Listen Technologies LA 325 User Manual

Dear Valued Customer,  
Thank you for choosing Listen! All of us at Listen are dedicated to  
providing you with the highest quality products available. We take  
great pride in their outstanding performance because we care  
that you are completely satisfied. That’s why we independently  
certify them to the highest quality standards and back them with  
a limited lifetime guarantee. We stand ready to answer any  
questions you might have during installation or in the operation of  
our products. Should you experience any problems whatsoever  
with your Listen products, we are ready to help you in any way we  
can with prompt, efficient customer care. Because at Listen, it’s  
all about you! And should you have any comments on how we  
might improve our products or our service, we’re here to listen.  
801.233.8992  
800.330.0891  
801.233.8995  
North America  
fax  
Thank you... and enjoy your listening experience!  
Best regards,  
The Listen Team  
Table of Contents  
4-Unit Cases User’s Manual  
8-Unit Cases User’s Manual  
16-Unit Cases User’s Manual  
25-Unit Configurable Carrying Case  
3
15  
27  
39  
Supplementary Information  
Removable Charging Platform  
NiMH Battery Technology  
LED Indicators  
Optional Accessories  
Troubleshooting  
31  
33  
34  
35  
36  
38  
40  
41  
Warranty  
Contacting Listen  
4-Unit Case Package Contents  
LA-317/323 Contents  
LA-318 Contents  
• LA-317 4-Unit Charging/Carrying  
Case or LA-323 4-Unit Charging/  
Carrying Case  
• LA-318 4-Unit Charging/Carrying Case  
• Keys  
• Shoulder Carrying Strap  
• Case User’s Manual  
• Power Supply  
• Keys  
• Shoulder Carrying Strap  
• Case User’s Manual  
LA-317/323 Specifications and Features  
Speciꢀcations  
Specification  
LA-317/LA-323  
Primary Power  
Input 110-120 VAC, 60 Hz, 15 W  
Power  
Secondary Power  
Output 7.5 VDC, 600 Ma  
Description  
Black, grey, and chrome lockable hard case. Interior foam.  
2.6 lbs. (1.2 kg)  
Weight  
Shipping Weight  
Shoulder Carrying Strap Length  
Power Cord Length  
Size W x H x D  
5 lbs. (2.2 kg)  
Physical  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
6.0 ft. (1.8 m)  
11.80 x 7.50 x 3.75 in. (30.0 x 7.5 x 9.5 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Charges up to 4 receivers or portable transmitters with NiMH batteries  
Pocket stores power supply, earphones and/or other accessories  
SmartCharge™ charging technology built into Listen products prevents overcharge  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
Convenient removable lid (LA-323 model only)  
5
LA-318 Specifications and Features  
Speciꢀcations  
Specification  
LA-318  
Power  
None  
Description  
Weight  
Black, grey, and chrome lockable hard case. Interior foam.  
2.6 lbs. (1.2 kg)  
Physical  
Shipping Weight  
5 lbs. (2.2 kg)  
Shoulder Carrying Strap Length  
Size W x H x D  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
11.80 x 7.50 x 3.75 in. (30.0 x 7.5 x 9.5 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Individual storage pockets for a combination of 4 receivers and transmitters  
Large pocket for accessory storage  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
6
LA-317/323 Charging Instructions  
1
Plug power supply into power source.  
Any 110 to 120 VAC outlet can be used. The power must stay connected during  
the full 13 hour charge cycle.  
green LED lit when power  
is connected  
2
3
Plug power into case.  
The green LED next to the power connector will illuminate  
indicating the case is powered.  
Check Battery Select Switch.  
Make sure that you are using NiMH batteries and that the  
battery select switch is in the correct position. Charging will only  
occur when the Listen product’s battery selection switch is set  
to the “NiMH” position. This switch is located inside the battery  
compartment of the product.  
Warning: Do not attempt to charge alkaline  
batteries. This may damage the unit  
and case, and will void the warranty!  
Enlarged area of  
interior of LR-500  
7
LA-317/323 Charging Instructions (cont.)  
4
Turn units to be charged OFF.  
