Roberts Gorden GordonRay BH-40 User Manual | Page 17 / 20 | Original mode | Also for: GordonRay BH-100, GordonRay BH-200, GordonRay BH-140, GordonRay BH-60, GordonRay BH-115, GordonRay BH-80, GordonRay BH-150