MER-2040 Software Instruction Manual
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mode, choose Option <4>. You will see the file "DEMOPLOT.PLT" listed. Select this file and
press <ENTER>. After making all necessary changes to the plotting parameters, press
<ENTER> and you will be returned to the Selected Parameters window shown in Figure 2.1.
Figure 2.4. M24-PROF Present Plotting Parameters.
At this point, you should prepare to launch the instrument over the side. At the bottom of the
screen is a menu by which you can control your instrument and data acquisition. Section 2.3
will describe each of the menu options. Data will not be recorded until the <F4> key is pressed.
At this point, if you selected the Option for graphics display, data will be plotted as shown in
Figure 2.5. Data will be recorded to disk, and will continue to be recorded until you stop data
collection.
It is recommended that you completely cover the MER sensor and record a
series of dark readings before and after each profile.
By analyzing these readings, you can
estimate the noise in each channel of the instrument (see Section 3.2, Option E). If you are
running the DEMO program, press <F4> to begin reading the example data file. The display
will show a simulated vertical profile until the end of the DEMO data file is reached. At this
point, the data parameters on the screen will stop changing and you may exit and end the
program by using <F9>.
