RIEVTECH STUDIO SOFTWARE MANUAL The “ Bit-index within a Byte Register ” function can be used. You need to check the “ Bit-index within a Byte Register ” , as shown as below. You can use the Address Index function. This function can change the bit address which is connected with the current component according to the value of a word address. For example, the bit address LB0 is connected with the current component. If you check the Address Index and set the address as LW0, as shown as below, the bit address which is connected with the current component will be LB (0 + LW0). 480