Hitachi 50VF820 - 50" Rear Projection TV, Service Manual

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LC58/LC58E
ASPECT button
Press this button to quickly change the picture format ASPECT ratio. Depending on the input signal format
received, the picture format ratio allows you to adjust the images through the following options.
• Antenna-Analog
• S-Video/Video Input
(Auto Aspect: Off)
• HDMI-480i/480p Input
(Auto Aspect: Off)
• Component-480i/480p
Input (Auto Aspect: Off)
• Antenna-Digital (4:3)
• S-Video/Video 4:3 Letter
Input (Auto Aspect: On)
• HDMI-480i/480p 4:3/
Letter Input (Auto Aspect: On)
• Component-480i/480p 4:3
Letter Input
(Auto Aspect: On)
• S-Video/Video 16:9 Input
(Auto Aspect: On)
• HDMI-480i/480p 16:9 Input
(Auto Aspect: On)
• Component-480i/480p
16:9 Input
(Auto Aspect: On)
• Antenna-Digital (16:9)
• HDMI-720p/1080i Input
• Component-720p/1080i
Input
NOTE: 1. The Aspect Style setting you select for an ANT input will automatically be set for the other ANT
input. However, all five video inputs have independent Aspect Style settings.
2. Vertical position adjustments are directly available when you choose 4:3
EXPANDED/ZOOM1/ZOOM2 or 16:9 ZOOM aspect style.
4:3 STANDARD
Use this aspect mode to display conventional (4:3)
images. Side panels (gray areas) are placed to the
left and right of the image to preserve the original
aspect ratio of the source. Note: Use this mode for
only 15% of your total viewing time to prevent
uneven aging of the phosphors. Phosphors in the
lighted area of the picture will age more rapidly
than the gray areas.
4:3 EXPANDED
Use this aspect mode to display conventional (4:3)
sources by linearly increasing image expansion
from the center towards the edges of the display
area in order to fill it.
4:3 ZOOM1/ZOOM2
Use these aspect modes to zoom in on
conventional (4:3) sources.
16:9 STANDARD
Use this aspect mode to display 16:9 sources like
HDTV and DVD’s preserving the original 16:9
aspect ratio.
16:9 ZOOM
Use this aspect to Zoom-in once while in 16:9
aspect.
DISPLAY PICTURE FORMAT
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