Listen LA-140 User Manual
Ground plane antenna (216 mhz)
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Also See for LA-140:
- User manual (62 pages) ,
- Quick reference card (2 pages) ,
- Quick reference card (2 pages)
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Summary of Contents for Listen LA-140
- Page 3 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.
- Page 5 LA-107 Contents Antenna base assembly Three ground radials Mounting Hardware 50 ft. (3 m) RG 58 coaxial cable with PL-259 and LA-127 connectors Extra LA-127 connectors User Manual (not shown)
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Page 7: Table Of Contents
Table of Contents Specifications Installation Mounting Shortening Coaxial Cable Supplementary Information Warranty Contacting Listen... -
Page 9: Specifications
LA-107 Specifications Specifications Specification Frequency Range Center Frequency Antenna Type Unity Gain Beam Width Mounting Size LA-107 216.0125 - 216.9875 MHz 216.5 MHz ¼ Wave, Ground Plane 0 db (unity) 360º Mast bracket up to 1.50 in. (4.0 cm) diameter 13.50 in. -
Page 10: Installation
Installation Screw ground radials into antenna base assembly and secure with tightening nuts. Mount your antenna in a strategic location. See “Mounting Your LA-107” on the following page. Connect the PL-259 end of coaxial cable to the base of the antenna Run coaxial cable to the LT-800 transmitter and connect the LA-127 to the Auxiliary Antenna connection on the back of the unit. -
Page 11: Mounting
Mounting Your LA-107 Mount the antenna in a strategic location. Your antenna may be placed either indoors or outdoors. If mounted outside, the highest elevation should not exceed 100 feet (30.5 m). The antenna should be placed in a location that will provide the best line of sight to the receivers. -
Page 12: Shortening Coaxial Cable
Shortening the Coaxial Cable (optional) The coaxial cable from the LT-800 to the antenna should be kept as short as possible. Listen has included an extra LA-127 BNC connection to install if the length can be shortened. Cut Coaxial cable to desired length leaving PL-259 connection. -
Page 13: Supplementary Information
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. -
Page 14: 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. - Page 16 Listen Technologies Corporation 1912 Heritagecrest Way Salt Lake City, Utah 0-1 U.S.A. 01.2.992 00.0.091 North America 01.2.99 www.listentech.com info@listentech.com Printed in the United States of America © 200 Listen Technologies Corporation All Rights Reserved 200 200010 ®...