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Text File  |  1991-10-06  |  3.2 KB  |  71 lines  |  [TEXT/GEOL]
  1. Macintosh 21" Color Display Technical Specifications
  2.  
  3. Copyright 1991, Apple Computer, Inc.
  4.  
  5. System Requirements           •Macintosh personal computer equipped with
  6.                                an appropriate video card.
  7.                               •Video cable (supplied with the display)
  8.  
  9. Picture Tube                  •21" diagonal, with in-line gun
  10.                               •90° deflection angle
  11.                               •Black matrix-type dot screen
  12.                               •Phosphor type P22 (aluminized)
  13.                               •Flat, square faceplate with gray filter glass,
  14.                                50% nominal light transmission
  15.                               •Shadow mask
  16.  
  17. Screen Resolution             •1152 horizontal pixels by 870 vertical lines
  18.                               •79 dots per inch (dpi)
  19.                               •Dot pitch 0.26 mm by 0.29 mm
  20.  
  21. Input Signals                 •Red, green, and blue video signals; TTL
  22.                                separate sync
  23.  
  24. User Controls                 •Back panel:   - Power seitch (above power
  25.                                                cord
  26.                                              - Manual degauss (above secur-
  27.                                                ity lock
  28.                               •Front panel:  - Brightness, with detent
  29.                                                (right)
  30.                                              _ Contrast (left of brightness
  31.                                                control)
  32.  
  33. Scanning & Refresh Rates      •Horizontal scan rate:  68.7 kilohertz
  34.                               •Vertical refresh rate: 75 hertz
  35.  
  36. Rise and Fall Time            Five nanoseconds, maximum
  37.  
  38. Active Video Display Area     14.6" horizontal by 11.0" vertical (371 mm hori-
  39.                               zontal by 280 mm vertical); remainder of display
  40.                               area is used for border.
  41.  
  42. Electrical Requirements       •Voltage:    85v to 135v AC or 170v to 270v AC
  43.                               •Frequency:  47 to 63 hertz
  44.                               •Power:      165 watts maximum
  45.  
  46. Fuse Protection               Internal power line fuse protection; the display
  47.                               fuse should be replaced with a fuse of the same
  48.                               type by a qualified service technician.
  49.  
  50. Environmental Requirements    •Operating temperature:  50°F to 95°F (10°C to
  51.                                35°C)
  52.                               •Operating humidity:  95% maximum, noncondensing
  53.                               •Maximum altitude:  10,000 ft (3,048 m)
  54.  
  55. Size and Weight               Height:  18.5 in. (47.0 cm)
  56.                               Width:   19.6 in  (49.8 cm)
  57.                               Depth:   20.9 in  (53.0 cm)
  58.                               Weight:  79.6 lb  (36.2 kg)
  59.  
  60. Safety Agency Approvals       •Emissions:  FCC (class A), VDE (class A), FTZ,
  61.                                CISPR, Swedish MPR magnetic (VLF and ELF)
  62.                               •Safety:  UL, CSA, FDA/DHHS, Scandinavian EMKOs,
  63.                                PTB
  64. ______________________________________________________________________________
  65. Apple Products
  66. New Apple Products
  67. Macintosh 21" Color Display
  68.  
  69. 01-Oct-91
  70.  
  71.