Working mode | Gear | Ultrasound intensity ( W/cm 2 ) | Pulse duration ( ms ) | Duty factor | Temporal peak to average ratio |
Initial state or standby | 0 | / | / | / | / |
Impulse mode ( PW ) | 1 | 0.25 | 1 | 10% | 10 |
2 | 0.50 | 2 | 20% | 5 | |
3 | 0.75 | 3 | 30% | 3.33 | |
4 | 1.00 | 4 | 40% | 2.5 | |
5 | 1.25 | 5 | 50% | 2 | |
6 | 1.50 | 6 | 60% | 1.67 | |
7 | 1.75 | 7 | 70% | 1.43 | |
8 | 2.00 | 8 | 80% | 1.25 | |
9 | 2.25 | 9 | 90% | 1.11 | |
Continuous mode
(CW) |
-- | 2.50 | - | -- | / |