3M Official Manual for 900AST Advanced Systems Tester

Page 14

3MAdvanced Systems Tester 900AST Series

Connect the 900AST test leads to the coaxial conductor under test.

Press the

key to access the Soak test from the

Resistance screen.

Use the

key to save the active resistance to the

“Snap Shot” area.

Rising resistance in the active box typically indicates moisture while falling resistance indicates corrosion.

Auto TDR for Coaxial Fault Detection

Use the Auto TDR function to have the 900AST tester analyze and interpret a TDR coaxial cable trace.

The Auto TDR function imports the coaxial configuration selected in the TDR function using the Setup key.

14

Image 14
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