Q. An ultrasonic insrument control which is used to adjust the sharpness of the CRTscreen display is called: (Solved)
1. Astigmatism or focus
2. Pulse repetition rate
3. Pulse energy
4. Gain
- a. Astigmatism or focus
1. Astigmatism or focus
2. Pulse repetition rate
3. Pulse energy
4. Gain