Tomey UD-600, Operator'S Manual

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6-15
6. Troubleshooting
<B-scan image diagnosis function>
z z
z z z The B-scan image is not displayed.
Cause 1
The B-scan probe is not connected properly.
Remedy
Make sure the probe is connected throughly
deep enough to the main unit.
z z
z z
z
The B-scan image is too dark to see.
Cause 1
The total gain setting is lower than it should be.
Remedy
Turn the TOTAL volume up in order to raise
the Gain.
z z
z z
z
The ultrasound waveforms are inaccurate and unclear.
Cause 1
The B-scan probe connection is not correct.
Remedy
Make sure the probe is inserted sufficiently
into the main unit.
Cause 2
The gel for ultrasound diagnosis is not used or not
sufficient.
Remedy
Apply enough amount of gel (half as big as
your thumb) to the tip of the probe. If the
symptom is not improved after that, try as big
as your thumb or bigger.
Cause 3
Ambient noises
Remedy
If there is any ambient nose sources, such
as motor and laser surgery device located
close to the instrument, relocate such noise
generating devices sufficiently apart from the
instrument.
Cause 4
Frequent multiple echoes
Remedy
Use sufficient amount of ultrasound gel.