LA-140 Quick Reference
Design Guide
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This yellow LED is lit when the radiator is not connected to a transmitter or radiator.
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This red LED is lit when
there is power to the radiator. 
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Input RF signal from a transmitter or radiator here. 
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Output RF signal to an additional radiator here. 
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Adjust the amount of signal delay |
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from the radiator here. In single |
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radiator systems the position |
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of this switch does not matter, |
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| RF being output from the RF | |
in multiple radiator systems this |
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| Output connection, this switch | |
switch must be set properly. |
| must be in the “ON” position. |
see page 56 |
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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.
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/(',QGLFDWRU6KXWRII6ZLWFK 6: Controls LED indicators on front of radiator. If switch is set to the “OFF” position, LEDs will not light up on front of radiator.
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5DGLDWRUZLWKDQRWKHUPDQXIDFWXUHU·V transmitter/modulator it is necessary to put this switch in the “ON” position.
,03257$17 $OZD\VHQVXUH6:LVLQWKH “OFF” position when using a Listen
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