SD5/SD6 Ultrasonic TableTop Doppler User Manual FHR Examining
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5 When applied to the patient, the ultrasound transducer may warm slightly (less than
8°C (14.4°F) above ambient temperature). When NOT applied, the ultrasound
transducer may reach the highest temperature of 8°C (14.4ºF).
6 Maternal heart will be detected if the probe is strongly placed on maternal vessel.
7 For SD6, the effective transmission distance between the main unit and the wireless
probe is 5 meters. It is recommended that they are positioned within this distance in
photopic vision.