3M Advanced Systems Tester 900AST Series
10
Length allows you to set the distance (or span) from
the left side of the screen to the right side. The left
side of the screen is at the end of the BNC test lead
and the right side is the farthest distance that can be
displayed with the selected length
Use the or keys to move forward or
backward through the TDR controls. Use the
and keys to change the parameters for the
control selected.
Available controls are Length, Filter, VP, Pulse, and
Gain. Individual controls and their parameters are
described in the 900AST Series Instruction Manual.
Move Cursor
Note: The 900AST tester automatically compensates
for the length of the special TDR test leads.
Zero distance is at the end of the test lead
BNC male connector.
Always place the cursor to the left side of an event
to mark its location. Use the and arrow
keys to move the cursor across the screen. The
distance from the 900AST tester to the cursor is
always shown in the center of the distance bar. The
left side of the screen is at the end of the test leads,
and the right side is the farthest distance that can be
displayed with the selected length.
TDR Save for Coaxial Wiring Comparison
Approximately 200 TDR screenshots can be saved.
You can save only the active “Single Trace” TDR
screen.
Select the TDR control parameters so the screen
displays the trace as desired.