4.3 Starting the VisualEyes™ software................................................................................... 20
4.4 Room recording................................................................................................................. 20
4.5 Patient preparation ............................................................................................................ 21
4.5.1 Seat the patient in the reclining chair (Orion/System 2000/Nydiag 200) ................ 22
4.5.2 Seat the patient in the AT/C chairs (Orion/System 2000) ...................................... 22
4.5.3 Seat the infant patient in the AT/C chairs ............................................................... 23
4.5.4 Electrode placement and impedance test for ENG evaluation ............................... 23
4.5.5 Placing the goggles on the patient ......................................................................... 24
4.5.6 Eye image adjustment ............................................................................................ 24
4.6 Calibration ......................................................................................................................... 24
4.7 Testing the patient ............................................................................................................ 25
4.7.1 Performing tests ...................................................................................................... 25
4.7.2 Video Frenzel .......................................................................................................... 25
4.7.3 Spontaneous nystagmus ........................................................................................ 26
4.7.4 Dix-Hallpike / Advanced Dix-Hallpike ..................................................................... 26
4.7.5 Positional ................................................................................................................ 26
4.7.6 Oculomotor tests ..................................................................................................... 27
4.7.7 Active Head Rotation .............................................................................................. 27
4.7.8 Dynamic Visual Acuity ............................................................................................ 27
4.7.9 Video Head Impulse Testing (vHIT for VORTEQ
TM
and EyeSeeCam) .................. 28
4.7.10 Ocular Counter Roll ................................................................................................ 28
4.7.11 Caloric test .............................................................................................................. 28
4.7.12 Rotary chair tests .................................................................................................... 29
4.8 Rotational chair error messages ....................................................................................... 30
4.8.1 Rotary chair speed error (applicable for Orion and System 2000 rotational
chairs) ..................................................................................................................... 30
4.8.2 Patient safety error (applicable for all type of rotational chairs) ............................. 30
4.8.3 Emergency stop error (applicable for Orion and System 2000 rotational
chairs) ..................................................................................................................... 30
4.8.4 Chair servo error state error (applicable for Orion and System 2000
rotational chairs) ..................................................................................................... 30
4.8.5 R
otary chair reclined position error (applicable for Orion/System 2000
reclining chair)......................................................................................................... 31
4.8.6 Booth door open error (applicable for Orion AT/C chair) ........................................ 31
4.8.7 Patient safety switch error (applicable for Orion AT/C chair) ................................. 31
4.8.8 Chair control board error (applicable for Orion AT/C chair) .................................... 31
4.8.9 Watchdog timeout error (applicable for Orion AT/C chair) ..................................... 31
4.9 Cameras disconnecting .................................................................................................... 32
4.10 System shutdown .............................................................................................................. 32
4.10.1 Turn off computer ................................................................................................... 32
4.10.2 Turn off stimulus ..................................................................................................... 32
4.10.3 Turn off accessories ............................................................................................... 32
4.10.4 Turn off power sources ........................................................................................... 32
5 CARE AND MAINTENANCE ......................................................................................................34
5.1 How to clean the VisualEyes™ system ............................................................................ 34
5.2 Warranty and service ........................................................................................................ 34
5.2.1 Product warranty ..................................................................................................... 34
5.2.2 Concerning product repair / service ........................................................................ 35
6 GENERAL TECHNICAL SPECIFICATIONS ..............................................................................36
6.1 Computer specifications .................................................................................................... 36
6.2 Standards .......................................................................................................................... 36
6.3 Operation and storage specifications ............................................................................... 36
6.4 Component specifications ................................................................................................. 37
6.5 Electromagnetic compatibility (EMC) ................................................................................ 39