Complex sentence: The torpedo can be set on a course different from that of the submarine by setting a parameter called the gyro angle, which sets the course of the torpedo relative to the course of the submarine (see Figure 2).
Split into simpler sentences: The torpedo can be set on a course different from that of the submarine by setting a parameter called the gyro angle. The gyro angle sets the course of the torpedo relative to the course of the submarine (see Figure 2).