm Computer Anti Hu...

Page 7: ...Maxim III Installation 7 ...

Page 8: ... sight keep away from direct light and electrical interference 3 Speakers Mark location for wall mount vs ceiling mount and confirm wiring run to the amplifier Ensure speakers evenly cover the listening area 4 Integrations Connections Confirm location of other systems you plan to connect to the amplifier such as audio devices intercom connections fire alarm noting how the wiring needs to run 5 Mic...

Page 9: ... drop down style This will ensure 360º coverage and will minimize the transmission distance for more reliable performance Installation 1 Attach to T bar tail Installation 2 Concrete or Drywall Surface Installation 3 Wood Surface FINAL STEP Route sensor cable to amplifier and plug into one of the amplifier s two sensor inputs An illuminated green LED will indicate that the sensor is receiving power...

Page 10: ...provides connection to both channels as does the bottom connector Each is wired in parallel to the other as shown below These are the acceptable wiring methods For speaker installation instructions please refer to the installation manual included in the speaker packaging ADVISORY The speaker terminals A1 and A2 are internally wired in parallel DO NOT connect more than two 8 ohm speakers to either ...

Page 11: ...cted to the Maxim III The panel labeling is based on a 25 volt paging input signal The Page Input impedance selector has three labeled switch positions based on power draw at 25 V 0 1 W DRAW 5000 Ω impedance 1 0 W DRAW 620 Ω impedance MUTE OFF MUTE OFF disconnects the page input from the Maxim III The other two settings select transformer taps inside the Maxim III for the speakers connected to the...

Page 12: ...ed ON send a page to test the mute function 7 Adjust the sensitivity control to ensure the Maxim III senses the page signal noting that some pages with quiet voices will require greater sensitivity settings The system will maintain its mute until about 11 seconds after the page signal falls below the threshold for sensing Thereupon the wireless mics are unmuted and other audio levels are ramped up...

Page 13: ... DVD etc will MUTE In the event of a fire this will help to lower the overall decibel levels and help students and staff hear the audible fire alarm tones instruction within the classroom This feature requires a contact closure from the Fire Alarm Panel and the TeachLogic terminal is for a normally open connection When there is continuity between the terminals closed condition muting will occur an...

Page 14: ...he teachlogic com resources page under Application Notes or directly at https TeachLogic com TeachLogic app notes rs 232 control Audio levels very often need to be adjusted when switching from computer audio to DVD players and other audio sources Such operations as level UP DOWN and MUTE are easily accomplished via a typical eight button controller Shown here is a Cables To Go controller Connectin...

Page 15: ...e Maxim III s selected mode Ordinarily the Maxim III will arrive new with the 4 pulse mode selected by default Installers should nevertheless confirm the mode upon installation if the security alert feature will be employed Once set the mode is active and should remain set until such time as it is manually changed as detailed below The output on the amplifier is a three pin COM N O N C contact clo...

Page 16: ...ld 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 in Using the previous process check the mode to confirm that the M...

Page 17: ...oid interference Watch the how to video on teachlogic com resources Note Next steps are best 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 acceptable level and unti...

Page 18: ...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 or Power output to sensor has failed Sensor or amplifier may need to be replaced Voice is distorted and or signal d...

Page 19: ...input 1 aux input switchable to mic input Line Output Lesson Capture 3 5 mm with gain control front panel ALS 3 5 mm with gain control rear panel Page Input 2 pin Phoenix 25 V or 70 V normal Page Input Sensitivity 3 6 V min Security Alert Contact closure COM N O N C Fire Alarm Contact closure by fire panel mutes audio Amplifier Output Power 50 W RMS 2 x 25 W channels Output Impedance 4 Ω minimum E...

Page 20: ...n Off Press Hold Mute Switch On Off Momentary Press blinks when muted Addt l Mic Gain Control Normal 3dB 6dB 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 Freque...

Page 21: ...P N UMM 500 20200903 541 E Main St Longmont CO 80501 teachlogic com support teachlogic com 760 631 7800 ...