CCRP mode has been designed to be used in a dive-toss trajectory.
Try a dive at 30°, a last target designation above 3000' AGL, and a continuous pull up at 5.5G until bomb release...
The level bombing as described by various manuals is not the way it has been designed to work and will only result in poor accuracy, especially because of a poor target designation and a poor manual lateral guidance until release.