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Laser check
Select the stimulus type as Laser and Drum from the drop-down menu. For Settings and Calibration, select
"Laser".
Figure 2.6-35: Laser stimuli settings for the Auto-Traverse/Comprehensive chair
Select the Center position and click 'Go' under the Laser Angle Test. The laser light should put a red target
on the booth wall depending on the position selected (Center, Left 15, Right 15, Left 25, Right 25 etc.). Then
perform the Sine Wave Test using 'Run Sine X Axis or Run Sine Y Axis' and observe if the laser moves in a
smooth pattern. Click Stop to stop the Sine Wave Test.
Under SVV Angle Test, click Go to check that the SVV line is rendered. Use the left / right arrow buttons to
change the line angle and to confirm smooth movement of the line.
Optokinetic drum check
Select the stimulus type as Laser and Drum from the drop-down menu. For Settings and Calibration, select
"Drum", and select the validation option. Click on 'Go' for Sine Wave validation. The optokinetic lamp should
turn on and stripes will appear on the booth wall. The drum should rotate first one way then the other with a
symmetrical sine wave. The drum will stop automatically after completing the number of cycles set in the
validation parameters.
D-0134090-A – 2022/11
VisualEyes™ - Instructions for Use - EN
Page 42
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