3. Getting Started
With the keyboard off the screen, select the OK menu option to accept all changes to the current
dialog box and close the dialog box. Select the Cancel menu option to close the dialog box while
canceling all changes.
With a USB keyboard attached, entries can be changed directly. Use the Tab key to scroll down
through entry boxes and hold down Shift and press Tab to scroll up through entry boxes. Use
Backspace to delete the character before the cursor and use the arrow keys to move the cursor left
or right. Press Enter for OK or Escape for Cancel.
3.10.1.1. Scrolling Dialog Boxes
Some dialog boxes present a list of items to be selected. For an example of this type of dialog box,
press the FILE button, and then press Cable Scan Records (see Figure 3.8). Use the
M-FUNCTION knob to highlight individual items for selection, and then use the Select option to
choose the highlighted item. Where appropriate, multiple items can be marked for selection using
the options on the right-side menu: Toggle Selected, Clear All, and Mark All. When an item is
marked, it will appear in a different color.
Figure 3.8. An example of a dialog box with a list of items that can be scrolled through.
3.10.2. Display Features
The CT100B screen provides the operator with numerous features that may be useful in different
cable-testing situations. Figure 3.9 shows some of the typical features you will encounter during
use. Most of these features can be toggled on or off by pushing the blue MENU button and going
to Settings → Display. Many other features are available, however, and most of them are
configurable by the user. These features are described in detail throughout this manual.
32 CT100B TDR Cable Analyzers Operator’s Manual
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