4.6
Start Data Collection
The operator may start and stop data collection at any time. A test may be repeated and saved. The first test is designated
as primary, the others are secondary. Primary test results will be included in the patient report (see
) and the primary designation may be reassigned during a review (see
Step 22 Reassign Primary Test Status
).
The suggested
minimum collection time
is 1 minute 30 seconds for Saccade and Tracking tests and approximately 2
minutes for Caloric tests. Other tests should be run for 20 seconds or longer, if needed.
If your system uses a Otometrics caloric stimulator, you may use the caloric handset or footswitch to start a test. Selecting
a caloric test on the New Test tab automatically selects the cool or warm temperature on the stimulator.
•
ENG Note
: After a test is started, press the handset or footswitch to remotely center a tracing.
•
VNG Note
: After a test is started, press the handset or footswitch to remotely start or restart the video recording.
A. Click on a protocol on the
New Test
tab.
B. Click
F12 Start
to begin data collection.
C. Use the function keys during data collection.
Function Keys, During Data Collection
F2
Event
Place an Event (E) marker on the tracing.
F3
Eyes Open
Place an Eyes Open (EO) marker on the tracing.
F4
Vision Denied
Place a Vision Denied (VD) marker on the tracing.
F5
Center
Move the tracing to the center of the waveform area.
F7
Hide Wave
Display the selected wave.
F8
Show Wave
Do not display the selected wave.
F9
Cancel Test
Stop data collection without saving test results.
F10
Overlap Waves
Stack (overlap) tracings in the waveform area.
F11
Spread Waves
Spread all tracings evenly in the waveform area.
F12
Stop/Save
Stop the test./Stop data collection and save the results.
VNG Note
: Go to
Step 20 VNG – Record Video Image
to record eye images during data collection.
D. Press
F12 Stop
.
E. Press
F12 Save
to save the collected data and advance to the next protocol.
F.
Repeat A through E for each protocol.
G. VNG: go to
Step 20 VNG – Record Video Image
.
ENG: go to
Step 21 Display Collected Data
Otometrics - ICS Chartr 200 VNG/ENG
25
4 Collect Patient Data