La-140 quick reference – Listen Technologies Stationary LA-350 User Manual
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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 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 radiator here. 5)2XWSXW Output RF signal to an additional radiator here. 3RZHU,QSXW&RQQHFWSRZHUKHUH &DUULHU3UHVHQW*UHHQ This green LED is lit when there is signal present to the radiator. During normal operation the red and green LEDs will be continuously lit. 'HOD\&RPSHQVDWLRQ6ZLWFK Adjust the amount of signal delay from the radiator here. In single radiator systems the position of this switch does not matter, in multiple radiator systems this switch must be set properly. see page 56 7HUPLQDWLRQ6ZLWFK,IWKHUHLVQR RF being output from the RF Output connection, this switch must be in the “ON” position. 3RZHU2XWSXW2XWSXWSRZHUKHUH /(',QGLFDWRU6KXWRII6ZLWFK6: Controls LED indicators on front of &RPSDWLELOLW\ZLWK2WKHU0DQXIDFWXUHU·V transmitter/modulator it is necessary “OFF” position when using a Listen LT-82
radiator. If switch is set to the “OFF”
position, LEDs will not light up on
front of radiator.
6ZLWFK6:,IXVLQJD/LVWHQ/$
5DGLDWRUZLWKDQRWKHUPDQXIDFWXUHU·V
to put this switch in the “ON” position.
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Transmitter.