AP 3302 Pt. 3
Section 1
CHAPTER 4
Some examples of the uses of pulsed radar
(Fig 9). A bright line, called the range marker, is set by a control to cut the target echo and is then 'locked' so that as the range decreases and the bearing approaches dead ahead, the echo moves down the display and the range marker moves with it. When the range marker reaches a certain range, a meter is automatically operated to give the range in yards.
Another c.r.t. may be used in a Type F display to show bearing and elevation errors of the target (Fig 10). If the fighter pilot positions his aircraft so that the target echo is centred on the
