202B1262575D
Problem
Cause
Remedy
The ultrasonic image
is dark.
1) The gain level is close to the minimum
value.
2) The STC level is close to the minimum
value.
1) Rotate the gain knob clockwise to adjust the
brightness of the ultrasonic image.
2) Press the STC key to set the STC level
closer to the center value.
The highlight portion
in the ultrasonic
image is too bright.
1) The gain level is close to the maximum
value.
2) The STC level is close to the maximum
value.
1) Rotate the gain knob counterclockwise
to adjust the brightness of the ultrasonic
image.
2) Press the STC key to set the STC level
closer to the center value.
The image disappears
during ultrasonic
diagnosis.
The US connector is poorly connected.
Redo the scope connection.
“3.5 Connecting Ultrasonic Endoscope”
The ultrasonic image
receives interference.
1) High-frequency interference.
2) The US connector is poorly connected.
1) Stop power supply to the diathermic
treatment equipment to restore image
output. The ultrasonic endoscope is
working properly.
2) Redo the scope connection.
“3.5 Connecting Ultrasonic Endoscope”
Chapter 5 Troubleshooting
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2016/07/05 9:28:56