Change history for item: NEC VT491

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1. Donny Darko 25 September 2023 01:44:18
   1. Create: Width #587263
      Value: 258
      
   2. Create: Height #587264
      Value: 112
      
   3. Create: Description #23726945
      Value: Purpose: office, projector resolution: 800x600, max. diagonal image size: 7-9 m, luminous flux: 1000-2000 lm, contrast: up to 1000:1, technology: LCD, connectors and interfaces: RS-232, S-Video input, VGA x 2 input, mini audio input jack 3.5
      
   4. Create: Brand #23726946
      Value: NEC
      
   5. Create: Type #23726947
      Value: Stationary
      
   6. Create: Technology #23726948
      Value: LCD
      
   7. Create: Purpose #23726949
      Value: For office
      
   8. Create: Projector resolution #23726950
      Value: 800x600
      
   9. Create: Image aspect ratio #23726951
      Value: 4:3
      
   10. Create: Number of LCD/DMD panels #23726952
       Value: 3
       
   11. Create: Image functions and options #23726953
       Value: Keystone correction
       
   12. Create: Peculiarities #23726954
       Value: Speakers
       
   13. Create: Lamp life #23726955
       Value: 2000 h
       
   14. Create: Lamp life in eco mode #23726956
       Value: 3000 h
       
   15. Create: Number of lamps #23726957
       Value: 1
       
   16. Create: Power of each lamp #23726958
       Value: 190 W
       
   17. Create: Min. projection distance #23726959
       Value: 0.7 m
       
   18. Create: Max. projection distance #23726960
       Value: 11.1 m
       
   19. Create: Min. diagonal size #23726961
       Value: 0.53 m
       
   20. Create: Max. diagonal size #23726962
       Value: 7.62 m
       
   21. Create: Min. horizontal frequency #23726963
       Value: 15 kHz
       
   22. Create: Max. line frequency #23726964
       Value: 100 kHz
       
   23. Create: Min. vertical frequency #23726965
       Value: 50 Hz
       
   24. Create: Max. frame frequency #23726966
       Value: 120 Hz
       
   25. Create: Aperture number F, min #23726967
       Value: 1.7
       
   26. Create: F-number F, max #23726968
       Value: 2.07
       
   27. Create: Focal length min. #23726969
       Value: 18.9 mm
       
   28. Create: Focal length max. #23726970
       Value: 22.7 mm
       
   29. Create: Contrast #23726971
       Value: 600:1
       
   30. Create: Light flow #23726972
       Value: 2000 lm
       
   31. Create: Luminous flux in economy mode #23726973
       Value: 1600 lm
       
   32. Create: Keystone correction type #23726974
       Value: Vertical
       
   33. Create: Connectors and interfaces #23726975
       Value: RS-232, S-Video input, VGA x 2 input, mini jack 3.5 mm audio input, composite video input
       
   34. Create: Number of built-in speakers #23726976
       Value: 1
       
   35. Create: Power per speaker #23726977
       Value: 1 W
       
   36. Create: Noise level #23726978
       Value: 29 dB
       
   37. Create: Depth #23726979
       Value: 309 mm
       
   38. Create: Weight #23726980
       Value: 2.9 kg
       
   39. Create: Image #20898255
       URL: https://avatars.mds.yandex.net/get-mpic/96484/img_id1069059355971204463/orig
       
   40. Create: Preview image #20898256
       URL: https://avatars.mds.yandex.net/get-mpic/96484/img_id1069059355971204463/orig
       
2. Donny Darko 27 April 2023 23:06:33
   Name: NEC VT491; Catalog: Multimedia projectors