User's Manual

EEG
24-13
4. Touch the CLEAR CHANNEL key to erase both electrode names if you make
an error when entering the electrode names. Re-enter the pair of electrode
names after you clear them.
5. Touch each of the channel (CH1, CH2, CH3, CH4) keys in succession to
complete the setup.
EEG Displays
Display Formats
The EEG module can display several formats. The formats can be grouped into
two types: dual display format, and single display format.
The single format displays are:
•DSA
•ANALOG
TREND
The dual display formats are:
DSA & TREND
DSA & ANALOG
TREND & ANALOG
TWO TRENDS
Analog EEG Display
Analog EEG is displayed as a moving waveform for each channel. The trace
moves from left to right. The analog waveform clips or flat-lines when the
amplitude exceeds full scale.
Figure 24-1: Four-channel analog EEG display
!
When the format is Two Trends, the message line indicates
whether the upper or lower trend is selected by displaying the
trend in reverse video.
To display analog EEG:
1 Touch EEG.
2 Touch DISPLAY FORMAT.
3 Select DUAL FORMAT OFF.
4 Touch ANALOG.