<base> will show up in the log file, TOY, and NVRAM file name fields. <base> is comprised of the path and file name under which an Avanti configuration file is saved. For example, if a configuration file is saved as D:\Avanti\Alpha01.cfg, <base> will equate to D:\Avanti\Alpha01. This information is displayed on the far-right side of the configuration screen on the VLC line.
When a new configuration is created, <base> is not assigned a value until the configuration file is saved. Until the configuration file is saved, the <base> definition area will show the following text:
<base> will be defined when file is saved.