Change Font

In order to change the font in the tables,
1. Select a root topic in the tree view, then click [Default Font] button.
Change font

2. Choose the style you’d like.
change-font-style

This font style will apply to all the texts in the project and also set as a default.

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Set default object size

You can specify the default size for Components and Notes when you create them in Control Structure Diagrams and Control Loop Diagrams.

Go to [Tools] – [System Properties] – [STAMP/STPA] – [Default Item Size].
Tick the check box and enter the size for width and height you want to set as a default, then click [Apply] – [OK].
default-object-size

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Set default object color

You can specify the default color for the objects such as Components, Feedback lines and Control Action lines…etc in Control Structure Diagrams and Control Loop Diagrams from [Tools] – [System Properties] – [STAMP/STPA] – [Default Item Color].
default-color-of-objects

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Disable automatic ID creation

When you create preconditions, accidents, hazards, Safety Constraints…etc. Astah System Safety automatically gives ID for each item you define by default. If you wish not Astah to give ID, you can change so by going to [Tools] – [System Properties] – [STAMP/STPA] – [Other] and tick off the box.
disable-automatic-id-creation