Note
•
The vertical cursor represents the same point in time as the vertical cursor in the lower chart and exactly
bisects the slow phase of the nystagmus being measured.
Measuring SPV
Vertical cursor (A).
3. Adjust the slope of the
velocity measuring line to
measure the slow phase of
a beat:
–
Press the
ãä
arrow
keys to raise and lower
the line
–
Press
Ctrl +
á
and
Ctrl +
â
to change the
angle of the line.
–
Press
F8 Insert
to
enter the new SPV
value.
SPV Analysis with Peak Selected
Caloric Peak values are rep-
resented as:
RC = Right Cool
LC = Left Cool
RW = Right Warm
LW = Left Warm
FI = Fixation Index
Otometrics - ICS Chartr 200 VNG/ENG
37
5 Review and Analyze Collected Data