Graco BéBé Sounds Prenatal Heart Listener Manual Del Propietário página 16

f. Battery is low. Red power indicator light will dim. Insert a new 9-volt
(6LR61) alkaline battery.
g. Battery is not inserted properly. Open the battery compartment
and check to see that positive (+) is matched with positive (+) and negative
(-) is matched with negative (-).
h. Foam cover is not in place on the listening cone. Make sure the
foam cover is on the listening cone.
i. There is foreign matter in the listening cone. Remove the foam
cover and make sure there is nothing in the listening cone.
2. There is feedback (squealing noises) when you use your Prenatal
Heart Listener®.
a. The volume is too high. Turn the volume down by turning the wheel
to the left.
b. Lower the volume before moving the Prenatal Heart Listener® against
your skin.
3. You cannot record from your Prenatal Heart Listener®.
a. The recording cable is not plugged in correctly. Make sure the
L- shaped end of the recording cable is securely plugged into either jack on
the Prenatal Heart Listener® and the straight end into the line input of your
recorder.
b. The recorder is not working. Make sure the recorder works. Replace
batteries if necessary.
c. The volume control is turned down on your recorder. Increase
the volume.
4. There is too much background noise and it makes a scratching
sound when you move it.
Turn the volume down BEFORE you move the Prenatal Heart
Listener® from one spot to the next and don't turn it up again until you are
no longer moving it against your stomach.
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