Dive Sensors Rotation Control

I am using Dive Sensors in unity 5.0 beta,but i want to limit the left and right rotation.I have succesufully done the changes in the up and down angle rotation.Please help me what exactly i have to change.The right and left rotation is not getting affected if i make all the valuse zero..Following is the script with changes
Thanks in advance

#if UNITY_EDITOR
private float sensitivityX = 10F;
private float sensitivityY = 10F;

private float minimumX = -0F;
private float maximumX = 0F;

private float minimumY = -40F;
private float maximumY = 40F;

float rotationY = 0F;