For optimal charging, receivers and transmitters should be turned OFF* during  
the charge cycle.  
Receiver power switch  
- turn clockwise until you  
hear a ‘click’  
LT-700 power switch  
*Portable transmitters manufactured prior to 2003 require that the unit be  
turned ON to begin charging. Once charging begins, turn the unit OFF.  
5
Place units in case slots.  
8
LA-317/323 Charging Instructions (cont.)  
Connect units to power.  
Plug power connectors into PWR/CHG jack on the  
side of the units.  
6
9
LA-317/323 Charging Instructions (cont.)  
7
Verify units are charging.  
Watch units for 10 seconds before leaving them to charge. Once placed in the charging  
slots, the red LED on top of Listen’s portable receivers and transmitters will glow continuously  
for 1-2 seconds, then extinguish. The units will then evaluate battery status for 5-7 seconds.  
If the battery select switch is positioned in the NiMH setting, the red LED will begin to flash  
indicating that the units are charging.  
NOTE: If batteries are completely discharged, the red LED will remain solid while the  
batteries are reconditioned. Unit should begin flashing after 5-10 minutes. The LED  
may flicker during the reconditioning process.  
8
Verify Full Charge.  
Each unit’s red LED will stop flashing once charging is complete. Charging time for full  
recharge on completely discharged batteries is 13 hours.  
NOTE: If a unit is removed from the case during the charge cycle, and then reinserted, it will  
begin a new charge cycle.  
WARNING: The case lid MUST be open or removed while the units are charging. The  
charging process generates heat and ventilation is required. It is best to  
store your charging case at room temperature away from heat sources  
and direct sunlight.  
10  
8-Unit Case Package Contents  
LA-321/324 Contents  
LA-322 Contents  
• LA-321 8-Unit Charging/Carrying  
Case or LA-324 8-Unit Charging/  
Carrying Case  
• LA-322 8-Unit Charging/Carrying Case  
• Keys  
• Shoulder Carrying Strap  
• Case User’s Manual  
• Power Supply  
• Keys  
• Shoulder Carrying Strap  
•Case User’s manual  
12  
LA-321/324 Specifications and Features  
Speciꢀcations  
Specification  
LA-321/324  
Primary Power  
Input 100-240 VAC, 50-60 Hz, 1200 mA  
Power  
Secondary Power  
Output 7.5 VDC, 4A, 30W  
Description  
Black, grey, and chrome lockable hard case. Interior foam.  
6.2 lbs. (2.80 kg)  
Weight  
Shipping Weight  
Shoulder Carrying Strap Length  
Power Cord Length  
Size W x H x D  
9.0 lbs. (4.00 kg)  
Physical  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
12.0 ft. (3.7 m)  
15.75 x 9.80 x 7.00 in. (40.0 x 25.0 x 18.0 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Charges up to 8 receivers or portable transmitters with NiMH batteries  
Removable charging platform  
Large pocket stores power supply, earphones and/or other accessories  
Center pocket stores earphones or other accessories  
Earphones can remain attached to receivers during storage and charging  
SmartCharge™ charging technology built into Listen products prevents overcharge  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
Convenient removable lid (LA-324 model only)  
13  
LA-322 Specifications and Features  
Speciꢀcations  
Specification  
LA-322  
Power  
None  
Description  
Black, grey, and chrome lockable hard case. Interior foam.  
6.2 lbs. (2.80 kg)  
Weight  
Physical  
Shipping Weight  
Shoulder Carrying Strap Length  
Size W x H x D  
8.0 lbs. (3.60 kg)  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
15.75 x 9.80 x 7.00 in. (40.0 x 25.0 x 18.0 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Stores up to 8 receivers or portable transmitters  
Pocket stores earphones and/or other accessories  
Earphones can remain attached to receivers during storage  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
14  
LA-321/324 Drop-In Charging Instructions  
Listen drop in charging cases allow Listen’s portable products to be dropped into a charging slot  
and immediately begin charging when the case is powered. This provides a convenient method  
for recharging as well as storing your portable products.  
Plug power supply into power source.  
