Safety Precautions
LOGIQ E9
–
User Guide
4-35
Direction 5454884-100 English
Rev. 1
Acoustic Output Display Specifications (continued)
Mechanical Index
MI recognizes the importance of non-thermal processes,
cavitation in particular, and the Index is an attempt to indicate
the probability that they might occur within the tissue.
Changing the Thermal Index Type
You can select the displayed TI type on Utility -> Imaging ->
B-Mode. This preset is application dependent so each
application could specify a different TI type.
Display precision is ±0.1 and accuracy is ±50%. Accuracy of the
power output displayed value on the Touch Panel is ±10%.
Controls Affecting Acoustic Output
The potential for producing mechanical bioeffects (MI) or
thermal bioeffects (TI) can be influenced by certain controls.
Direct. The Acoustic Output control has the most significant
effect on Acoustic Output.
Indirect. Indirect effects may occur when adjusting controls.
Controls that can influence MI and TI are detailed under the
Bioeffects portion of each control in the Optimizing the Image
sections.
Always observe the Acoustic Output display for possible effects.
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