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©2013 Technical Marine Service, Inc. LC-100 V2.97
The LevelCom 100 must be configured to use the Modbus protocol. It may also alternately
be configured to use a TMS proprietary protocol using checksums for error detection or not.
1. At SYSTEM press UP, the unit will display UTILITIES.
2. Press ENTER. The unit will display COMM SETUP.
3. Press ENTER. The unit will display NETWORK ADDRESS.
4. Press DOWN three times. The unit will display PROTOCOL.
5. Press ENTER. The unit will display NO CHK.
6. Press UP or DOWN to scroll to the required protocol. The possibilities are NO CHK for
TMS protocol without checksums for error detection, CHK for TMS protocol with
checksums for error detection, and MODBUS for Modbus RTU protocol.
7. With the desired protocol setting showing on the display, press MENU to select. An
asterisk will show on the right side of the character display
8. Press ENTER to save the selection. SAVING will appear briefly on the display. The
display will return to PROTOCOL.
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