1
2
Any 100 to 240 VAC outlet can be used. Make sure that power stays connected  
during the full 13 hour charge cycle.  
green LED lit when  
power is connected  
Plug power supply into case.  
The green LED next to the power connector will illuminate  
indicating the case is powered.  
3
Turn units to be charged OFF.  
For optimal charging, receivers and transmitters should be  
turned OFF while being charged.  
Receiver power switch -  
turn clockwise until you  
hear a ‘click’  
LT-700 - power switch  
NOTE: Portable transmitters manufactured prior to 2003 require that the unit be turned  
ON to begin charging. Once charging begins, turn the unit OFF through the  
cut-out in the foam.  
15  
LA-321/324 Drop-In Charging Instructions (cont.)  
4
Make sure that you are using NiMH batteries and that the battery select  
switch is in the correct position. Charging will only occur when the Listen  
product’s battery selection switch is set to the “NiMH” position. This switch  
is located inside the battery compartment of the product.  
Warning: Do not attempt to charge alkaline batteries.  
This may damage the unit and case, and  
will void the warranty!  
Enlarged area of  
interior of LR-500  
5
Place units in charging slots.  
It may be necessary to press the units down into  
the pocket to ensure that it is touching the  
charging contacts.  
16  
LA-321/324 Drop-In Charging Instructions (cont.)  
6
Verify units are charging.  
Watch units for 10 seconds before leaving them to charge. Once placed in the  
charging slots, the red LED on top of Listen’s portable receivers and transmitters will  
glow continuously for 1-2 seconds, then extinguish. The units will then evaluate battery  
status for 5-7 seconds. If battery select switch is positioned in the NiMH setting, the red  
LED will begin to flash indicating that the units are charging.  
NOTE: If batteries are completely discharged, the red LED will remain solid while the  
batteries are reconditioned. Unit should begin flashing after 5-10 minutes. The  
LED may flicker during the reconditioning process.  
7
Verify full charge.  
Each unit’s red LED will stop flashing once charging is complete. Charging time for full  
recharge on completely discharged batteries is 13 hours.  
NOTE: If a unit is removed from the case during the charge cycle, and then reinserted,  
it will begin a new charge cycle.  
WARNING: The case lid MUST be open or removed while the units are charging.  
The charging process generates heat and ventilation is required. It  
is best to store your charging case at room temperature away from  
heat sources and direct sunlight.  
17  
16-Unit Case Package Contents  
LA-311/325 Contents  
LA-313 Contents  
• LA-311 16-Unit Charging/Carrying  
Case or LA-325 16-Unit Charging/  
Carrying Case  
• LA-313 16-Unit Charging/Carrying Case  
• Keys  
• Shoulder Carrying Strap  
• Case User’s Manual  
• Power Supply  
• Keys  
• Shoulder Carrying Strap  
• Case User’s Manual  
20  
LA-311/325 Specifications and Features  
Speciꢀcations  
Specification  
LA-311/325  
Primary Power  
Input 100-240 VAC, 50-60 Hz, 1200 mA  
Power  
Secondary Power  
Output 7.5 VDC, 4A, 30W  
Description  
Black, grey, and chrome lockable hard case. Interior foam.  
7.6 lbs. (3.50 kg)  
Weight  
Shipping Weight  
Shoulder Carrying Strap Length  
Power Cord Length  
Size W x H x D  
11.0 lbs. (5.00 kg)  
Physical  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
12.0 ft. (3.7 m)  
18.25 x 13.00 x 6.75 in. (46.0 x 33.0 x 17.0 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Removable charging platform  
Charges up to 16 receivers or portable transmitters with NiMH batteries  
Large pocket stores power supply, earphones and/or other accessories  
Small pockets store earphones or other accessories  
Earphones can remain attached to receivers during storage and charging  
SmartCharge™ charging technology built into Listen products prevents overcharge  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
Convenient removable lid (LA-325 model only)  
21  
LA-313 Specifications and Features  
Speciꢀcations  
Specification  
LA-313  
Power  
None  
Description  
Black, grey, and chrome lockable hard case. Interior foam.  
