3M 900AST manual Move Cursor, TDR Save for Coaxial Wiring Comparison

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3MAdvanced Systems Tester 900AST Series

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.

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Contents Advanced Systems Tester 900AST Series Coaxial Wire Testing December 78-8135-6156-6-ASetup for Use Keypad Contrast and Backlighting Function KeysConnecting to Coaxial Wires for Testing CAUTIONTDR Setup TDR Test Modes Single TraceDual Trace MemoryPeak TDR Save for Coaxial Wiring Comparison Move CursorEvent Recognition Target Contact Open CircuitBranch Circuit Resistance Faults on Coaxial CableShort Circuit Soak TestAuto TDR for Coaxial Fault Detection Auto TDR Resistive Faults Auto TDR Trace Analysis Care and Maintenance Restoring the Aircraft After Testing/ TroubleshootingImportant Notice