Page 3 - VHUYLFHZH·UHKHUHWROLVWHQ
Dear Valued Customer, Thank you for choosing Listen! All of us at Listen are dedicated to provide you with the highest quality products available. We take great pride in their outstanding performance because we care that you are completely VDWLVÀHG7KDW·VZK\ZHLQGHSHQGHQWO\FHUWLI\WKHPWRWKHKLJKHVWTXDOL...
Page 5 - SHFLÀFDWLRQV; Stationary Infrared Table of Contents
LR-42/44 Design Guide LT-82 LA-140 LR-42/44 LA-350/351 Supplementary Design Guide LT-82 LA-140 Supplementary LR-42/44 LA-350/351 Design Guide Infrared Technology Overview 5 System Overview 6 Designing a System 9 Design Tools 21 LT-82 Stationary IR Transmitter 6SHFLÀFDWLRQV %ORFN'LDJUDP Quick Referen...
Page 9 - Stationary Infrared Design Guide Table of Contents
Design Guide Design Guide Stationary Infrared Design Guide Table of Contents Infrared Technology Overview 5 System Overview 6 Designing a System 9 Design Tools 21
Page 11 - Infrared Technology Overview
5 Design Guide Design Guide Infrared Technology Overview Infrared or “IR” technology uses infrared light to transmit audio without wires. This type of transmission is advantageous to RF transmission because it is secure, it is not susceptible to RF interference, and one receiver can be used for mult...
Page 12 - System Overview; Single Channel System
6 Design GuideDesign Guide Design Guide System Overview 7KHUHDUHWKUHHPDLQFRPSRQHQWVRIDQ\6WDWLRQDU\,5V\VWHPWKHWUDQVPLWWHUUDGLDWRUHPLWWHUDQGUHFHLY - ers. A single channel system consists of one LT-82 transmitter and one or more radiators. The diagram below shows such a system with one radiator. The ra...
Page 13 - Multiple Channel System
7 Design Guide Design Guide Design Guide System Overview A multiple channel system consists of two to four LT-82 transmitters and one or more radiators. The diagram EHORZVKRZVVXFKDV\VWHPZLWKWZRUDGLDWRUV7KHUDGLDWRUVDUHSRZHUHGIURPWKHSRZHUVXSSO\IURPWKHÀUVW transmitter. This power supply can supply enou...
Page 14 - Key Concepts of Designing a Stationary IR System; Each LT-82 transmitter used can power two LA-140 radiators; The maximum length of CAT-5 power cable
8 Design GuideDesign Guide Design Guide System Overview Each LT-82 transmitter used can power up to two LA-140 radiators. If you design a system that requires more radiators than the transmitters can power, you need to order additional LA-205 power supplies. Each LA-205 can power up to two LA-140 Ra...
Page 15 - Designing a System; Determine the number of audio channels; Complete the room layout worksheet; Number of radiators and location
9 Design Guide Design Guide Design Guide Designing a System You will need to order one LT-82 transmitter for each audio channel. The Listen system can deliver up to four audio channels simultaneously. 1 Determine the number of audio channels <RXVKRXOGHLWKHUPHDVXUHWKHURRPRUXVHWKHDUFKLWHFW·VSODQVWR...
Page 16 - Horizontal Polar Pattern
10 Design GuideDesign Guide Design Guide Designing a System Horizontal Polar Pattern Vertical Polar Pattern Single Channel System Single Channel System
Page 19 - Height of Radiators
13 Design Guide Design Guide Design Guide Designing a System To double the radiator power, it is possible to vertically or horizontally mount two radiators together using the /$'XDO5DGLDWRU0RXQWLQJ%UDFNHWVROGVHSDUDWHO\7KLVLVKLJKO\UHFRPPHQGHGLQODUJHUURRPV RAD 1 RAD 2 3B It is critical to mount the ra...
Page 20 - Determine the number of radiators required
14 Design GuideDesign Guide Design Guide Designing a System 'HWHUPLQHWKHQXPEHURIUDGLDWRUVUHTXLUHGEDVHGRQWKHVL]HDQGVKDSHRIWKHURRP%DVHGRQVWHSWZRLW is recommended that you draw the room out indicating the location of each radiator in the room and cable runs from the transmitter(s) and power supplies (i...
Page 21 - Complete the system layout worksheet
15 Design Guide Design Guide Design Guide Complete the system layout worksheet for Power and RF cable lengths, delay compensation, required number of power supplies, and height and angle of radiators. Refer to the system layout worksheet example below. 5 Complete the system layout worksheet Designin...
