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14 EN
10 Frequently
asked questions
I cannot hear any sound.
• Make sure that you connect the power
source and adapter correctly (see '1.
Connect the audio device' on page 5).
• Make sure that you adjust the volume to
an appropriate level.
• Make sure that the batteries are charged
and inserted properly to the battery
charging slot (see 'Install the supplied
batteries' on page 6).
• Check if the LED on the docking station
is white.
• Batteries are defective. Purchase new ones
with the same specications.
• For audio devices with optical output,
make sure that the audio device is set to
PCM (check the manual of your audio
device for information).
The sound is distorted.
• The volume level at the audio source is set
too high.
• The stethoscope is nearly out of range.
Move it closer to the docking station.
• The stethoscope receives interference
from the nearby electrical appliances. Move
the docking station away from them.
• The stethoscope is at a location with thick
walls. Move the docking station away from
them.
• Adjust the ATTsetting (see 'Overview of
the docking station' on page 4).
• Adjust the volume of the audio device.
When I move my head I hear interfering noise.
The interference can be caused by another
wireless device like Bluetooth, WiFi, router or
2.4 GHz devices. Move the wireless device away.
The audio quality is poor.
• The stethoscope is out of range. Reduce
the distance between your stethoscope
and audio device, or remove obstacles
between them.
• Adjust the ATTsetting (see 'Overview of
the docking station' on page 4).
• Adjust the volume of the audio device.
I can hear the sound with one ear only.
Make sure that you have adjusted the left/right
balance (see 'Overview of the stethoscope' on
page 4).
The specication shows an operating range of
50 meters (164 feet). Why is the actual range
shorter?
The operating range is limited by obstacles
like thick walls, doors or ceiling. Move the
stethoscope closer to the docking station.
For further support, visit www.philips.com/
support.
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