Operator's Manual

Table Of Contents
Home Screen Trend Graphs
BIS™ Advance Monitor
Figure 33. DSA Trend Display
Label Function Description
1 Y vertical axis -
frequency
The vertical axis indicates the frequency of
the EEG signal in Hz.
2 Power legend Legend explaining the colors
demonstrating the level of power; blue
indicates lower power and red lighter
power.
3 Spectral Edge
Frequency (SEF)
The white line on the graph indicates the
SEF, the line under which 95% of the EEG
power lies.
4 Time scale drop-down
menu
Use the small arrow next to the time scale
indicator to change the time scale of the
graph. Options are 1 hours, 6 hours, 12
hours, and 24 hours. When the time scale
is changed, this affects all graphs on the
screen (for example, BIS, DSA and ASYM).
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