User Manual - Listen Technologies
Contents
1. My battery is not charging Verify the clear plastic pull tab has been removed from the receiver battery door engaging the battery connections Make sure the battery is installed properly and that the unit is plugged into the charging device correctly Check the charging device to verify it is plugged in the proper power outlet and power is available at the outlet If this does not work install a replacement battery want to run the unit from a wall transformer Simply plug a Listen approved charging transformer LA 421 into the Micro USB connector on the side of the unit A battery must be installed at all times even when operating the unit with a wall charging transformer LR 4200 IR IDSP RECEIVER MANUAL PAGE 16 LISTEM TECHNOLOGIES Compliance Notice and FCC Statement and Industry Canada Statements Compliance Notice This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 These devices may not cause harmful interference and 2 these devices must accept any interference received including interference that may cause undesirable operation FCC Statement This equipment has been tested and found to comply with the limits for a class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and i2. 0 x 2 1 cm 1 9 oz 53 9 g 2 8 oz 79 4 9 3 5 oz 99 2 g with a 1 Ibs 0 45 kg minimum Flat Black Environmental Temperature Operation Temperature Storage Relative Humidity 14 to 104 F 10 to 40 C 4 to 122 F 20 to 50 C 0 to 95 relative humidity non condensing Compliance Standards FCC Part 15 ICS 03 CE ROHS WEEE PAGE 5 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES Safety Cautions Hearing Safety This product is designed to amplify audio to a high volume level which could potentially cause hear ing damage if used improperly To protect your hearing make sure the volume is turned down before putting on the ear speaker or headphones Then adjust the volume up to the minimum setting require to hear clearly Do not allow children or other unauthorized individuals to have access to this product without supervision Medical Device Safety Before using this Listen product with an implantable or other medical device consult your physician or manufacturer of your implantable or other medical device Always make sure you are using this prod uct in accordance with the safety guidelines established by your physician or the implantable device manufacturer Recycling Help Listen Technologies protect the environment Please take the time to dispose of your equipment properly Ov Product Recycling Instructions ZA Please do NOT dispose of your Listen T
3. battery status unit ID channel status volume status and charge activation Micro USB USB charging programming firmware updates and inventory dispensing Up Down Volume Control Press momentarily to adjust the volume up down or press and hold to ramp the volume Note Press and hold both up and down buttons for 5 seconds to activate channel select use up and down to change the channel Momentarily press the power button to save and exit 4 3 5 mm Output Jacks 7 Power On Off 8 LED 5 Belt Clip 9 Battery Protective Pull Tab 6 Charging Contact 10 Battery Door 3 5 mm Output Jacks Connect Listen Earohone Neck Loop Lanyard for use with T coil hearing aids or with Universal Ear Soeaker or Headphone Belt Clip To remove remove screw and pull belt clip from unit To install place belt clip in place and insert screw Charging Contact For use with Listen charging tray options Power On Off Press and hold for 1 second to turn on Press and hold for 3 seconds to turn off LED Indicates low battery condition and charging status Battery Protective Pull Tab Remove clear plastic pull tab to activate internal battery connections 10 Battery Door Can be removed to access battery and product labeling information LR 4200 IR IDSP RECEIVER MANUAL PAGE 4 LISTE alrite f r LR 4200 Specifications Product Specification LR 4200 Dimensions with Belt Clip Unit Weight Unit Weight with Battery Sh
4. receiver has been programmed to receive i e CH 1 Customization of this display can be created to better identify the type of audio for example CH 1 could be changed to display Spanish if the receiver is used for language translation PAGE 13 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES Auto Power Mode The auto power mode will automatically power the receiver on when the unit is removed from the charging device displaying the unit ID battery status and the active channel When the unit is returned to the charging device the unit will automatically turn off and resume charging operation Your Listen receiver has been shipped to you with the Auto Power Mode enabled Auto OFF Mode The Auto OFF Mode when enabled will automatically turn the receiver off after a period of time if no IR signal is detected by the receiver There are four setting OFF 10 15 and 30 minutes Your Listen receiver has been shipped to you with the Auto OFF Mode enable to 30 minutes Unit ID The unit ID number provides a unique identification for each receiver that is displayed on the OLED status screen This can be any 3 digit number between 000 and 999 The unit ID allows venues to track individual units and for easy dispensing and inventory control Your Listen receiver has been shipped to you with a Unit ID of 000 Brightness Control The Brightness Control adjusts the level of brightness of the OLED display There are four settings
