Reset Back to IPC Default

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I have been tasked with doing a comparison between our company component library for a few device types (our own .dat file we have changed from IPC standard over the last several years to fit our mfg requirements) and that of IPC directly. 
However I do not see how to reset the Default Preference Source back to "IPC Internal Defaults". 

How can I reset it? It will not allow me to type in the preference field to change the name or location of this source file. 

And I do not know where the program has located the "IPC Internal Defaults" .dat file on my computer.

I have the latest version installed 2016.10

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caclark Members Profile Send Private Message Find Members Posts Add to Buddy List Advanced User Joined: 24 Oct 2012 Location: Cincinnati, OH Status: Offline Points: 177	Post Options Post Reply Quote caclark Report Post Thanks(0) Quote Reply Topic: Reset Back to IPC Default Posted: 07 Sep 2016 at 8:30am
	I have been tasked with doing a comparison between our company component library for a few device types (our own .dat file we have changed from IPC standard over the last several years to fit our mfg requirements) and that of IPC directly. However I do not see how to reset the Default Preference Source back to "IPC Internal Defaults". How can I reset it? It will not allow me to type in the preference field to change the name or location of this source file. And I do not know where the program has located the "IPC Internal Defaults" .dat file on my computer. I have the latest version installed 2016.10



Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5718	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 07 Sep 2016 at 10:44am
	In the Preferences menu select "New" to go back to IPC-7351B In Preferences menu select "Open > IPC-7351C Proposal.dat" to open the new standard. The default Toe, Heel and Side values for both standards are located in this Library Expert folder: C:\Program Files (x86)\PCB Libraries\Library Expert 2016\Documents IPC-7351B Solder Joint Goal Tables v1.3.xlsx IPC-7351C (Proposed) Solder Joint Goal Tables v1.3.xlsx You can open these spreadsheets to do a side by side comparison. You can always change the Toe, Heel and Side values to whatever your manufacturer requires.
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