timestamp (default: true)
Prefixes each nonempty output line, including the first, with the host's local time in the format YYYYMMDDHHMMSS.mmm followed by a colon and a space. Blank lines are not prefixed. Both carriage return and line feed start a new line; a CR/LF pair does not add a second timestamp. Set timestamp to false to omit these output-line prefixes. This does not remove the separately written log header or its file-open date.

wmi (configuration-file setting; default: true)
This setting controls collection of Windows version and processor information for the log header. It is hidden in the current configuration utility, so it is not a checkbox in the Logfile [+] dialog. If host-information collection causes startup delays, stop the emulator and set wmi = false; inside the existing logfile block. This suppresses that optional host-information section, not the entire header, licensing information or file-open date.

The current [+] dialog exposes timestamp. File name and version count have separate controls beside it; see Avanti Log File for their defaults, retention behavior and file-sharing precautions. Older screenshots may show a wmi checkbox that is no longer exposed.