5. status LED next to the power button will begin to flash indicating that the unit is charging OLED Display Status LED Charging Icon when first connected to a charging source Flashes during charging Solid when charge is complete Indicated Unit Charge and Channel Assignment when BELA removed for charging When the unit reaches 100 charged the status LED next to the power button will stop flashing and will be solid PAGE 7 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES 4 Connect Ear Phone Using The Ear Phone Neck Loop Lanyard Connect the Listen Intelligent ear phone neck loop lanyard to the two 3 5 mm output jacks on the unit Then connect the short cable ear speaker or headphones to the 3 5mm output jack on the lanyard The lanyard neck loop is placed over the head and worn as a necklace Ear Phone Neck Loop Lanyard This is the preferred method of wearing the receiver for best performance For T coil compatible hearing aid use simply disconnect the ear speaker or headset from the ear phone neck loop lanyard Important Always wear the receiver in such a way that there is nothing covering the receiver if covered or obstructed the receiver will have poor range and performance Earbuds w Using The 3 5mm Earphone Extension Cable If the receiver is to be clipped to a belt or waistband a long extension cable is used Connect the extension cable to the ear speak
6. Auto Bright Dim and Disabled In the Auto mode the unit uses an internal light sensor and automatically dims the display when the light level is below approximately 10 Lux In the Bright Dim or Disabled mode the unit disables the light sensor and leaves the OLED in the selected Bright or Dim state In the disabled mode the unit disables the display from lighting during normal operation except for the power on sequence or when the power button is momentarily pressed to check status The receiver is shipped with the Auto Brightness Control Mode enabled Auto Seek Mode When Auto Seek Mode is enabled the receiver will bower up to the same channel that it was on when it was last turned off If no signal is present or the signal is lost on that channel the receiver will continuously seek for a channel with IR signal until one is found Auto seek is excellent for applications where users are moving from room to room or exhibit to exhibit Auto Seek Mode has two settings ON and OFF Your Listen receiver has been shipped to you in the Auto Seek OFF Mode Jack Sense The jack sense mode when enabled will automatically turn the receiver on when a headset is inserted into the 3 5 mm output jack on the receiver The receiver will automatically turn off after 60 seconds when the headset is removed from the 3 5 mm output jack Your listen receiver has been shipped to you with the Jack Sense Mode disabled Note If Jack Sense is on and Auto Power is on the rece
7. LR 4200 IR iDSP Receiver LISTEM Vie In IN OIL GE Ie 2015 Listen Technologies Corporation All Rights Reserved For further details regarding use adjustment or programming of your Listen Technologies products visit our website at www listentech com support manuals or contact us at 1 801 233 8992 or 1 800 330 0891 LISTEM TECHN OTCTOGIES Dear Valued Customer Thank you for choosing Listen We are dedicated to providing you with the highest quality products available and take pride in delivering outstanding performance to ensure you are completely satisfied We independently certify each of our products to the highest quality standards and back them with a limited lifetime guarantee We are available to answer any questions you might have during installation or in the operation of our products At Listen it s all about you should you have any comments or suggestions we re here to listen Here s how to reach us 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 fax support listentech com www listentech com Thank you and enjoy your listening experience Best regards Russell Gentner and the Listen Team In the few instances where repairs were needed 99 of all clients indicated that they were happy with repair turn around times and 85 of the time clients were without their product for less than 10 days Overall client satisfaction of working with Listen was rated 4 8 out of 5 Please con