7.0 lbs. (3.50 kg)  
Weight  
Physical  
Shipping Weight  
Shoulder Carrying Strap Length  
Size W x H x D  
10.0 lbs. (4.50 kg)  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
18.25 x 13.00 x 6.75 in. (46.0 x 33.0 x 17.0 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Stores up to 16 receivers or portable transmitters  
Large pocket stores earphones and/or other accessories  
Small pocket stores earphones and/or other accessories  
Earphones can remain attached to receivers during storage  
Case comes with keys and can be locked for security  
Detachable nylon carrying strap  
22  
LA-311/325 Drop-In Charging Instructions  
Listen drop in charging systems allow Listen’s portable products to be dropped into a  
charging slot and immediately begin charging when the case is powered. This provides  
a convenient method for recharging your portable products.  
1
2
3
Plug power supply into power source.  
Any 100 to 240 VAC outlet can be used. Make sure that power stays  
connected during the full 13 hour charge cycle.  
Green LED lit when  
power is connected  
Plug power supply into case.  
The green LED next to the power  
connector will illuminate, indicating the case is powered.  
Turn units to be charged OFF.  
For optimal charging, receivers and transmitters should be turned OFF  
while being charged.  
Receiver power switch -  
turn clockwise until you  
hear a ‘click’  
LT-700 - power switch  
NOTE: Portable transmitters manufactured prior to 2003 require that the unit be turned  
ON to begin charging. Once charging begins, turn the unit OFF through the  
cut-out in the foam.  
23  
LA-311/325 Drop-In Charging Instructions (cont.)  
4
Make sure that you are using NiMH batteries and that the battery select  
switch is in the correct position. Charging will only occur when the Listen  
product’s battery selection switch is set to the “NiMH” position. This switch  
is located inside the battery compartment of the product.  
Warning: Do not attempt to charge alkaline  
batteries. This may damage the unit  
and case, and will void the warranty!  
Enlarged area of  
interior of LR-500  
5
Place units in charging slots.  
It may be necessary to press the units down into  
the pocket to ensure that it is touching the  
charging contacts.  
24  
LA-311/325 Drop-In Charging Instructions (cont.)  
6
Verify units are charging.  
Watch units for 10 seconds before leaving them to charge. Once placed in the  
charging slots, the red LED on top of Listen’s portable receivers and transmitters will  
glow continuously for 1-2 seconds, then extinguish. The units will then evaluate battery  
status for 5-7 seconds. If battery select switch is positioned in the NiMH setting, the red  
LED will begin to flash indicating that the units are charging.  
NOTE: If batteries are completely discharged, the red LED will remain solid while the  
batteries are reconditioned. Unit should begin flashing after 5-10 minutes. The  
LED may flicker during the reconditioning process.  
7
Verify full charge.  
Each unit’s red LED will stop flashing once charging is complete. Charging time for full  
recharge on completely discharged batteries is 13 hours.  
NOTE: If a unit is removed from the case during the charge cycle, and then reinserted,  
it will begin a new charge cycle.  
WARNING: The case lid MUST be open or removed while the units are  
charging. The charging process generates heat and ventilation  
is required. It is best to store your charging case at room  
temperature away from heat sources and direct sunlight.  
25  
25-Unit Case Package Contents  
LA-320 Contents  
• LA-320 25-Unit Carrying Case  
• Keys  
• Shoulder Carrying Strap  
• Case’s User Manual  
2ꢁ  
LA-320 Specifications and Features  
Speciꢀcations  
Specification  
LA-320  
Power  
None  
Description  
Black, grey, and chrome lockable hard case. Interior foam covered wood dividers.  
8.0 lbs. (3.70 kg)  
Weight  
Physical  
Shipping Weight  
Shoulder Carrying Strap Length  
Size W x H x D  
10.2 lbs. (4.60 kg)  
Adjustable 33.00 to 53.00 in. (83.0 to 135.0 cm)  
18.25 x 13.00 x 6.75 in. (46.0 x 33.0 x 17.0 cm)  
Features  
Sturdy case with hard foam interior and durable latches  
Stores up to 25 portable receivers or portable transmitters  
Can be configured to store stationary transmitters and stationary receivers.  
