Mindray DC-T6, Operator'S Manual

Page: 319 / 347

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