8. OGIES Contacting Listen If technical service is needed please contact Listen Pre authorization is required before returning Listen products If products were damaged in shipment please contact the carrier then contact Listen for replacement or repair requirements payable by the carrier Listen s corporate headquarters are located in Bluffdale Utah U S A and are open Monday through Friday 8am to 59m Mountain Time 14912 Heritagecrest Way Bluffdale Utah 84065 4818 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 fax support listentech com www listentech com 20150329 PAGE 19 LR 4200 IR IDSP RECEIVER MANUAL
9. ceivers The LR 4200 is a powerful Assistive Listening Receiver designed to be compact and simple to use The unique design of the iDSP receiver family allows them to be worn as a necklace making this the most inconspicuous ALS receiver on the market Headset Earbuds Hearing Aid T Coil Ear Phone Neck Loop Lanyard Belt Clip x A ZEN C___ Se Extension Cable LISTEN Each receiver can be purchased with Ear Phone Neck Loop Lanyard that is designed to hold the receiver like a necklace similar to the Blue Tooth transceivers used with many of the today s hearing aids The Ear Phone Neck Loop Lanyard can be used as the induction loop for those users who have T coil enabled hearing aids or cochlear implants inducing the received audio directly into these T coil enabled devices The Ear Phone Neck Loop Lanyard also provides the connection to Listen s Universal Ear Speaker Earphones and Headphones incorporating a short connection cable that plugs directly into the Ear Phone Neck Loop Lanyard s 3 5mm headset jack located 2 3 of the way up the lanyard A second 3 5mm extension cable provided with Listen s universal earphones provides the length of cable required to use the belt clip PAGE 3 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES LR 4200 Quick Reference 6 7 8 9 1 OLED Display Area 3 Up Down Volume Control 2 Micro USB LISTEM OLED Display Area Displays
10. echnologies equipment in the household trash 49 Please take the equipment to an electronics recycling center OR return the product to the factory for proper disposal Battery Recycling Instructions Please do NOT dispose of batteries in the household trash Please take the batteries to a retail or community collection point for recycling LR 4200 IR IDSP RECEIVER MANUAL PAGE 6 LISTEM TECHNOLOGIES Quick Setup and Operation Instructions 1 Unpack Unit Inspect the unit for physical damage If damage is apparent please contact Listen Technologies technical support for assistance 2 Activate Battery Remove the clear plastic pull tab located at the bottom of the battery door this will activate the internal battery connections Note upon first activation the battery will have a limited charge we recommend the unit be charged immediately Pull the tab to activate the internal battery 3 Charge Battery Fully charge the rechargeable Lithium lon battery by connecting the unit to one of Listen Technologies charging options a LA 380 Intelligent 12 Unit Charging Carrying Case b LA 381 Intelligent 12 Unit Charging Tray c LA 421 1 Port USB Charger comes with cable d LA 423 4 Port USB Charger comes with 4 cables e LA 422 USB to Micro USB cable Connects iDSP receiver to any standard USB port When connected to a charging option the OLED status display will show the battery charge Icon momentarily and the
11. er headset or earphones then connect the extension cable into one of the 3 5 mm output jacks on top of the receiver Ear Speaker Extension Cable Earbuds LISTENZ LR 4200 IR IDSP RECEIVER MANUAL PAGE 8 LISTEM TECHNOLOGIES 5 Turn the Unit On Press and hold the Power Button for 1 second to turn the receiver on the unit display will show the unit ID battery status and the current channel Each item will be disolayed and then the display will turn off OLED Display Power Button Indicates Unit Press and hold for Charge 1 second to turn and Channel on press and hold Assignment for 3 seconds to when power turn off button is pressed LISTEM To view the unit ID battery status or channel while the unit is powered momentarily press the power button To turn the receiver off press and hold the power button for 3 seconds 6 Channel Select Mode The LR 4200 IR receiver operates on 4 wideband channels Channel 1 2 3 MHz Channel 2 2 8 MHz Channel 3 3 3 MHz and Channel 4 3 8 MHz The Listen receiver is pre programmed to operate on channel 1 from the factory To receive audio the transmitter Radiator needs to be broadcasting on Channel 1 or the receiver channel needs to be reprogrammed to the channel being broadcast To adjust the receiver to a different listening channel press and hold the volume up and down buttons simultaneously for 5 seconds The current channel will begin to
