BSL PRO Software Guide - Biopac

158 Part DTaking a Measurement1) Select a channel for measurement. The PRO software can display measurements for the selected channel (asdenoted by an “SC” in the measurement box) or for any other channel. By default, the software displaysmeasurements from the selected channel. To select a different channel, position the cursor over the part of themeasurement window that reads “SC.” Click the mouse button and choose a channel number from the pop-upmenu. The channel numbers in the pop-up menu correspond to the numbers in the channel boxes in the upperleft corner of the graph window. Note: If “none” is chosen as the measurement function in the adjoining box, nomeasurement value will be displayed.2) Select a measurement area. Use the I-beam cursor to select an area to measure. It is important to rememberthat the I-beam always selects at least one sample point. If a single point measurement function is chosen (suchas Time), the measurement will reflect the last selected point in the defined area.Single-point measurements:When a single point is selected, there is noarea defined and the I-beam cursor will“blink.” The graph to the right shows howmeasurements for a single point can beselected with the I-beam. The cursor willflash when a single point is selected.Selected range measurements:To select an area spanning multiple samplepoints, click-and-drag the I-beam cursor tohighlight the desired area (this is similar tohighlighting in a word processor). See page750 for selection details.The following window shows how an areacan be selected for measurement with the I-beam.Note: If you have selected an area, butchosen a single point measurement function(such as Time), the measurement will reflectthe last selected point in the defined area.Visit the online support center at www.biopac.com