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CE4000 Cable Explorer TDR
User Manual
42
Manual TDR Measurements
The Manual measurement mode allows you to set manually all
of the TDR controls for maximum test flexibility, but requires
more than the one-button operation of the Auto test mode.
Manual TDR operation is not complex if time is taken to review
TDR basics in Chapter 2 of this manual and carefully follow the
outlined procedures in this Operational section.
Figure 3-12
To access the Manual test screen from the Main Menu (Figure
3-12), use the UP/DOWN or LEFT/RIGHT arrows to highlight
the Manual icon and then press Enter (F4).
The CE4000 will use automatically the VOP setting last selected
in the Setup procedure. The VOP data is preserved, even when
the CE4000 is turned off. The initial Manual screen is configured
based on the results of an Auto test.
MANUAL
The initial screen will take several seconds to appear, as the
initial auto test is being performed. A progress bar is displayed
with the text “ Initializing”. Once the tests are completed, the
Manual test screen is displayed (Figure 3-13). The tested cable
VOP is shown in the upper right corner. The Pulse Width,
Horizontal Gain and Position, Vertical Gain and Markers are all
set automatically, but may be manually controlled by the user
with the function and arrow keys.