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The licenses for the goggles with appertaining Orion Chair are now added successfully. The Hardware and
Licenses screen should show a row under Registered licenses containing a VNG system such as 525 as
seen in Figure 19. The tests battery of a license containing an Orion Chair should include Rotational Chair
tests such as Step Velocity, SHA, and VOR Suppression.
Figure 19: 525 system added successfully
3.2.1.6 Locking the Chair
This is the last step of part one. The chair must be locked before anchoring it to the floor to ensure alignment
between patient and screen. Locking is accomplished by opening an ocular motor test or clicking the lock
chair symbol in the VisualEyes software. Use the disengage switch on top of the backrest to lock the Orion
Chair in a specific position, see Figure 20.
Figure 20: Chair lock switch
This was the last step of part one in the setup sequence. Jump to section 4 if the chair is yet not anchored to
the floor.
When the chair is anchored to the floor, proceed with the steps provided in section 3.2.2.
3.2.2 Chair Setup: Part 2 (calibration and validation)
The following information guides the installer in the calibration and validation of the Orion Chair. It is
important that the chair is anchored to the floor before continuing with the calibration and validation.
The Rotation of the Orion Chair is controlled via the computer. Corrections for chair drift or tach velocity, can
be done by chair calibration.
D-0120794-D – 2023/06
Orion Reclining Chair Installation Instructions
Page 21
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