VIEWSONIC PJ458D - Manual (Page 26)

25 ViewSonic PJ458D
Option Actions/Descriptions
Contrast Controls the degree of difference between the lightest
and darkest parts of the picture. Adjusting the contrast
changes the amount of black and white in the image.
Select the desired setting with the / buttons:
Press the  button to decrease the contrast.
Press the  button to increase the contrast.
Brightness Adjusts the brightness of the image.
Select the desired setting with the / buttons:
Press the  button to darken the image.
Press the  button to lighten the image.
Keystone Adjusts image distortion caused by tilting the projector.
Select the desired setting with the / buttons:
Press the  button to reduce the upper width.
Press the  button to reduce the lower width.
Aspect Ratio Selects this function to fit 1:1, 16:9, 4:3 aspect ratio. In
order to use the 1:1 aspect ratio, the input must be a
computer signal (through VGA cable) of resolution less
than SVGA (800 x 600). If the input signal is a computer
signal greater than SVGA or component 1080i / 720p,
only 16:9 or 4:3 aspect ratio will be available.
Image