Page 23 - Complete the system materials worksheet; Transmitters
17 Design Guide Design Guide Design Guide Designing a System Complete the system materials worksheet that determines the quantity of each part number required for your V\VWHP8VHWKH5RRPDQG6\VWHP/D\RXW:RUNVKHHWVWRÀOOLQWKLVIRUPIRXQGLQWKHODVWVHFWLRQRIWKLVJXLGH 6 Complete the system materials worksheet 6...
Page 25 - Notes
Page 27 - KEY; Room Layout Worksheet
21 LA-140 LT-82 Design Guide Design Guide Design Guide KEY LT -82 LA-140 RG-58 CA T-5 Room Layout Worksheet
Page 29 - System Layout Worksheet
Design Guide Design Guide System Layout Worksheet 23
Page 33 - System Materials Worksheet
27 Design Guide Design Guide Design Guide System Materials Worksheet Transmitters Description Stationary IR Transmitter Power Cord USA UK Euro Part Number LT-82-01 LT-82-02 LT-82-03 Quantity Transmitter Rack Mounting Description Universal Rack Mount Kit (Mounts two LT-82 units) Part Number LA-326 Qu...
Page 39 - Design Guide Design Guide; LT-82 Package Contents
33 LT-82 Design Guide Design Guide LT-82 LT-82 Package Contents • LT-82 IR Transmitter • LA-205 Power Supply • LA-89 IR Interconnection Cable ,56\VWHP'HVLJQ*XLGHDQG8VHU·V0DQXDO • LT-82 Quick Reference Card /LVWHQ&RQÀJXUDWLRQV • LT-82-01 (North America) /78. • LT-82-03 (Euro) LT-82 User’s Manua...
Page 41 - $UFKLWHFWXUDO6SHFLÀFDWLRQ
35 LT-82 Design Guide Design Guide LT-82 /76SHFLÀFDWLRQV $UFKLWHFWXUDO6SHFLÀFDWLRQ 7KH6WDWLRQDU\,57UDQVPLWWHUVKDOOEHFDSDEOHRIEURDGFDVWLQJRQIRXUPRQRRUVWHUHRFDUULHUVDQG0+]&KDQQHO selection shall be capable of being locked. Multiple transmitters shall be capable of being daisy-chained together to t...
Page 42 - Design GuideDesign Guide
36 LT-82 LT-82 Design GuideDesign Guide LT-82 LT-82 Block Diagram Universal Power Supply LA-205 (provided) 115/230VAC 50/60hz Power Supply CPU Module 30VDC, 1.5A Red LED On Up Off Down Volume POWER CHANNEL SELECT HEADPHONE Listen LCD Display Backlit Input 1 VU Meter Input 2 VU Meter Transmitter RF B...
Page 43 - LT-82 Quick Reference
37 LT-82 Design Guide Design Guide LT-82 LT-82 Quick Reference 3RZHU212)) 7HVW7RQH$FWLYDWHVD tone to aid system setup ,QSXWDQG Adjust audio input levels of Input 1 and Input 2 here ,QSXW/HYHO,QGLFDWRUV6KRZV,QSXW and Input 2 levels. 7UDQVPLW/HYHO,QGLFDWRU6KRZVPL[HGDXGLROHYHO 3URFHVV/(',QGLFDWHVDXGLRS...
Page 44 - LT-82 Setup and Operating Instructions; Unpack the Product
38 LT-82 LT-82 Design GuideDesign Guide LT-82 LT-82 Setup and Operating Instructions 1 Unpack the Product Remove outer packaging and plastic cover. Verify all components are present and no physical damage has occurred to the product. 2 If rack mounting the transmitter(s), install the optional rack m...
Page 45 - Plug the included power supply into the Power Input connection
39 LT-82 Design Guide Design Guide LT-82 LT-82 Setup and Operating Instructions 5 The radiator(s) can be powered by either the transmitter Power Output or remotely with a power supply (LA-205) near the radiator. If powering the radiator(s) with the transmitter, connect the transmitter Power Output t...
Page 46 - Select Operating Channel; Select the operating channel; RF-Off Channel Setting Information
40 LT-82 LT-82 Design GuideDesign Guide LT-82 LT-82 Setup and Operating Instructions 7 Select Operating Channel 7A Select the operating channel (1-4). For single channel systems any channel can be used. In multi-channel systems each transmitter must be on a different channel. Select the operating ch...
