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The Brightness control panel was developed by Apple Computer for use by the Macintosh Classic and backlit Macintosh Portable.

Usage[]

Included with System 6.0.7 and 7.0.x, its sole purpose is to set the brightness of the screen, or to dim it, on early Macintosh models without a physical brightness switch. Any attempt to use this control panel on any other model will result in an error message and the control panel will not open.

History[]

This functionality was included as part of the Portable control panel 1.3 for earlier versions of System 6.[1][2] In System 7.1, the Brightness control panel was superseded by the Screen control panel for newer models with built-in color screens.[3]

References[]

  1. Macintosh Portable: Technical Procedures, Apple Computer, Inc. p.1.29-1.32. 1989-10.
  2. Portable Control Panel 1.3, Mac GUI. 2009-09-01.
  3. Classic Mac OS Design Evolution, Version Museum. Accessed 2021-07-27.

See also[]

External links[]

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