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Advanced Systems Tester 900AST Series

Control Keys

Use the red and yellow keys to control the setup and

control of the 900AST tester and its functions. The

active control keys for each function are shown at the

bottom of the corresponding 900AST screen.

Use the [Return] key to return to a

previous step in a function.

Use the [Contrast] key to adjust the

contrast or to turn the backlight on or off.

Use the [Save] key for storing TDR traces.

Use the [On/Off] key to turn the 900AST

power on or off (also see “Power Down

Timeout”).

Use the [Tab] key to select between

different options.

Use the [Setup] key to change the setup of

a function.

Use the [Help] key to get context sensitive

help with any screen or function.

Use the [Enter] key to accept changes or

move to the next step in a function.

Use the

[Up]

and

[Down]

keys to

scroll to different menu options or

insert/delete characters when

editing.

Use the [Left] and [Right] keys to

move between different options or

move the TDR cursor.

Use to insert a space to the left of the cursor.

Use to delete the character above the cursor.

Use to add a ‘dash’ in a record name or a minus

sign when entering sub-zero temperature.

Edit

Use the following keys when creating record ID’s for

stored TDR traces:

3M 900AST Series User Manual

Questions and Answers: