T400 Ozone Analyzer Operator’s Manual Communications Setup and Operation
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6.2.3. COM PORT TESTING
The serial ports can be tested for correct connection and output in the COM menu. This
test sends a string of 256 ‘w’ characters to the selected COMM port. While the test is
running, the red LED on the rear panel of the analyzer should flicker.
To initiate the test press the following button sequence.
06870C DCN6332