Page 47 - Connect Audio Inputs; If using Input 2; If using Input 1; XLR Wiring
41 LT-82 Design Guide Design Guide LT-82 8 Connect Audio Inputs 7KH/7KDVWZRDXGLRLQSXWRSWLRQV,QSXWDQG,QSXW,QSXWLVD balanced connection using either an XLR or 1/4” phono connector. Input 2 has two unbalanced mixing phono connectors. Use Input 1 if you are using a microphone or if you have a balanced c...
Page 48 - Set Auto-Timeout Feature; To disable or enable Auto-Timeout Feature; To disable the Auto-Timeout Feature; To enable the Auto-Timeout Feature; Set Stereo and Process Features; Stereo Mode; Stereo and Process Mode Descriptions; Process Mode; Transmitter is shipped to you with Stereo and Process disabled; With the unit on press and hold the channel select “Down” button
42 LT-82 LT-82 Design GuideDesign Guide LT-82 10 Set Auto-Timeout Feature 10A If 30 minutes passes without audio to transmitter the unit will stop sending a signal to the radiators 10B To disable or enable Auto-Timeout Feature Your transmitter is shipped to you with the Auto-Timeout Feature enabled ...
Page 49 - Accessories for LT-82; RG-58 50 Ohm Coaxial Cable
43 LT-82 Design Guide Design Guide LT-82 Accessories for LT-82 LA-326 Universal 5DFN0RXQWLQJ.LW Will mount up to two LT-82 units LA-112 RG-58 50 Ohm Coaxial Cable Specify length LA-70 CAT-5 Cable Specify length LA-72 RJ-45 to RJ-45 CAT-5 Coupler LA-115 5*%1&WR %1&&RXSOHU LA-71 RJ-45 CAT-...
Page 57 - LA-140 Package Contents
LT-82 Design Guide Design Guide LA-140 LA-140 Package Contents • LA-140 Stationary IR Radiator • IR Radiator Quick Reference Card • 25 feet RG-58 Coaxial Cable • 25 feet CAT-5 Power Cable /LVWHQ&RQÀJXUDWLRQV • LA-140-GY (grey) • LA-140-WH (white) LA-140 User’s Manual Table of Contents 6SHFLÀFDWL...
Page 60 - LA-140 Quick Reference
54 LA-140 LT-82 Design GuideDesign Guide LA-140 LA-140 Quick Reference 3RZHU5HG This red LED is lit when there is power to the radiator. 1R&RQQHFWLRQ<HOORZ This yellow LED is lit when the radiator is not connected to a transmitter or radiator. 5),QSXW Input RF signal from a transmitter or rad...
Page 61 - LA-140 Setup and Operating Instructions; Mount Radiator; Determining Location; Connect RF Signal; Mounting in Desired Location
55 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 Setup and Operating Instructions 1 Unpack the Product Remove outer packaging and plastic cover. Verify all components are present and that no physical damage has occurred to the product. 2 Mount Radiator 2A Generally a higher location with a cl...
Page 62 - Set Termination Switch; Set Delay Compensation Switch; Single Radiator Systems
56 LA-140 LT-82 Design GuideDesign Guide LA-140 6 Set Termination Switch 6A Always set the termination switch to the “ON” position in single radiator systems. Single Radiator Systems 7 If desired, the three LED indicators on the front of the radiator can be disabled using this switch. Set this switc...
Page 63 - Red LED; Front LED Indicators
57 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 Setup and Operating Instructions 8 If using a Listen LT-82 Transmitter with the Listen LA-140 Radiator leave this switch in the “OFF” position. ,I\RXDUHXVLQJWKH/LVWHQ/$5DGLDWRUZLWKDQRWKHUPDQXIDFWXUHU·VWUDQVPLWWHUPRGXODWRUVHWWKLV switch to the “...
Page 64 - LA-140 – Mounting your Radiator; Overview
58 LA-140 LT-82 Design GuideDesign Guide LA-140 LA-140 – Mounting your Radiator Overview 7KHUHDUHVHYHUDOGLIIHUHQWFRQÀJXUDWLRQVWKDWWKHUDGLDWRUFDQEHPRXQWHGLQ$OORIWKHPH[FHSWIRUWKH´'XDO5DGLDWRU0RXQWLQJ&RQÀJXUDWLRQVµFDQEHDFFRPSOLVKHGXVLQJWKHPRXQWLQJKDUGZDUHLQFOXGHGZLWKWKH/$,55DGLDWRU.LWWKH/$'XDO0RXQW...