12. evel LR 4200 IR IDSP RECEIVER MANUAL PAGE 10 LISTEM TECHN OTCTOGIES Battery amp Belt Clip Low Battery Indication When the unit detects a low battery condition it will cause the status LED to flash slowly indicating that the unit needs to be charged When the light begins to flash the unit has approximately 30 minutes of receiver use before the unit will turn off Press and release the power button and the battery charge will be disolayed on the OLED screen temporarily OLED Display Press the Power button to get Status LED the status of Begins to flash the battery when receiver charge life has less than an estimated 30 minute use left on the charge OLED Indicates a of charge BELAYA Belt Clip Installation Removal To remove belt clip remove screw and pull belt clip from unit To install place belt clip in place and insert screw Belt Clip Screw PAGE 11 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES Accessing Battery Compartment To access the battery compartment simply remove the belt clip and by pulling down and out on the battery door locking tab Note The product labeling information can be found behind the battery and includes the product model number description serial number contact information and compli ance statement Door locking tab Battery door Reset to Factory Default Settings The unit can be returned to its factory defau
13. f not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help This equipment has been certified to comply with the limits for a class B computing device pursuant to FCC and IC Rules In order to maintain compliance with FCC and IC regulations shielded cables must be used with this equipment Operation with non approved equipment or unshielded cables is likely to result in interference to radio and TV reception The user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could void the user s authority to operate this equipment Indusiry Canada Statement This equipment complies with ICES 003 class B CAN ICES 3 B NMB 3 B PAGE 17 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES Warranty Listen Technologies Co
14. flash on the display Use the volume up or down button to scroll through the 3 Save Exit available channels Once the 1 Channel Press power button desired channel is located to save and exit f Select Mode mometarily press the power button to save and exit the Press and hold channel select mode or if no the up and 2 Scroll Up Down button is pressed for 5 seconds down button Use the up or then the selected channel will simultaneously down button to be saved and the unit will exit for 5 seconds scroll through the channel select mode LISTEM available channels Note The channel can also be changed via the iDSP Software Suite see page 13 PAGE 9 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES 7 Adjust Volume Adjust the listening volume to a comfortable listening level via the volume up down buttons M v OLED Indicates the level in a of maximum level Volume Up Down Use the volume up or down to raise lower volume BELLA If the volume is adjusted while there is no audio present the unit will output a momentary tone each time the button is pressed allowing the user to gauge and adjust the audio level to a comfortable listening level The volume level will be displayed for 3 seconds and then the display will turn off Note To protect the users hearing at power up the receiver will automatically reset to a 25 volume level Put on a headset and then adjust the volume to a comfortable listening l
15. ipping Weight Color Audio System Frequency Response 63 Hz 15 kHz 3 CB System Signal to Noise Ratio Mono gt 60 GB Stereo gt 52 dB System Distortion lt 2 total harmonic distortion THD at 80 deviation Output s Two 2 3 5 mm 0 14 in connectors unbalanced 0 dBu nominal output level 16 mW maximum impedance 32 ohm accepts mono or stereo phone plug Controls User Controls Power up down volume Set up Controls Press and hold up down volume buttons for 5 seconds to enter channel adjust use up down to select channel Programming Via software and USB port Indicators LED Flashes when batteries are low or to indicate charging solid when fully charged Display Channel designation battery level unit number charging status volume status RF Carrier Frequencies 2 3 MHz 2 8 MHz 3 3 MHz 3 8 MHz Number of Channels Four 4 selectable channels Frequency Accuracy 005 stability 32 to 122 F 0 to 50 C Modulation FM Wideband 50 kHz deviation Max 50 uS de emphasis IR Squelch Programmable in 20 steps automatic on loss of signal Power Save Mode Turns unit off after a specified time of no IR signal default is 30 minutes Sensitivity Better than one 1 nW cm2 40 dB SNR Power Battery Type Lithium lon Battery Life 8 Hours of typical use Battery Charging Time Fully charged in 2 5 Hours Power Supply Micro USB connector 5 V 500 mA Physical Dimensions H x W x D 3 75 x 2 0 x 0 64 in 9 6 x 5 0 x 1 7 cm 3 75 x 2 0 x 0 80 in 9 6 x 5
