RIEVTECH STUDIO SOFTWARE MANUAL 6.1.2 Bit Register LB: An internal "Bit Register" in HMI. The data is lost when the power is off. The register address is 0 - 799,999. SRB : A special internal "Bit Register" in HMI.The register address range is 0 - 11023. You can click the "System register" button and open the "System Special Function Register" to get the specific function of each SRB register when you use the component such as “ Bit Set ” . The “ Description ” introduces the function of the selected register. For example, SRB16 is ON when the touch screen is pressed. 576