3M 900AST Series, Инструкция по эксплуатации

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3M
™
Advanced Systems Tester 900AST Series
50
TDR Save
Approximately 200 TDR screenshots can be saved.
The percentage of remaining memory for results
storage is shown in the box at the top of the “Save
Results” screen. You can save only the active
“Single Trace” TDR screen. First, select the TDR
control parameters so the screen displays the trace
as desired. Press the
key. The 900AST tester
will display the Save Results screen as follows:
The date and time displayed is the 900AST tester
“system clock.” See the “Set Clock” section of this
manual for further information on setting the clock
and the format of the date and time.
Use the blue keys to enter an alphanumeric ID. The
ID may have up to twelve digits. Because there
are not enough keys for all twenty-six letters, each
of the number keys (except “1”) also functions
as letter keys for ID entry. Whether a number or
letter is entered depends on how many times the
key is pressed. As an example, if the Ohms key is
pressed once, the number “3” will be displayed. If
the same key is pressed twice, the letter “d” will
be displayed, three times for the letter “e” and four
times for the letter “f”. When the desired number or
letter is displayed, press any other key to insert the
next number or letter. This will cause the previously
entered characters to move to the left making room
for the new character.
If the same key needs to
be used multiple times in a row (i.e. to enter the