
3M™ Advanced Systems Tester 900AST Series
TDR Setup
The TDR features a setup function that allows you to select the type of Coaxial wire to be tested.
From the TDR Menu, press the | Setup key to | |||
enter the TDR Setup. |
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Press the | select key and the | and | arrow | |
keys to highlight coaxial cable for wire type. |
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Use the | select key to move to the wire gauge | |||
box. Use the | and | keys to highlight the type |
of coaxial cable to be tested and select ‘minimum possible’ or ‘last used’ initial measurement length setting.
Note: The 900AST tester maintains modified Vp settings in internal memory. Press the key in the TDR Setup screen to restore original default Vp settings for all wire types.
Use the blue numeric keys changes the velocity factor for the selected coaxial wire type or use the default setting.
Press the enter key | to accept changes and |
proceed. |
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