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Laurel Electronics LTS6 - Manual User Manual

Page 14

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WHEN TO CHANGE JUMPERS

Most users will never have the need to open the transmitter case. Our transmitters are shipped
fully jumpered and ready for scaling. The transmitter type is specified by the model number on the
transmitter label.

The selection serial signal (RS232 or RS485) can be achieved by jumpers on the main board or
by external wiring, as documented on the previous page. The factory default setting for the serial
signal level is RS232.

HOW TO OPEN & CLOSE THE CASE

The two clamshell halves of the case are held together by 4 nuts and 4 bolts. Removing these
allows opening the case. Be careful not to lose the nuts, which are not captive in the case. When
closing the case, make sure that the ventilation grills are properly aligned.