SONAR User Manual
14423-INS-LAB-RevD11 3
1 INTRODUCTION
This user manual contains important information and 
safety precautions for the Grafco Ultrasound Pocket Dop-
pler. Before using the Pocket Doppler, please read and 
understand this entire user manual. Take special note of all 
safety precautions that begin “WARNING” and “CAUTION”. 
Save this user manual for future reference.
Info: The most current version of this manual can be 
found at www.grahamfield.com
INTENDEDUSEOFTHISDEVICE
The Grafco Ultrasound Pocket Doppler is intended for 
clinical use as an obstetrical evaluation tool. The Grafco 
Ultrasound Pocket Doppler may also be used for optional 
vascular monitoring. The Pocket Doppler is not intended 
to be used for treatment or diagnosis. Use the Pocket Dop-
pler only as prescribed by a physician.
WARNING:Thisdeviceisnotintendedtobeused
fortreatmentordiagnosis.IfPocketDopplerresults
areambiguous,pleaseuseothermethods,suchasa
stethoscope,toverifyimmediately.
WARNING:Toensurepatientsafety,usethisdevice
onlywithaccessoriesrecommendedbyGFHealth
Products,Inc.,yourGFauthorizeddistributor,oryour
physician.
INCLUDEDFEATURES
Mini USB Probe Socket
Probe Detector
Built-in Speaker
Adjustable Volume
Alkaline Battery (9V)
Low Battery Detector / Indicator
Obstetrical or Vascular Monitoring










