PC-IP Software
User’s Manual
Figure 5-12 shows the typical recalled Upstream Spectrum display. Markers provide the frequency indication and level where the marker is positioned. Markers 1, 2 and 3 are fixed to the points where the measurements were made when the test results were saved. A blue cursor is also provided, which may be moved by clicking and holding down on the button while dragging the cursor to the desired location.
The technician name, type of file and file name are displayed in the upper right area of the screen. The display will automatically configure itself to best display the type of signal that is being measured
Bar Graphs – Bar graphs are displayed of the signal within the spectrum.
Vertical Scale - The vertical scale is auto ranging and may be changed by clicking on the scale and dragging it to the desired range.
Plot - The Plot area of the display provides the range for the vertical and horizontal scale of the bar graph display. The left box is the beginning channel of the horizontal axis. The right box is the ending channel on the horizontal axis. The top box is the maximum level displayed on the vertical axis and the lower box is the minimum level displayed on the vertical axis. The user may change the settings by clicking on the desired box and entering the new data.
Zoom Box – Clicking on the Zoom Box button, as shown in the Figure 5-12, allows the user to place a box over the area of the bar graph that he wishes to view.
To place the Zoom Box, place the cursor over the upper left most area of the bar graph to be viewed and hold down the mouse button while dragging the box to the lower right most area to be included in the view and release the mouse button.
Auto Range – Clicking the Auto Range button automatically scales the Scan bar graph to best display the measurement results.
Zoom Out – Clicking the Zoom Out button automatically zooms out to the maximum vertical and horizontal scale.
