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6.1.1 Select trend diagrams for various parameters to be displayed:
Use the cursor to select the Parameter Selection option and revise the displayed contents. Upon
display of the expected parameter, press the knob, then the TREND diagram for this parameter
will be displayed in the window.
6.1.2 Select 1-hour or 120-hour TREND diagrams:
Use the cursor to select the Resolution option, then select 1 seconds or 5 seconds if you want to
observe 1-hour TREND, or select 1 minute, 5 minutes or 10 minutes if you want to observe
96-hour TREND.
6.1.3 Observe TREND diagrams of later or earlier duration:
Press the “ or ” button or rotate the knob clockwise or anticlockwise so as to observe later
or earlier TREND curves.
6.1.4 Change the display zoom
Use the “ or ” button to change displayed size of the vertical axis, while displayed size of
the TREND curves will follow to change. Values higher than the biggest axis value will be
represented by the biggest axis value.
6.1.5 Obtain the TREND data at certain time in the current
TREND diagram
Select “Cursor” and rotate the knob to “ ” or “ ” control movement of the cursor;
with the cursor moves, its arrowed time also changes, and the parameter value at such time will be
displayed below the horizontal axis. If there is a “
” indication in the right side of the window,
when the cursor moves onto this indication the TREND diagram will automatically page down to
display later TREND curves; and if there is a “
” indication in the left side of the window, when
the cursor moves onto this indication the TREND diagram will automatically page up to display
earlier TREND curves.
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