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Basic Operation of the M400E Analyzer M400E Ozone Analyzer Operator’s Manual
6.2. SAMPLE MODE
This is the analyzer’s standard operating mode. In this mode, the instrument is a calculating O
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concentrations.
The M400E analyzer is a computer-controlled analyzer with a dynamic menu interface for easy and yet powerful
and flexible operation. All major operations are controlled from the front panel display and keyboard through
these user-friendly menus.
To assist in navigating the system’s software, a series of menu trees can be found in Appendix A of this manual.
NOTE
The flowcharts in this chapter depict the manner in which the front panel display/keyboard interface is
used to operate the M400E photometric ozone analyzer.
They depict typical representations of the display during the various operations being described.
They are not intended to be exact and may differ slightly from the actual display of your system.
NOTE
The ENTR key may disappear if you select a setting that is invalid or out of the allowable range for that
parameter, such as trying to set the 24-hour clock to 25:00:00. Once you adjust the setting to an
allowable value, the ENTR key will re-appear.
This section covers the software features of the M400E analyzer that are designed as a computer controlled
6.2.1. TEST FUNCTIONS
A variety of TEST functions are available for viewing at the front panel whenever the analyzer is at the MAIN
MENU. These functions provide information about the present operating status of the analyzer and are useful
during troubleshooting (see Chapter 13). Table 6-2 lists the available TEST functions.
To view these TEST functions, press,
Figure 6-2: Viewing M400E Test Functions
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