Page 65 - Wall Box Mounting; Installation Steps; Screw Wall Box Plate to wall
59 LA-140 LT-82 Design Guide Design Guide LA-140 Wall Box Mounting The wall box mount is a preferred mounting option for the LA-140 IR Radiator. The wall box mount al- lows secure mounting of the radiator as well as for allowing the necessary cables to be placed inside the wall. 3LHFHV8VHG:DOO%R[3O...
Page 66 - Determine correct angle; Attach Safety Mounting Cable
60 LA-140 LT-82 Design GuideDesign Guide LA-140 4 3XOO&$7DQG&RD[LDOFDEOHVWKURXJKKROHLQ:DOO%R[3ODWH Pull CAT-5 and Coaxial cables through (if necessary) 5 Determine correct angle setting to use for the radiator using the design guide, see page 13 of design guide. Determine correct angle 6 $WW...
Page 67 - Hollow Wall Mounting; Fasten Wall Box Plate to wall
61 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 – Mounting your Radiator Hollow Wall Mounting A hollow wall installation is not as preferrable as a wall box installation but can be done without problems. 7KHKROORZZDOOLQVWDOODWLRQVWLOOUHTXLUHVWKH:DOO%R[3ODWHWREHXVHG 3LHFHV8VHG:DOO%R[3ODWH • ...
Page 68 - Attach Tilt Arm “B”; Attach Radiator to Wall Box Plate
62 LA-140 LT-82 Design GuideDesign Guide LA-140 3 $WWDFK7LOW$UP´%µWR6ZLQJ$UPRIUDGLDWRUVZLQJDUPFRPHVDWWDFKHGWRUHDURIUDGLDWRUXVLQJLQFOXGHG0RXQWLQJ Hardware Screws. Any of the seven holes in Swing Arm can be used for this. Attach Tilt Arm “B” 4 3XOO&$7DQG&RD[LDOFDEOHVWKURXJKKROHLQ:DOO%R[3ODWH P...
Page 69 - Connect CAT-5 and Coaxial cables
63 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 – Mounting your Radiator 8 Connect CAT-5 and Coaxial cables to appropriate locations on radiator. Connect CAT-5 and Coaxial cables 7 The radiator has a safety cable attached to the top of the swing arm. This cable must be attached to a secure b...
Page 70 - Corner Mounting
64 LA-140 LT-82 Design GuideDesign Guide LA-140 LA-140 – Mounting your Radiator Corner Mounting The radiator is mounted in the corner of a room with or without a wall box available for this use. A wall box must be at least four inches from the corner if using for this install. 3LHFHV8VHG:DOO%R[3ODW...
Page 71 - Attach Corner Mount Bracket
65 LA-140 LT-82 Design Guide Design Guide LA-140 2 $WWDFK&RUQHU0RXQW%UDFNHWWR:DOO%R[3ODWHXVLQJLQFOXGHG Mounting Harware Screws. Use all four available holes to ensure a secure attachment. Attach Corner Mount Bracket 3 $WWDFK7LOW$UP´$µWR&RUQHU0RXQW%UDFNHW'HWHUPLQHFRUUHFWSODFHPHQWRI7LOW$UP´$µE...
Page 72 - Pull CAT-5 and Coaxial cables through; Attach Radiator to Corner Mount Bracket
66 LA-140 LT-82 Design GuideDesign Guide LA-140 LA-140 – Mounting your Radiator 5 3XOO&$7DQG&RD[LDOFDEOHVWKURXJKKROHLQ:DOO%R[3ODWHLIQHFHVVDU\ Pull CAT-5 and Coaxial cables through 6 Determine correct angle setting to use for the radiator using the design guide, see page 13 of design guide. D...
Page 74 - Ceiling Mounting; Attach Wall Box Plate securely to ceiling
68 LA-140 LT-82 Design GuideDesign Guide LA-140 LA-140 – Mounting your Radiator Ceiling Mounting 'HVFULSWLRQ5DGLDWRULVPRXQWHGRQWKHFHLOLQJZLWKRUZLWKRXWDZDOOER[DYDLODEOHIRUWKLVXVH 3LHFHV8VHG:DOO%R[3ODWH • Hollow Wall Mounting Screws (if attaching to wall box) or Hollow Wall Anchors with Screws (if at...
