RIEVTECH STUDIO SOFTWARE MANUAL The “ Trend Graph ” component is a curve formed by the sampling data. 4.6.7.1.1 General l Display Points of EachHMI This option means the number of the displayed sampling data points on the screen. The default is 10.The max number of points can not more than the width of the used HMI resolution. For example, the 7-inch HMI device with the resolution 800*480 is used.Then the max number of points is 799. l Direction The option “ Direction ” is used to setthe display direction of the trend curve. It is set "Horizontal" by default. It can be set "Vertical", too. l Pause 231