System Maintenance 19-5
No. Failure Cause Measure
3
The monitor
displays the
characters and
menus but no
images.
îš„ The transmission
power, overall
gain or TGC
controls are
improperly set.
îš„ Check if a probe
is connected
and/or fully
connected.
îš„ The system is in
the frozen status.
îš„ Adjust the transmission power,
gain or TGC control.
îš„ Ensure proper probe
connection.
îš„ Unfreeze the image.
4
The image
quality is
degraded
îš„ The exam mode
is not correct.
îš„ The settings of
the image post
processing are
not correct.
îš„ The image
presets are
inappropriate.
îš„ Select an appropriate exam
mode.
îš„ Adjust the settings of the image
via post processing or reset the
post processing to the default
values.
îš„ Reset the factory default
presets.
5
The button is
responseless
with the system
buzzing
îš„ There is too
much dirt
blocking the
button
îš„ Check the control panel for the
button being blocked and press
it several times to release it.
îš„ Clean the button.
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