why's the backlight do this?

Discussion in 'Mac Pro' started by celebrian23, Jul 14, 2006.

  1. celebrian23 macrumors 65816

    celebrian23

    Joined:
    Mar 12, 2006
    Location:
    Under the sun
    #1
    When I place my hands over the vents, it either turns on or off the backlight. Why? If the backlight is off, it turns it on (not fully but close) and if it's on this usually causes it to come on, albeit dimly. This only works in dim light (where it changes between off and on depending on the angle it's at). Just curious.
     
  2. TheMac19 macrumors regular

    TheMac19

    Joined:
    May 13, 2004
    Location:
    Pitt
    #2
    It's because the ambient light sensors are located within the speaker grill. You put your hands over it in light and it senses darkness, turning on the backlight. Cover it when it's dim, and it thinks it's even darker, turning the backlight up even higher.
     
  3. celebrian23 thread starter macrumors 65816

    celebrian23

    Joined:
    Mar 12, 2006
    Location:
    Under the sun

Share This Page