3. Getting Started
Table 3.4 (Continued) MENU Button and Menus
Menu Selection Purpose/Action
▷ ▷ Temp Comp Toggles display of Temp Comp autocalibration status.
▷ ▷ Min/Max Display Toggles display of min/max values for high-resolution
sampling.
▷ ▷ Horiz. Vert. Ruler Toggles display of horizontal and vertical rulers.
▷ ▷ Noise Value Toggles display of noise value at cursor for diagnostic
purposes.
▷ ▷ Vert. Shift Correction Toggles the Vertical Shift Correction option. When
on, corrects the vertical shift that can happen when
changing the DUT.
▷ ▷ Time of Flight Shows Time of Flight time measurements. The
standard nanoseconds display shows electrical time for
a pulse to reach a point and then return to the
CT100B.
Time of Flight is exactly half that value. It is the
one-way transmission time.
▷ ▷ Vert Centering On/Off When on, changes to vertical scale will center on the
point where the cursor intersects the selected trace.
When off, changes to vertical scale will center on the
center of the screen.
▷ ▷ Draw Internal Cable Bkgnd Changes the background color of the trace from the
start of the trace to the end of the internal cable.
▷ ▷ Set/Clear Zero Offset Sets a non-standard zero point to use when displaying
horizontal distance. This could be used to exclude a
test harness or adapter cable from the starting point.
▷ ▷ Auto Smooth Reset On/Off When on, the CT100B will automatically reset
smoothing when a change in load is detected by the
device.
▷ ▷ Long Trace Progress On/Off When on, draws a progress bar when scanning long,
slow (high-resolution) traces.
▷ ▷ Scale Toggles display of horizontal and vertical scales and
Vp.
▷ ▷ Intersection Toggles display of cursor-trace intersection.
▷ ▷ Decibels Toggles display of decibel (dB) values at cursor.
▷ ▷ Temperature Toggles display of instrument internal temperature.
30 CT100B TDR Cable Analyzers Operator’s Manual