The Time-code format and Frame Rate are some of the more sensitive settings when it comes to working with a subtitle document. Modifying these settings can affect precision in accurately calculating the position in the video from the subtitle Start and End time-codes, especially when switching between time-code formats (milliseconds vs frames). It is for this reason that they are categorized as advanced options and disabled by default.  The user can however choose to override these settings in cases where the Frame Rate interpreted by the plugin was incorrect or possibly, the user prefers to work in different Time-code format (e.g. in Frames as opposed to Milliseconds).

Procedure

1. Go to Subitling Preview > Options
2. Check the 'Enable Advanced Options' checkbox
   Note: The Time-code format and Frame Rate options are enabled when the checkbox is checked and can be updated by the user.  The only exception to this is when a video is also assigned; then the Frame Rate remains disabled as it is inherited from the video.