Can be used to store any accessory items (headphones, earphones, power supplies, etc.)  
Earphones can remain attached to receivers during storage  
Case comes with keys and can be locked for security.  
29  
LA-320 Configuration Instructions  
The LA-320 Configurable Carrying Case can accommodate a combination of  
different Listen products. This product is designed to adapt to the specific needs  
of each customer.  
To Configure:  
1
Remove any of the small section dividers; or move small section  
dividers up or down as needed.  
2
3
Remove any of the large section dividers; or move large  
section dividers left or right as needed.  
Replace small and large section dividers as needed to fit your  
application.  
4
5
Store any unused section dividers for future use.  
Close lid to ensure a secure fit for all equipment.  
NOTE: When removing section dividers for customization  
of your case, it may be necessary to use extra  
section dividers for added support and strength.  
This can be accomplished by doubling up end  
dividers as shown in the illustration.  
30  
Supplementary Information  
Supplementary Information  
Removable Charging Platform  
NiMH Battery Technology  
LED Indicators  
Optional Accessories  
Troubleshooting  
31  
33  
34  
35  
36  
38  
40  
41  
Warranty  
Contacting Listen  
Removable Charging Platform  
Listen 8 and 16 slot charging platforms can be used without the carrying case. If you desire to place  
the platform on a table, shelf or in a drawer to minimize the space required for charging, the foam  
platform can be used separately. The removable charging  
platform is available on the 8 and 16 unit charging cases  
only (LA-321, LA-324, LA-311 and LA-325).  
To Remove Platform:  
1
2
Open case.  
Hold case, while gently pulling the right side of the foam  
charging platform upward.  
2
3
4
Unplug charging wire at the 2 pin connection located  
under the foam platform.  
Attach external charging adapter cable (included)  
to the foam charging platform connector.  
4
5
6
Plug in power supply to adapter cable.  
Charge units. (see charging instructions for your case)  
33  
NiMH Battery Technology  
Listen LA-362 NiMH batteries are industrial grade and provide constant current to Listen products.  
These batteries provide 2100 milliamp hours (mAh) of storage capacity. When used with Listen  
supplied batteries, Listen products should provide the following operational time after batteries are  
fully charged:  
Receivers:  
15 hours  
Transmitters: 8 hours  
Listen recommends that new batteries be put through two-charge cycles prior to use.  
Nickel Metal Hydride (NiMH) batteries have no memory effect, so each charge offers full  
recharge capacity.  
NiMH batteries can be repeatedly charged to full capacity from any level of capacity.  
NiMH batteries typically maintain optimal performance for 500 to 700 charge cycles. Listen  
recommends that batteries be replaced after 2 years of service or whenever the batteries  
no longer hold a charge.  
Please note that NiMH batteries should be recharged if they have been sitting idle for more than  
two months, as they lose around 20-30% of their charge each month.  
To avoid battery discharge while not using Listen products, it is recommended to leave units in a  
powered case, as the maintenance charge will ensure the batteries remain at full charge. Make  
sure the case lid remains open or removed. The charging process generates heat and ventilation  
is required.  
34  
LED Indicators  
Portable Receivers (LR-300, LR-400, LR-500)  
Unit is operating  
Continuous ON  
Red LED  
Slow flash  
Batteries are low  
Slow flash while charging  
Charging in progress  
Portable Transmitters (LT-700)  
Unit is operating  
Continuous ON  
Slow flash  
Batteries are low  
Red LED  
Slow flash while charging  
Fast flash  
Charging in progress  
Audio mute is active  
Charging/Carrying Cases (LA-311, LA-317, LA-321, LA-323, LA-324, LA-325)  
Continuous ON  
Power to case  
Green LED  
Continuous OFF  
No power to case  
3ꢂ  
Optional Accessories  
Case Options  
This sturdy nylon case can be used to store and  
transport 1 to 3 portable products and accessories.  
Dimensions: 8.00 x 3.00 x 7.00 in. (7.6 x 17.7 x 20.2 cm)  
H x W x D.  
LA-306  
Listen Soft Case  
The protective pouch is great for outside or dusty  
environments. Belt clip and connectors accessible  
through windows and openings.  
