Typically the 4 wires are heater power, heater ground, sensor ground, and sensor element
connection. Proceed as for the 3-wire sensor.
11.2 Using a Serial Remote LCD Display
The optional serial remote LCD display ( LMD) connects to the serial port of the LM-1. It has the
identical display functions as the built-in LCD display and also provides a 'Record' button.To use
the LMD click on the serial display button on the main screen of the LM-1 Manager. The software
in the LM-1 will be changed to use the serial display. The built-in LCD display of the LM-1 will no
longer be used. LMD is powered by the serial interface from the LM-1 and does not require any
other power connections.
The serial cable has a length of 10 feet.
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