How to operate the fetal heart rate correctly? -Huaqiang Electronic Network

1. Open the battery cover of the fetal heart rate device, insert the battery that meets the requirements, and connect the earphone to the earphone socket of the host computer. 2. Turn on the power button and compare the work indicator to determine the current mode. 3, the expectant mother to find the fetal position, find the best position of the fetal heart, evenly apply the appropriate amount of ultrasonic coupling agent on the acoustic surface of the ultrasonic probe, and then attach the probe to the abdominal wall of the pregnant woman to obtain the best fetal heart signal. 4. Adjust the volume and calculate the correct fetal heart rate. 5. Shut down after the operation is finished, wipe the probe with a soft cloth. 6, do not open the inside of the instrument without authorization, to avoid damage to the precision electronic circuit inside, should be qualified engineer to repair. 7. Install the battery correctly to avoid short circuit. When the instrument is not used for a long time, the battery should be taken out. 8. The fetal heart rate should be protected from water splashing and should not be used in an environment with flammable gas to avoid explosion. 9, fetal heart rate should avoid collision, away from sharp tools and high-frequency surgical equipment, to avoid strong electromagnetic interference sources such as mobile phones. 10. Store the fetal heart rate monitor in a cool, dry environment.