LA-319  
Protective Pouch  
3ꢃ  
Optional Accessories  
Power/Charging Options  
Longer life than NiCAD without the “memory effect.”  
Required for use in charging cases. Package of two  
AA batteries  
LA-362  
Listen NiMH  
Rechargeable AA  
Batteries  
Use to power individual portable units without  
batteries, or to charge units with NiMH batteries.  
115VAC/7.5VDC  
LA-202  
Power/Charging  
Supply  
3ꢄ  
4-Unit Troubleshooting  
Troubleshooting  
The batteries seem to drain when left in the case.  
Make sure unit’s volume wheel remains in the “off” position when stored in the case. It is  
possible to turn units on when placing them in carrying pockets.  
The red LED on my portable product does not flash when connected in charging case (which  
indicates charging is not occurring.)  
Make sure unit’s volume wheel remains in the “off” position when stored in the case. It  
is possible to turn units on when placing them in carrying pockets. Check that there is  
power to the case, this is verified by the green LED next to the power connection being  
lit. The batteries may be completely discharged. In this situation, leave the unit in the  
charging case for 5-10 minutes, while the batteries are reconditioned. Verify tight  
connection between charging wire and unit. Verify unit battery switch is in NiMH position.  
3ꢁ  
8-Unit & 16-Unit Troubleshooting  
Troubleshooting  
The red LED on my portable receiver does not flash when product is placed in the charging case  
(which indicates charging is not occurring.)  
Check that there is power to the case, this is verified by the green LED next to the power connection  
being lit. Make sure that the plug underneath the removal charging platform is connected. Verify unit  
is seated correctly and is making contact with the charging pins. Some minor adjustments of the unit’s  
position in the charging pocket may be required. The batteries may be completely discharged. In this  
situation, leave the unit in the charging case for 5-10 minutes, while the batteries are reconditioned.  
Verify unit battery switch is in NiMH position.  
The red LED on the LT-700 does not flash when product is placed in the charging case  
(which indicates charging is not occurring.)  
Verify issues related to portable receivers are not present. If unit was manufactured prior to 2003, unit  
will need to be turned “on” for charging to begin. Once these units begin charging, they may be  
turned “off”. Verify unit battery switch is in NiMH position.  
The LCD on the product goes dark during charging.  
This is normal, discoloration of the LCD may occur during charging. This does not affect the  
performance of the product, and the LCD will return to normal after charging is complete.  
The product operates for a short amount of time after charging before it needs to be charged again  
(less than 5 hours).  
Verify the batteries are less than 2 years old and have not exceeded 500 charge cycles. Replace  
the batteries if necessary. Verify the units receive proper amount of charging time between each  
use. A complete charge takes 14 hours. Listen recommends charging products overnight for best  
performance.  
3ꢅ  
Warranty  
Warranty  
Listen Technologies Corporation (Listen) warrants its transmitters and receivers (LT-82, LT-700, LT-800, LR-100,  
LR-42, LR-44, LR-300, LR-400, LR-500, LR-600) 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 its Stationary IR Radiators (LA-140) 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 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.  
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 occurred 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.  
ꢀ0  
Contacting Listen  
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 Salt Lake City, Utah U.S.A. and are open Monday  
through Friday, 8am to 5pm Mountain Time.  
14912 Heritagecrest Way  
Salt Lake City, Utah 84065-4818  
801.233.8992  
North America  
800.330.0891  
801.233.8995  
fax  
ꢀ1  
Notes  
Listen Technologies Corporation  
1ꢀꢅ12 Heritagecrest Way  
Salt Lake City, Utah ꢁꢀ0ꢃꢂ-ꢀꢁ1ꢁ U.S.A.  
ꢁ01.233.ꢁꢅꢅ2  
North America  
ꢁ00.330.0ꢁꢅ1  
ꢁ01.233.ꢁꢅꢅꢂ  
fax  
www.listentech.com  
Printed in the United States of America  
®
© 200ꢃ Listen Technologies Corporation All Rights Reserved 200ꢄ 200ꢄ0103  

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