GP-PRO/PB3's [Trend Graph] includes a feature of history display. GP-Pro EX is also able to display history data. However, if the following operation of history display was used in GP-PRO/PB3, it may not operate properly after conversion. Example of usage of GP-PRO/PB3's Trend Graph | | The graph normally works as a trend graph. To display history data, it calls a window. | | | The graph displays history data on a called window. The [Trend Operation Key] of the Special Switch, which operates the history data, operates on the window. | | | GP-Pro EX's Historical Trend Graph after conversion | The switches for [Historical Trend Graph], which are of Special Switch for history display, do not operate on the window. |  | NOTE | GP-PRO/PB3 enables the operation keys of history display on the window, on the other hand, GP-Pro EX doesn't. Please place the operation keys on the screen directly. | | |