16. iver will ignore jack sense while on the charger LR 4200 IR IDSP RECEIVER MANUAL PAGE 14 LISTEM TECHNOTOGIES Stereo Mode When Stereo Mode is enabled the receiver can receive and output a stereo signal to the connected headphones This feature can only be used in conjunction with the ListenIR LT 82 LA 140 system In order for this feature to function properly the stereo mode must be enabled on both the receiver and the LT 82 Transmitter Stereo mode has two settings ON and OFF Your Listen receiver has been shipped to you in the Stereo OFF Mode Unit Information When a unit is connected to the configuration software the software extracts specific information from the unit and displays it for the user This information includes the model number frequency Serial Number and Firmware Version Reset to Factory Defaults The unit can be returned to the factory default settings Note When resetting the unit to factory default via the software the unit ID is not reset Firmware Update The firmware update function will check via the internet to see if a firmware update is available for the receiver Note Battery level must be greater than 10 to perform a firmware update PAGE 15 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES Troubleshooting LR 4200 Receivers The receiver has no power Make sure the unit has either a fully charged battery or a Listen approved wall charging transformer is connected Make sure the P
17. lt settings at any time by the following steps 1 Turn the unit off 2 Press and hold down the volume down button while pressing and holding the power button for 1 second to turn the unit on 3 Continue to hold down the volume down button while the unit powers on The OLED display will show the Unit Charge Level Channel Selection and end with Reset 4 Release the volume down button when Reset is displayed on the OLED display 5 Press the power button to confirm default is desired Once pressed the unit will display Defaulted on the OLED display The unit has now returned to the factory default state 6 If 5 seconds lapses before the power button is the pressed the unit will time out and the unit will not reset to the factory default settings LR 4200 IR IDSP RECEIVER MANUAL PAGE 12 LISTEM TECHNOLOGIES Advanced Program Features and Listen s iDSP Software Suite To manage the advanced program features on any of the iDSP receivers a windows based User Interface UI software is required s a ES This software is available free of charge LISTENZ from Listen Technologies To download the software log onto http www listentech com vescons support software idsp software suite and cm p follow the instructions aaa Modet 18 200 Seriat B1SA19A0029 USB CONNECTED With the UI software direct communication is provided via the Micro USB connection Ojas a 3a on the receiver Once c
18. onnected the UI Restore Settings software provides setup and adjustment of i fa rol es the following functions of the LR 4200 receiver Note A help file for the UI software is included with the download and will provide detailed instructions for set up and management of all the advanced program features of the LR 4200 receiver Squelch The purpose of squelch is to mute the audio output of the receiver when the signal from the radiator s is turned off or the level is too weak to be received Without squelch radio noise will be heard in the earphone The squelch on the receiver can be adjusted to mute the audio at different signal strengths There are 20 squelch settings The lowest squelch setting no squelch is O and the tightest squelch setting is 20 Your Listen receiver has been shipped to you with the squelch setting of 3 When to Adjust Squelch Setting For maximum range the squelch setting should be set to a low level 0 1 or 2 However when setting the squelch level low radio noise will be heard in the earphone when the signal strength is low If no radio noise is desired to be heard when the signal strength is low then set the squelch set ting to a higher number When setting the squelch higher than 3 the receiver will have reduced range due to the audio being cut off when the signal is low Channel Labels The channel labels are displayed on the OLED status screen The default is the channel number the
19. ower button on the top of the unit has been pressed to turn the unit ON If this does not work make sure the battery is installed properly and or install a replacement battery There is no audio Make sure the volume control is turned up to at least 25 Check the Intelligent Earohone Neck Loop Lanyard to insure it s plugged in all the way Make sure the Ear Phone is plugged into the Earohone Neck Loop Lanyard Check to insure the transmitter radiator s is broadcasting an audio source Verify the receiv er is tuned to the same channel frequency as the transmitter radiator s If the IR signal is too weak the receiver will squelch and mute the audio source move closer to the transmitter radiator s or add more radiators to provide more range and freedom of movement The audio is distorted Check the receiver is on the correct channel frequency Verify that the audio on the transmitter is not turned up too loud this will cause distortion Insure the Intelligent Ear Phone Neck Loop Lanyard connectors are pushed all the way into the jacks on top of the unit Check the Ear Phone to verify it is plugged all the way into the Ear Phone Neck Loop Lanyard Make sure the receiver is not too close to the transmitter radiator cannot pick up the signal on the receiver Check to make sure the receiver and the transmitter are on the same exact channel frequency Verify the receiver is in broadcast range of the transmitter radiator s by moving closer
