GENASYS LRAD 450XL Equipment Manual Download | Manualshive

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LRAD

450XL

GENASYS INC.

Manual Part No.: 112343-00 Rev. E

33

11.2 Amplifier Output Voltage Test

Figure 23: Amplifier Module

The Amplifier Module has two independent amplifier outputs, each powering one of the drivers

in the Head Unit. It is possible that one or more of the outputs may become degraded or non-

functional. Perform the following steps to check the output from each of the amplifier outputs:

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Summary of Contents for LRAD 450XL

Page 1: ...0XL GENASYS INC LRAD 450XL EQUIPMENT MANUAL 16262 West Bernardo Dr San Diego CA 92127 www genasys com Catalog LRAD 450XL MANUAL CAGE 1K3W7 Part No 112343 00 Rev E Revised Jan 2021 Copyright 2020 Genas...

Page 2: ...odule MP3 Player Overview 14 5 1 Control Module Operation 15 5 1 1 MIC USB Connection 16 5 1 2 Audio Out Connection 17 5 2 Button Functions 17 5 3 LCD Display 18 5 4 Downloading Files 20 5 5 Changing...

Page 3: ...re 3 LRAD 450XL DC Power Cable Termination 7 Figure 4 LRAD 450XL DC Power Cable Pinout 8 Figure 5 Cable Connections 9 Figure 6 Maxabeam Installation 10 Figure 7 Manual Pan Tilt Head Mounting 11 Figure...

Page 4: ...re 27 Driver Connection 37 Figure 28 Driver Removal 38 Figure 29 Application of RTV on Driver 39 List of Tables Table 1 Acoustic Exposure Limits 3 Table 2 Standard LRAD 450XL Parts List 5 Table 3 Cont...

Page 5: ...all in accordance with the instructions contained in this document Do not install near any heat sources such as radiators heat registers stoves or other apparatuses that produce heat Protect the power...

Page 6: ...down range The following range chart is marked to correspond with the Department of Defense s MIL STD 1474D Noise Limits which dictates maximum daily exposure durations for various sound levels Person...

Page 7: ...nnel in the immediate vicinity of the LRAD s position Always scan the surrounding area for nearby personnel prior to activating the LRAD s acoustic output The following diagram Figure 2 shows the rela...

Page 8: ...g OPERATORS SHOULD NOT ATTEMPT TO LISTEN TO THE OUTPUT FROM THE FRONT OF THE DEVICE HEARING DAMAGE MAY RESULT FROM SUCH ACTION The LRAD 450XL sound projection is directional Operators standing behind...

Page 9: ...antly broadcasts a loud piercing alert sound that can be used to gain a target s attention The LRAD 450XL is a DC powered unit that is meant to be powered from a 12 to 28 VDC power source not included...

Page 10: ...EMBLY DC INPUT 4X14 GA 12 FT FUSED SS 5 CABLE ASSEMBLY USB 2 0 DOWNLOAD MP3 D38999 48 IN 6 MICROPHONE RECORDING NOISE CANCELLING ELEMENT METAL BUTTONS SS 7 EAR PLUG FOAM W 0 CORD NRR 33 dB QTY 10 8 HA...

Page 11: ...any of the items are missing or the shipment appears to be damaged in any way please contact your Genasys sales representative for assistance 4 0 Installation Instructions 4 1 Power Input Connection...

Page 12: ...connector of the LRAD Refer to the following pinout for any troubleshooting or repairs Figure 4 LRAD 450XL DC Power Cable Pinout Pinout for Power Input Connector Connector type D38999 26WE6SN Pin A Re...

Page 13: ...e knobs Connect the 90 degree end of the 16 inch remote MP3 cable to the connector on the rear panel of the 450XL Connect the Microphone to the MIC USB connector of the handheld MP3 player control uni...

Page 14: ...Step 1 3 While pulling up on the spring loaded plunger pin insert the mounting feet of the Maxabeam into the four keyhole shaped holes on the mounting bracket and slide it back Lock the spring loaded...

Page 15: ...Item 4 on the bottom of the LRAD head unit 2 With the handle facing the rear of the unit align the holes of the Pan Tilt Head Item 3 with the holes of the Side Support Plate Item 4 and then attach us...

Page 16: ...Medium Duty Tripod 118067 00 sold separately or the Pole Mount 106664 00 also sold separately 4 Adjust the tilt position of the LRAD by loosening the Tilt Friction Adjustment Knob and tilting the uni...

Page 17: ...LRAD 450XL GENASYS INC Manual Part No 112343 00 Rev E 13 4 5 Installing the Optional Pole Mount Kit Sold Separately Figure 8 Pole Mount Kit Installation...

Page 18: ...nd lightweight acoustic device with a fully integrated amplifier module built in It provides mounting locations for the Microphone and Control Module as shown in Figure 9 A green LED will light when t...

Page 19: ...the microphone to the microphone input connection of the Control Module marked MIC USB Turn on the LRAD s amplifiers and the Control Module by turning the Power and Volume Control knob to the right Y...

Page 20: ...C USB connector allows a USB connection to a PC which can be used to download prerecorded audio files onto the Control Module This connection can also be used to update the firmware in the Control Mod...

