19.8.2 Operation - Using a Trend Graph to View Historical Data

Touch the "Display Historical Data" switch ([DISP]) to switch to Display Historical Data Mode.

Touch Scroll for Old Data Switch, and you can scroll back to previous data on the display. To exit Display Historical Data Mode, touch the "Display Historical Data" switch again, or switch the screen.

When you erase data samples stored in the display unit, Historical Data cannot be displayed.
While in Display Historical Data mode, new samples will not be displayed even if they occur. The display will update when Display Historical Data mode is released. Even while in Display Historical Data mode, data sampling continues.
You can check if the Historical Trend Graph is in Display Historical Data mode by using the system variable #H_Status_HistoricalTrend. For more information about system variables, please see the following.
A.2.2.1 Bit Type - #H System Variables

When [Back Up Sampling Data] is selected in the [Mode] tab in the common settings [Sampling Settings], you can use Show Cursor and the search functions described below.