20. red because of misuse or if the product has been repaired or modified by anyone other than a factory authorized service technician Warranty does not cover normal wear and tear on the product or any other physical damage unless the damage was the result of a manufacturing defect Listen is not liable for consequential damages due to any failure of equipment to perform as intended Listen shall bear no responsibility or obligation with respect to the manner of use of any equipment sold by it Listen specifically disclaims and negates any warranty of merchantability or fitness of use of such equipment including without limitation any warranty that the use of such equipment for any purpose will comply with applicable laws and regulations The terms of the warranty are governed by the laws of the state of Utah In the first ninety days after purchase any defective product will be replaced with a new unit After ninety days Listen will at its own discretion either repair or replace transmitters and receivers with a new unit or a unit of similar type and condition Product that is not covered under warranty shall be repaired or replaced with a unit of similar type and condition based on a flat fee Contact Listen for details This limited warranty prices and the specifications of products are subject to change without notice http www listentech com support product registration LR 4200 IR IDSP RECEIVER MANUAL PAGE 18 LISTEM TECHNOL
21. rporation Listen warrants its transmitters and receivers LT 82 LT 700 LT 800 LT 803 LR 100 LR 42 LR 44 LR 200 LR 300 LR 400 LR 500 LR 4200 LR 5200 to be free from defects in workmanship and material under normal use and conditions for the useful lifetime of the product from date of purchase Listen warrants it s Listen IR Radiators LA 140 LT 84 LA 141 to be free from defects in workmanship and material under normal use and conditions for three years from the date of purchase Listen warrants its Digital IR products T8 T16 RAD25 R8 R32 to be free from defects in workmanship and material under normal use and conditions for two years from the date of purchase Listen warrants its Noise Canceling Microphone LA 270 to be free from defects in workmanship and material under normal use and conditions for one year from date of purchase Listen warrants it s Charging Carrying Cases LA 306 LA 311 LA 313 LA 317 LA 318 LA 319 LA 320 LA 321 LA 322 LA 323 LA 324 LA 325 LA 380 LA 381 to be free from defects in workmanship and material under normal use and conditions for one year from date of purchase All other products and accessories are warranted for 90 days from date of purchase This warranty is only available to the original end purchaser of the product and cannot be transferred Warranty is only valid if warranty card has been returned within 90 days of purchase This warranty is void if damage occur
22. tinue with your excellent attitude toward customer satisfaction You guys are great I ve never had such good service from any company Keep up the good work You stand behind your product wonderfully PAGE 1 LR 4200 IR IDSP RECEIVER MANUAL LISTEM TECHNOLOGIES TABLE OF CONTENTS iDSP IR Receivers 3 LR 4200 Quick Reference 4 LR 4200 Specifications 5 Safety Cautions 6 Hearing Safety 6 Medical Device Safety 6 Recycling 6 Product Recycling Instructions 6 Battery Recycling Instructions 6 Quick Setup and Operation Instructions 7 1 Unpack Unit 7 2 Activate Battery 7 3 Charge Battery 7 4 Connect Ear Phone 8 Using the Neck loop Lanyard 8 Using the 3 5mm Headset Extension Cable 8 5 Turn the Unit On 9 6 Channel Select Mode 9 7 Adjust Volume 10 Battery amp Belt Clip 11 Low Battery Indication 11 Belt Clip Installation Removal 1 Accessing Battery Compartment 12 Reset to Factory Default Settings 12 Advanced Program Features an Listen Technologies UI Configuration Software 13 Squelch 13 Channel Labels 13 Auto Power Mode 14 Auto OFF Mode 14 Unit ID 14 Brightness Control 14 Auto Seek Mode 14 Jack Sense 14 Stereo Mode 15 Unit Information 15 Reset to Factory Defaults 15 Firmware Update 15 Troubleshooting LR 4200 Receivers 16 Compliance Notice and FCC Statement 17 Warranty 18 Contacting Listen Technologies 19 LR 4200 IR IDSP RECEIVER MANUAL PAGE 2 LISTEM TECHNOLOGIES iDSP IR Re
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