Description
- Request 2-AA size Alkaline batteries
- Turn on/off: Turn on the switch, the working indicator should be bright and the Doppler will start to work; the Device will stop working when the indicator becomes dark
- Apply coupling gel(not include ) or BB oil to the face plate of probe,it's normal phenomenon that the loudspeaker issues a sound when daubing the gel.
- Alarm function: Normal range of the FHR is 120-160 bpm. The Device will raise a alarm sound when the FHR is below 120bpm or above 160bpm
- Auto Shut-OFF: After 1 minute no signal, power off automatically
ATTENTION:This device IS NOT a medical device ,It can NOT be used for diagnostic or medical purposes . Request 2-AA size Alkaline batteries (not include)