Turn on the dial switch and the work indicator lights up. Close the probe to the abdominal fetal position. NOTE: To maintain good hearing, a medical ultrasound coupler may be applied to the surface of the probe and And close to the skin, the coupling agent should be applied evenly. Align the volume to the center of the tire for optimum effect . If not heard or not clear, Slowly move the probe around the umbilical cord until a clear fetal heart sound is found. Note: just adjust the volume moderately, otherwise it will affect the listening effect. After checking, turn off the power supply with the rotary switch, turn off the work indicator, pull out the headphones and use clean fur. Gently wipe the probe clean with holes or paper towels and keep it safe.
Turn on the dial switch and the work indicator lights up. Close the probe to the abdominal fetal position. NOTE: To maintain good hearing, a medical ultrasound coupler may be applied to the surface of the probe and And close to the skin, the coupling agent should be applied evenly. Align the volume to the center of the tire for optimum effect . If not heard or not clear, Slowly move the probe around the umbilical cord until a clear fetal heart sound is found. Note: just adjust the volume moderately, otherwise it will affect the listening effect. After checking, turn off the power supply with the rotary switch, turn off the work indicator, pull out the headphones and use clean fur. Gently wipe the probe clean with holes or paper towels and keep it safe.