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Get Assistance with FRED

If you need help navigating FRED or understanding its features, check out our helpful videos and articles. Whether you're just starting or looking to dive deeper into advanced functionalities, our resources offer clear instructions to guide you through every step. Explore the articles to enhance your knowledge and make the most of FRED's capabilities.

Frequently Asked Questions

Most Common Questions

Pre-sales Questions

How many rays can FRED raytrace?
What is the recommended computer configuration for running FRED?
What versions of FRED are available? Will I need to buy any additional add-ons?
How frequently are updates released?

Installation and Licensing

Can I use multiple network USB dongles on the same computer?
How Do I Install FRED on My Network and Set Up a SuperPro Network Key?
I recently upgraded FRED, and my network license has stopped working. What should I do?
How to Set Up Client Computer License Search for a Network Key?
How to Update Sentinel License Authorization?
What are the Sentinel Error Codes and Their Meanings?
What is a Sentinel Type Single-User Softkey License and How Does It Work?
How Do I Install a Single-User Sentinel Softkey on My Client Computer?
How do I install a Network Type Sentinel Softkey for FRED?
How to check my dongle serial number
How to check my dongle serial number
Moving (rehosting) a Sentinel Softkey
Overview of Licensing Terms and Authorization for FRED Software
Should I uninstall older versions of FRED before installing a newer version?
Why does my FRED copy show an expiration date if the licenses are permanent?
How do I enter my license authorization and update my license codes?
Where can I obtain the USB key drivers?

Technical Questions

My 3D visualization view is slow and unresponsive. What can I do?
My 3D visualization view freezes and/or crashes. What can I do?
My computer crashed, and I didn't save my FRED File. What can I do?
Why don't I see the expected speed improvements with my multi-core computer?
How Do I Restore Lost Toolbars or Windows in FRED?
How can I model a partially coherent source in FRED?
How to create a solar source model in FRED?
How to customize the chart view in FRED?
Chart customization in FRED
Why am I unable to write frame #a to page file #b in FRED?
What should I do if I am unable to allocate memory for RayBuffer (RBV) in FRED?
What need I do if I get "Insufficient disk space" error when creating a ray buffer pagefile in FRED?
How do I attach analysis planes to NURB surfaces in FRED?
What should I verify if a surface appears incorrect despite accurate data entry in FRED?
How can I create some basic shapes in FRED?
"Error - Not enough storage to complete this operation" in FRED?
How do I manipulate the position and orientation of an object in a script in FRED?
Why aren't my script commands being recognized by the editor in FRED?

Getting Started Guide

Preference Optimization
Isolating Stray Light Contribution
Ray Ancestry
Linking scripts to toolbar buttons
Defining Custom Views
Analysis Surface Ray Filters
Rays Halting Unexpectedly
Saving Analysis Data
Setting Pixel Size
Difference Between "Trace and Render" and "Trace All Sources"
Rays drawn with dashed lines
Troubleshooting - Stray Light Report Unavailable
Remote Desktop Access
Monitoring network license usage
Monitoring variables in a script
Customizing the Toolbar in FRED
Changing items' names in the Object Tree in FRED
How to select a ray path to trace sequentially