Page 75 - Attach Tilt Arm “A”
69 LA-140 LT-82 Design Guide Design Guide LA-140 2 3 $WWDFK7LOW$UP´%µWR6ZLQJ$UPRIUDGLDWRUVZLQJDUPFRPHVDWWDFKHGWRUHDURIUDGLDWRUXVLQJLQFOXGHG Mounting Hardware Screws. It is recomended that the top hole of the radiator swing arm be used using included mounting hardware screws in this install. Attach T...
Page 76 - Attach Radiator to Wall Box Plate using Tilt Arm “A” and Tilt Arm “B”
70 LA-140 LT-82 Design GuideDesign Guide LA-140 6 8 $WWDFK5DGLDWRUWR:DOO%R[3ODWHXVLQJ7LOW$UP´$µDQG7LOW$UP´%µ8VHWKH7LOW%ROWWRIDVWHQWKHWLOWDUPVWRJHWKHU ATTENTION: Note the angle measurements on Tilt Arm “B” and verify that the correct angle is selected before fully tightening Tilt Bolt. Attach Radiato...
Page 78 - Attach Radiator to Desk/Mic Stand
72 LA-140 LT-82 Design GuideDesign Guide LA-140 3 Determine correct angle setting to use for the radiator using the design guide, see page 13 of design guide. Determine correct angle 4 $WWDFK5DGLDWRUWR'HVN0LF6WDQGXVLQJ7LOW$UP´$µDQG7LOW$UP´%µ8VHWKH7LOW%ROWWRIDVWHQWKHWLOWDUPVWRJHWKHU ATTENTION: Note t...
Page 79 - Microphone Stand Mounting; Attach Universal Bracket to Mic Stand
73 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 – Mounting your Radiator Microphone Stand Mounting Radiator is mounted on a standard microphone stand. 3LHFHV8VHG8QLYHUVDO%UDFNHW • Universal Stand Nut • Tilt Arm “A” 7LOW$UP´%µ7LOW%ROW Installation Steps 1 $WWDFK8QLYHUVDO%UDFNHWWR0LF6WDQGXV...
Page 80 - Determine correct angle setting
74 LA-140 LT-82 Design GuideDesign Guide LA-140 4 Determine correct angle setting to use for the radiator using the design guide, see page 13 of design guide. Determine correct angle setting 5 $WWDFK5DGLDWRUWR'HVN0LF6WDQGXVLQJ7LOW$UP´$µDQG7LOW$UP´%µ8VHWKH7LOW%ROWWRIDVWHQWKHWLOW arms together. ATTENT...
Page 81 - Tripod Stand Mounting; Attach Universal Bracket to tripod stand
75 LA-140 LT-82 Design Guide Design Guide LA-140 LA-140 – Mounting your Radiator Tripod Stand Mounting Radiator is mounted on a tripod stand. If Listen part number LA-337 is used the radiator can be mounted up to nine feet high. 3LHFHV8VHG • Universal Stand Nut 8QLYHUVDO%UDFNHW • Tilt Arm “A” 7LOW...
Page 83 - Dual Radiator Mounting
77 LA-140 LT-82 Design Guide Design Guide LA-140 Dual Radiator Mounting It is possible to mount two Listen LA-140 Radiators either side by side or on top of each other using the /$'XDO5DGLDWRU0RXQWLQJ%UDFNHWVROGVHSDUDWHO\7KHPRXQWLQJVWUDWHJ\LVYHU\VLPLODUWRDOORI the previous scenerios except you will ...
Page 84 - Accessories for LA-140
78 LA-140 LT-82 Design GuideDesign Guide LA-140 Accessories for LA-140 LA-112 RG-58 50 Ohm Coaxial Cable specify length LA-205 IR Extended Power Supply (powers two LA-140 radiators) 1RWH<RXZLOORQO\QHHGWKH/$LI\RX are using more than two LA-140 radiators per LT-82 transmitter or if you wish to remo...
Page 91 - Listen Part Number
LA-140 LT-82 Design Guide Design Guide LR-42/44 Listen Part Number • LR-42 • LR-44 LR-42/44 User’s Manual Table of Contents LR-42/LR-44 4-Channel IR Receivers 6SHFLÀFDWLRQV LR-42 Quick Reference Page 89 LR-44 Quick Reference Page 90 Setup Instructions 91 Operating Instructions 95 Locking Instruction...
Page 95 - LR-42 Quick Reference
89 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42 Quick Reference 1 2 3 4 ,55HFHLYHU/HQV/HQVFRYHUVWKH IR receiving components, ensure entire lens is visible during use 3RZHU%XWWRQ Press to turn unit on, press and hold to turn unit off 6HOHFW%XWWRQ Press to change the channel, also used with p...
