AlarmTemplateDateFmt
Controls the date format used in spoken (and other) alarms when the %D formatting variable is used.
The value may use any of date formatting codes, date formatting strings or phrase identifier keys within the default languages file. (Date Codes (predefined), Date Formatting Strings, Date and Time Phrase Keys)
DateFmtFullNumeric is a phrase key that evaluates to yyyy-MM-dd.
Section: System
Default: AlarmTemplateDateFmt = DateFmtFullNumeric
*No restart required (Settings.Dynamic property)