Mindray Imagyn 7, Руководство оператора

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19 System Maintenance
Operator’s Manual 19 - 7
2. The power indicator of
the monitor is light on,
but image is blank. • The interval between
turning off and restarting
the system is too short –
wait a minimum time of 20
seconds.
• The monitor brightness or
contrast may be
improperly set.
• Turn off the system and wait
a minimum time of 1 minute,
and then restart the system.
• Adjust the monitor
brightness and contrast back
to factory defaults.
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.
No. Failure Cause Measure