Page 96 - LR-44 Quick Reference
90 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-44 Quick Reference 1 2 3 4 ,55HFHLYHU/HQV/HQVFRYHUVWKH IR receiving components, ensure entire lens is visible during use 3RZHU%XWWRQ Press to turn unit on, press and hold to turn unit off 6HOHFW%XWWRQ Press to change the channel, also used with pr...
Page 97 - Determine Battery Type to be Used; Remove alkaline battery compartment; Close battery compartment; Return battery compartment to rear of receiver.
91 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Setup Instructions 1 Unpack the Product Remove outer packaging and plastic cover. Verify all components are present and that no physical damage has occurred to the product. 2 $ONDOLQH%DWWHULHV,IXVLQJDONDOLQHEDWWHULHVLQVWDOOWKHPLQDONDOLQHEDW...
Page 99 - Turn Unit On
93 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Setup Instructions 3 Connect an Earphone or Headset (LR-44 model only) An earphone or headset will connect to the jack on the bottom of the unit. Either mono or stereo connectors may be used with Listen receivers. Make sure to push the conn...
Page 100 - Select a Channel and/or Program Channel Selection Method; Upon Power up; Select Stereo/Mono Mode; Setup Additional Programming (if desired)
94 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-42/44 Setup Instructions 5 The Select button is used to change the channel. Press the button once to change the channel. The unit will either seek or scroll through the channels depending upon which channel selection method you have enabled. See b...
Page 101 - Position the Unit on User’s Body
95 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Operating Instructions 127(7KHIROORZLQJRSHUDWLQJLQVWUXFWLRQVEULHÁ\GHVFULEHKRZDXQLWRSHUDWHVEDVHGRQZKLFKSURJUDPPLQJIHDWXUHV have been enabled/disabled, with the factory default settings highlighted. See page 102 for detailed information about...
Page 103 - Turn the Unit On
97 LA-140 LT-82 Design Guide Design Guide LR-42/44 3 Turn on the unit by pressing either button on the front of the receiver. Turn the Unit On 3A The unit will power up to the same channel that it was on when it was last turned off. Auto-Seek Disabled (Default OFF) 3B The unit will power up to the s...
Page 104 - LED Sleep Mode
98 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-42/44 Operating Instructions 4 LED Sleep Mode The receiver will shut off the channel indicator LEDs after a period of 10 seconds passes without any buttons being pressed. The receiver will still produce audio and the volume can still be adjusted, ...
Page 105 - Checking Battery Level and Current Channel; Checking Battery Level; Adjust Volume Level; LED on
99 LA-140 LT-82 Design Guide Design Guide LR-42/44 7 Checking Battery Level and Current Channel 7A Checking Battery Level LR-42/44 Operating Instructions Adjust Volume Level Use the control dial on the top of the unit to adjust the volume to a comfortable level. 6 1 2 3 4 1 Tapping the power button ...
Page 106 - Checking Current Channel; Auto Shut-Off Feature; After 10 seconds; Powering down the unit
100 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-42/44 Operating Instructions 7B The channel the unit is currently on is represented by the corresponding LED in the channel indicator LEDs being lit (unless unit is in LED sleep mode). To check which channel the unit is on without changing the cu...
Page 107 - Channel Lock Procedure; Lock Indicators; Locking the Receiver on One Channel
101 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Locking Instructions The unit can be electronically locked on one channel so that it will not change channel even if the Select button is pressed. It is recommended to lock the receivers on the channel that is being used in systems that do...
Page 108 - Program Mode Overview
102 LA-140 LT-82 Design GuideDesign Guide LR-42/44 Program Mode Overview LR-42/44 Programming Instructions 7KHIROORZLQJIHDWXUHVFDQEHSURJUDPPHGZLWKLQWKHSURJUDPPRGH6WHUHR2Q2II&KDQQHO/RFN2XW Auto Seek and Squelch. The following sections outline the procedures required to enter the program mode, mod...
Page 109 - Program Mode Functionality Diagram; URJUDPPDEOH; LED off
103 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Programming Instructions Program Mode Functionality Diagram Use this chart to help with navigating through, and adjusting the features within, the program mode. 3URJUDPPDEOH Feature 5HFHLYHU/(''LVSOD\6KRZV 1DYLJDWLQJZLWKLQWKH3URJUDP0RGH Pr...
