"Fine. Now get this straight and clear: The phanobeacon is the control beacon for direction of angular curve. In other words, it takes three points to define the orientation of a plane in space. These three points are you, the star-beacon or course-marker which you will find directly, and the main terminal-beacon which is the phanobeacon. You must drive your ship in the proper plane when making a curve or making any turn. Follow?" "Yes," replied Dusty, trying to think it out. He was far from certain about all this, wondering why it was all necessary. He went over the instructions in his mind, made no more sense out of it than the first time, and then decided to accept it without trying to figure out the reasons. After all, Gant Nerley and his folks ought to know what they were doing. "Now," said Gant, after a moment, "In order to orient yourself, you must line up the Phanobeacon on the point of aim. Take the 'Tee' bar firmly, one hand on either side of the axle. Find the thumb-buttons on the handle. Press them all the way in and lock them home with a slight sidewise pressure towards the center. Got that? Now, lift the 'Tee' bar straight up until it is high enough to manipulate with ease. Be careful, don't move it sidewise!" * * * * * The last admonition was wasted. Dusty lifted the 'Tee' bar gingerly and not too evenly. The stars on the viewpanel danced dizzily, swiveled, and flowed across the plate. The bright phanobeacon spot moved from the plate along the bottom, danced back in view on a brief curve, and left again along a flat slant. The 'Tee' bar clicked into place and the stars stopped dancing with a snap. Dusty moved the 'Tee' bar gently and the stars flowed upward until the phanobeacon re-appeared. "Got it," he said shakily. He moved the 'Tee' bar very gently until the phanobeacon was centered on the screen. Or, rather, almost centered. It moved in jerky little circles like the sights of a rifle in the hands of a tyro. "Fine. You're doing well with strange equipment. Now, on the panel you will find a switch marked 'Co-ordinates.' It will be set on 'Rectangular' and you must flip it to 'Polar'." The switch changed the cross-hair pattern of the viewpanel from the horizontal and vertical calibrations to a circular pattern with only the main center hairlines remaining. Angle-lines radiated out from the center, crossing the circles. "Now, Dusty, inspect the radius-line marked G-705. All the way around. Do you see a winking star?" "No." "Um. I was hoping we could do it the easy way. The sealed course-plan is not too clear, for which I don't blame Transgalactic. All right. We'll have to do it the hard way. Move the phanobeacon down until it is almost on the lower edge of the viewpanel. Now flip the 'Co-ordinates' switch to the left, leaving it in the bottom position marked 'Polar.' You'll find that the toggle has an 'H' type pattern of motion, laid flat-wise."