Symbol 5701 from IEC 60417 - Title/Meaning: Ultrasound image, measuring volume decrease Function/description: To identify the control or the indicator to decrease the measuring volume in pulsed Doppler mode.
Additional information: 
Published in: Amendment 2, 2002,3C/452/FDIS,62A/228/CDV
Own work using: iso.org/obp/graphics/grs/f9f7d6a5-85ce-46be-92fe-31e9a5a73baa 200.png
Vectorization:  Mrmw