
402 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1
Appendix B: Troubleshooting
B-Mode
Problem Solution
Lack of penetration or sensitivity
Ensure that there is adequate coupling medium (for example,
ultrasound gel) between the transducer and the animal.
Adjust the position of the TGC sliders.
Increase the Transmit Power.
Ensure the appropriate transducer is being used.
Related information
Transducer options (page 20)
M-Mode
Problem Solution
Lack of penetration or sensitivity
Ensure that there is adequate coupling medium (for example,
ultrasound gel) between the transducer and the animal.
Adjust the position of the TGC sliders.
Increase the Transmit Power.
Ensure the appropriate transducer is being used.
PW Doppler Mode
Problem Solution
Aliasing in the PW Doppler Mode
acquisition
Increase the Frequency.
Decrease the Doppler Angle.
Adjust the Baseline setting.
The PW Doppler signal is very small
when the viewed flow is slow
Decrease the Frequency setting.
Signal appears to be low intensity
Adjust the Doppler Gain setting.
Signal exhibits saturation
Lower the Doppler Gain setting.
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