![](http://pdfasset.owneriq.net/6/b8/6b8cfa8b-1c89-49f6-8b6a-0ddae654b950/6b8cfa8b-1c89-49f6-8b6a-0ddae654b950-bgbd.png)
5. Select the desired Key Type. When 2WAY-REC, 2WAY-TRN, or VTR is selected, enter the extension
number in DN.
6. Click OK. The Flexible CO Key screen (for all CO keys) is displayed again.
7. Click OK. The 4-2 Extension Line screen is displayed again.
8. Click OK or Apply.
9. Repeat these steps for each extension.
Document Version 3.0 2010/06 Installation Manual 189
7.3.2 Button Assignment via PC Programming