Page 21: ...t Signal Pin 3 Analog Audio Output Signal Pin 4 DC ground Pin 5 Drain wire Pin 6 Not used Pin 7 Not used Pin 8 12 28 VDC in Pin 9 10 VDC out to relay Pin 10 Sound Projection Switch Pin 11 Voice Boost...

Page 22: ...112343 00 Rev E 18 Table 3 Control Module Button Functions 5 3 LCD Display The LCD display gives status and operating mode information to the user STATUS FILE TYPE REPEAT MODE TIME ELAPSED AUDIO FILE...

Page 23: ...format of the digital media file selected Repeat Mode The character R will be displayed here if the Control Module is in repeat mode In repeat mode the selected file will play to the end and then auto...

Page 24: ...automatically install USB mass storage drivers and will display two new Removable Mass Storage devices in the file management interface The first installed drive will not be accessible as this drive i...

Page 25: ...that is designed to be clearly heard at long distances Genasys Inc recommends using the tone in 2 5 second bursts for maximum effectiveness when hailing a subject Pressing the ALERT TONE button will...

Page 26: ...ese operating systems The PC must be equipped with a windows compatible sound card with speakers and a microphone 6 2 Installing the Software Insert the provided CD ROM into the computer and run the s...

Page 27: ...nce to start recording and again to stop the recording 5 The status section of the screen will indicate whether the system is recording Talk clearly into the microphone and view the Monitor level on t...

Page 28: ...cording was not loud enough c The recording is equalized to remove low frequency content that cannot be reproduced by the LRAD 12 The About tab of the application shows the current software version Th...

Page 29: ...e still some operational conditions that will inevitably cause feedback How to Limit Feedback Adjust the volume Lower the volume level of the LRAD until feedback is negated Avoid reflections If the ou...

Page 30: ...6 Speak your message into the microphone element 5 and release the RECORD and PLAY buttons when done speaking 7 Press and release the PLAY button to initiate playback of the recording The recording pl...

Page 31: ...ontrol Module to a medium setting yellow or green Ensure that the Voice Boost switch is set to OFF and the beam width switch is set to WIDE Select and play the desired audio track on the Control Modul...

Page 32: ...ill affect the LRAD s ability to project clear audio to distances beyond 250 meters Temperature Gradients Temperature gradients can behave like lenses to the acoustic output of the LRAD causing the ac...

Page 33: ...ronments a lubricant may be applied to the connectors to repel water 9 2 Cleaning the Head Unit Grill The Head Unit Grill provides a partial barrier to protect the acoustic drivers in the head unit fr...

Page 34: ...power on again to see if a temporary fault has cleared Remove the Amplifier Module from the head unit and disconnect the Speaker Out cable to the drivers Power up the Amplifier Module again If the fau...

Page 35: ...e amplifier module is powered on and that the volume is set correctly Test both the Control Module and the microphone If one fails and not the other replace the faulty device Perform the Amplifier Out...

Page 36: ...be possible as well Perform the following steps to check the Driver Resistance Remove the Amplifier Module and disconnect the speaker cable from the back of the Head Unit to expose the pins on the con...

Page 37: ...23 Amplifier Module The Amplifier Module has two independent amplifier outputs each powering one of the drivers in the Head Unit It is possible that one or more of the outputs may become degraded or...

Page 38: ...Using a true RMS voltmeter measure the AC voltage on pins 1 and 2 and 6 and 7 Each pair should measure approximately 23VRMS 1 If any of the pin pairs measures low the Amplifier Module will need to be...

Page 39: ...LRAD 450XL GENASYS INC Manual Part No 112343 00 Rev E 35 The figure below shows the contents of the Driver Replacement Kit Figure 25 Replacement Driver Kit...

Page 40: ...XL GENASYS INC Manual Part No 112343 00 Rev E 36 Figure 26 Front Screen Removal To access the Drivers in the Head Unit first remove the front screen by removing the hardware around the perimeter of th...

Page 41: ...ver Connection Remove the six screws from the Driver cap and pry the cap off with a flathead screwdriver or similar tool to break the silicone RTV seal A replacement cap is provided with the spare Dri...

Page 42: ...ut of the unit Remove the plastic backing from the new thermal pad before replacing it Reinstall the new driver and thermal pad making sure that the cable exit hole on the driver cap lines up with the...

Page 43: ...RTV on Driver After connecting the internal driver connector perform the Driver Resistance Test to ensure that the connector has made good contact prior to sealing the Driver Cap Apply RTV liberally t...

Page 44: ...ctronic product the LRAD should be protected from excess heat and moisture during storage When not in operation the LRAD Head Unit should remain covered The Amplifier Module should remain closed keepi...

Page 45: ...by 10 Watts average Normal Power Consumption for Voice Broadcasts 55 Watts average Normal Power Consumption for Alert Tone 330 Watts Power Input 12 28 VDC Electrical Compatibility FCC Part 15 Class A...

Page 46: ...INC Manual Part No 112343 00 Rev E 42 16 0 Technical Support Contact information for help and technical support is listed below Genasys Inc 16262 West Bernardo Dr San Diego CA 92127 858 676 0574 Tech...

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