Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 106)

<4. Display and Operations while Connected to GC8000>
4-59
IM 11B06C01-01E
5) Set up the scale for the ordinate. The following shows the setup conditions:
• Set the ordinate scale to either “Linear” or “Logarithmic”.
• For the ordinate scale display range, select one of “Auto”, “Manual”, and “Manual (Center
value)”. (If the ordinate scale is set to “Logarithmic”, “Manual (Center value)” cannot be
selected.)
• If “Manual” is selected, enter the “Maximum value” and “Minimum value” accordingly.
• If “Manual (Center value)” is selected, enter the “Center value”, “Range”, and “+-(%)”
accordingly.
• If necessary, set “Display or hide the upper and lower limits”. Add a check mark and enter
the value to display a horizontal line indicating the upper limit or lower limit on the graph. The
limits only indicate the data range and, even if a analysis result falls out of the range, other
operation (such as alarm) will not occur.
6) Click “OK” to display the graph. If the time axis range is set to “Auto Setup”. then the “being
updated automatically” message appears on the title bar.
Figure 4.73 Graph window
l Partial enlargement of graph
1) Click on Part Enlargement in the Graph menu.
2) The range can be specified by dragging a part you want to enlarge in the graph window.
3) The specified area is enlarged.
4) Select Undo in the Graph menu to restore the status before enlargement.
5th Edition : Nov. 16, 2011-00