Page 110 - Channel Lock-Out “Sub-Mode” Functionality Diagram; Channels
104 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-42/44 Programming Instructions Channel Lock-Out “Sub-Mode” Instructions While in Channel Lock-Out “Sub-Mode” The channels that would be available are represented by the corresponding channel indicator LED being on and the channels that would be “...
Page 111 - Squelch Adjustment “Sub-Mode” Instructions; While in Squelch Adjustment “Sub-Mode”
105 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Programming Instructions Squelch Adjustment “Sub-Mode” Instructions While in Squelch Adjustment “Sub-Mode” There are 16 available squelch settings. The 16 settings are represented by binary code (refer to the chart below). 1 Press the Sele...
Page 112 - Resetting to Defaults; There are two ways to exit the program mode
106 LA-140 LT-82 Design GuideDesign Guide LR-42/44 LR-42/44 Programming Instructions Resetting to Defaults It is possible to reset the unit to factory default settings and the unit must be in the program mode to be reset. 1 While in program mode, select the “Reset to Defaults” function and press the...
Page 113 - Programming Examples
107 LA-140 LT-82 Design Guide Design Guide LR-42/44 Programming Examples Example #1 Enter Program Mode (see page 102) 1 :KHQSURJUDPPRGHLVHQWHUHGWKHÀUVWIXQFWLRQLVDFWLYHDQGWKH/('·VZLOOVKRZ Using the functionality chart on a previous page note that this is the Stereo On/Off Function. 2 I want to turn o...
Page 114 - I want to reset the unit to factory defaults.
108 LA-140 LT-82 Design GuideDesign Guide LR-42/44 Programming Examples Example #3 Enter Program Mode. 1 :KHQSURJUDPPRGHLVHQWHUHGWKHÀUVWIXQFWLRQLVDFWLYHDQGWKH/('·VZLOOVKRZ Using the functionality chart on a previous page note that this is the Stereo On/Off Function. 2 I want to lock-out channels 2 a...
Page 115 - I want to tighten the squelch setting to setting 10.
109 LA-140 LT-82 Design Guide Design Guide LR-42/44 Programming Examples Example #5 Enter Program Mode. 1 :KHQSURJUDPPRGHLVHQWHUHGWKHÀUVWIXQFWLRQLVDFWLYHDQGWKH/('·VZLOOVKRZ Using the functionality chart on a previous page note that this is the Stereo On/Off Function. 2 I want to tighten the squelch ...
Page 116 - Programmable Features Detailed Descriptions
110 LA-140 LT-82 Design GuideDesign Guide LR-42/44 If you have Auto-Seek disabled (default setting) the unit scrolls to the next channel with each press of the Select button. If, for example, you have a two channel system you can use this feature to “lock out” the other two unused channels so that t...
Page 117 - Requirements; How to Charge Batteries; Install LA-364 rechargeable NiMH Battery Pack; Charging Batteries within the Receiver
111 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Battery Charging Information The only way to charge the LA-364 battery packs is by inserting them into the LA-350 Charging Station. The battery packs can be charged while installed on the receiver or they can be charged while separate from...
Page 118 - When the unit is seated correctly a red LED will light
112 LA-140 LT-82 Design GuideDesign Guide LR-42/44 Place LR-42/LR-44 Receiver into a slot on the LA-350 case. Ensure that the LA-350 charging station has power to it. Place LR-42/LR-44 Receiver into a slot When the unit is seated correctly a red LED will light up on the LA-350 charging station adjac...
Page 119 - Place LA-364 battery pack into converted tray
113 LA-140 LT-82 Design Guide Design Guide LR-42/44 LR-42/44 Battery Charging Information Place LA-364 battery pack into converted tray of LA-350. Ensure that the LA-350 charging station has power to it. Place LA-364 battery pack into converted tray Install Battery Pack Conversion Plates to charging...
Page 120 - When the battery pack is fully charged the red LED will turn off
114 LA-140 LT-82 Design GuideDesign Guide LR-42/44 When the battery pack is fully charged the red LED will turn off and a green LED will light up to indicate battery pack is fully charged. The green LED will stay lit until the battery pack is removed from the charging station. When the battery pack ...
Page 127 - LA-350 Package Contents
LA-140 LT-82 Design Guide Design Guide LA-350/351 LA-350 Package Contents • LA-350 Charging/Storage Station • LA-204 Power Supply %DWWHU\3DFN&RQYHUVLRQ7UD\V • Cord Tidy Rack • LA-350 Quick Reference Card /LVWHQ&RQÀJXUDWLRQV • LA-350-01 (North America) /$8. • LA-350-03 (Euro) LA-350/351 Use...
