Campbell Scientific RTDM Real-Time Data Monitoring Software - Manual (Page 16)

RTDM Version 2.1 – Real Time Data Monitor
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When started you will be presented with a selection screen as shown below.
Select the project file (which will have an extension of *.rdp) you wish to run.
This screen also enables you place a shortcut on your desktop for quick access
to the runtime application, and to give it a unique caption
See on-line help for more detail on Run Mode.
4.1 Run-Time Display Manipulation
When in run mode your charts will normally update according to the
parameters you have chosen. The scroll/pan and zoom facilities exist so that
you can manipulate your charts in order to examine historical data or to enlarge
specific portions of the chart.
4.1.1 Scroll/Pan
You can scroll/pan a chart to examine older data by clicking and holding the
right mouse button and dragging the chart contents in any direction. When in
this mode, real time display (but not collection) is suspended and a small clock
face appears on the upper right of the chart. To return to real-time scrolling,
click on this clock.
4.1.2 Zoom
To enlarge a section of the chart you can click and hold the left mouse button
and drag the mouse to describe a box or frame. On releasing the mouse button
the contents of this frame will be enlarged. This process can be repeated on the
enlarged data until you get the level of detail you require. When in this mode,
real time display (but not collection) is suspended and a small clock face
appears on the upper right of the chart. To return to real-time scrolling, click on
this clock.
4.1.3 Exact Point Values
The exact value of any point on a chart (except meters) can be displayed by
clicking the left mouse button on, or slightly below, the point on the chart
required. The value will be displayed until the button is released.