In addition to using the joystick to change the set point, you can use the jog controls, The Jog Controls move the set point a fixed increment with each click. The increment can be defined by the operator.

You can open the Job Controls window from the Control Bar on the left of the screen.

With Auto Heading on, click on the arrows surrounding the circle to move the set point for the heading to yaw left or right.

With Auto depth on, click on the up or down arrows to move the set point for the depth to decrease or increase the depth.