Page 129 - Features; • Pockets grab and hold receivers so they will not fall out.
123 LA-140 LT-82 Design Guide Design Guide LA-350/351 /$6SHFLÀFDWLRQV Features • Can charge or store up to eight LR-42 and/or LR-44 receivers at one time. (DV\WRLGHQWLI\FKDUJLQJ*UHHQ/(' IXOO\FKDUJHGXQLWV5HG/(' FKDUJLQJLQSURJUHVV • Pockets grab and hold receivers so they will not fall out. &KDU...
Page 131 - LA-350 Charging Requirements/Instructions; Plug power supply into power source; Plug power into charging/storage station; Requirements to Charge Receivers; Charging Instructions
125 LA-140 LT-82 Design Guide Design Guide LA-350/351 LA-350 Charging Requirements/Instructions 1 Plug power supply into power source Plug power supply into power source. 2 Plug power into charging/storage station. Plug power into charging/storage station Requirements to Charge Receivers To charge L...
Page 132 - To Charge Batteries while in Receivers; Charging Scheme; Place receivers in charging slots; To Charge Batteries separate from Receivers; Install conversion tray
126 LA-140 LT-82 Design GuideDesign Guide LA-350/351 3A 3 To Charge Batteries while in Receivers Charging Scheme 1 Place receivers in charging slots. It may be necessary to press down on the units to ensure that they are touching the charging contacts. Place receivers in charging slots 1 2 3 4 LA-35...
Page 133 - Place LA-364 battery packs in converted charging slots; Verify batteries are charging
127 LA-140 LT-82 Design Guide Design Guide LA-350/351 Place LA-364 battery packs in converted charging slots. Place LA-364 battery packs in converted charging slots 4 Verify batteries are charging. When units begin to charge a red LED will come on near the charging slot. This LED will stay lit until...
Page 134 - The Cord Tidy Rack
128 LA-140 LT-82 Design GuideDesign Guide LA-350/351 LA-350/351 Cord Tidy Rack The Cord Tidy Rack The Cord Tidy Rack can be used, if desired, to help with organizing the lanyard cords of the LR-44 receiver during charging or storage. Insert the tidy rack into the holes on top of the station to use. ...
Page 141 - Supplementary Information Table of Contents
LA-140 LT-82 Design Guide Des ign Gu ide Supplementary Supplementary Information Table of Contents Troubleshooting 133 Frequently Asked Questions 135 Compliance Information 137 Warranty 137 Contacting Listen 137
Page 143 - Troubleshooting; URXEOHVKRRWLQJ
137 LA-140 LT-82 Design Guide Des ign Gu ide Supplementary Troubleshooting 7URXEOHVKRRWLQJ I believe my radiator has power but none of the LEDs on the front are on. 6:KDVEHHQWXUQHG2))7XUQWKLVVZLWFKWRWKH21SRVLWLRQIRUYHULÀFDWLRQRISRZHUDQGFDUULHU My radiator is not radiating a signal. If there is no au...
Page 145 - Frequently Asked Questions
139 LA-140 LT-82 Design Guide Des ign Gu ide Supplementary Frequently Asked Questions Q How many radiators can an LT-82 power? A Up to two radiators can be powered using an LT-82. You must use an external power supply (LA-205) for more radiators. )UHTXHQWO\$VNHG4XHVWLRQV Q How many radiators can an ...
Page 147 - Compliance, Warranty and Contact Information; Warranty
141 LA-140 LT-82 Design Guide Des ign Gu ide Supplementary Compliance, Warranty and Contact Information &RPSOLDQFH,QIRUPDWLRQ The following compliance information applies to the LT-82, LA-140-GY, LA-140-WH, LR-42, LR-44 and LA-350. 7KLVGHYLFHFRPSOLHVZLWK3DUWRIWKH)&&5XOHV2SHUDWLRQLVVXEMHF...
Page 148 - Listen Technologies Corporation; Printed in the United States of America
Listen Technologies Corporation 14912 Heritagecrest Way %OXIIGDOH8WDK86$ +1.801.233.8992 +1.800.330.0891 North America +1.801.233.8995 fax www.listentech.com Printed in the United States of America © 2008 Listen Technologies Corporation ® All Rights Reserved 2008115
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