i have set my dynamixel servo so that it can only rotate by 90 or -90 degrees. i set this using buttons on my display. now i want to set the current of the servo, as i want to increase or decrease the torque of the servo. can i do this using the current? for example, i was thinking that the value range of the servo is 0-2.047 at 2.69 mA per unit and i can set the slider to this value range. would the torque of the servo then change as i set the current?