Invalid time range Enter the column index which stores the time vector: (e.g. 25) Enter the row index which stores the time vector: (e.g. 34) Time Series Tools What''s This Select a row/column which contains the time vector. Time First value Put in the starting point of the time range in a proper format, and the import wizard will automatically locate the valid time points with the user-defined range. Last value Put in the ending point of the time range in a proper format, and the import wizard will automatically locate the valid time points with the user-defined range. Format Units Select a proper time unit or date format weeks days hours minutes seconds milliseconds microseconds nanoseconds