GE Medical Systems LOGIO 500 User Manual page 118

B–Mode
Reading the B-Mode Display (cont'd)
Graphic Display Description, Format, Values
Measurements Lines of image measurement data are displayed in this area.
The format and value depends on the type of measurement.
The bottom line fills first and scrolls up as additional information is obtained.
Operator Messages System generated messages are displayed on this line (i.e. error messages)
HR Heart Rate is displayed here in beats per minute. ###BPM (Requires ECG input)
A Output Acoustic Output display for MI (Mechanical Index) or TI (Thermal Index). The
larger one is displayed. If both are less than 0.4, the message "TI=<0.4" is
displayed.
Acoustic Output Display
5–6
Table 5–5. B-Mode Display Explanation
The acoustic output display in the lower right corner of the
screen is intended to keep the user informed of the potential
bioeffects that can result when controls are changed.
The Acoustic Output display shows MI (Mechanical Index) while in
B-Mode. When other modes are selected TIS, TIB or TIC are
displayed. See Figure 5–2 on 5–7 .
LOGIQ Display increments are 0.2 for values of one or less and
1.0 for values greater than one. Display accuracy for MI is
–15% to +38%. Display accuracy for TI is –37% to +95%. For
all index values, if the calculated value is less than 0.4, the
display will be "<0.4".
LOGIQ 500 Basic Users Manual
2276612–100 Rev. 0