Visionix VX22NP - Page 4

VX22NP-VX22LP-VX22CP User Manual
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5.8. Show learning pictures of the eye? ........................................................................................................ 42
1. Show an image of the eye .......................................................................................................................................... 42
2. Change the image ....................................................................................................................................................... 42
5.9. How do I find the software version? ...................................................................................................... 42
5.10. How do I find the equipment serial numbers? ..................................................................................... 42
5.11. How do I display media (slideshow, video)? ......................................................................................... 42
1. Load a media file ........................................................................................................................................................ 42
2. Play a media file.......................................................................................................................................................... 43
5.12. How do I choose the startup default test? ............................................................................................. 43
1. Choose the default test from the menu ..................................................................................................................... 43
2. Choose the default test with the MEMO button ........................................................................................................ 43
6. What should I do if...? .............................................................................................................. 44
6.1. The VX22 does not start ......................................................................................................................... 45
6.2. The remote control does not work correctly ......................................................................................... 45
6.3. The change button does not change the optotypes distribution .......................................................... 45
6.4. The VX22 screen is black ....................................................................................................................... 46
6.5. Lines or dashes appear on the VX22 screen ......................................................................................... 46
7. Maintenance ........................................................................................................................... 47
7.1. Cleaning the VX22 casing ...................................................................................................................... 48
7.2. Cleaning the screen ................................................................................................................................. 48
8. Appendices .............................................................................................................................. 49
8.1. Technical specifications .......................................................................................................................... 50
1. Chart Display .............................................................................................................................................................. 50
2. Remote control ........................................................................................................................................................... 50
3. Operating conditions .................................................................................................................................................. 50
8.2. Conformity to international standards ................................................................................................. 51
1. Directives and standards ............................................................................................................................................ 51
2. Electromagnetic emissions ......................................................................................................................................... 51
3. Electromagnetic immunity ......................................................................................................................................... 52
4. Manufacturer ............................................................................................................................................................. 54
5. Waste Electrical and Electronic Equipment (WEEE) Directive ..................................................................................... 54
8.3. Explanation of visual acuity units .......................................................................................................... 55
1. Distance-independent conventions ............................................................................................................................ 55
2. Distance-dependent conventions ............................................................................................................................... 55
8.4. Contact ..................................................................................................................................................... 56