Vidikron Projector Vision Model 90t User Manual

Operation
Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual 31 
Table 4-1. Aspect Ratio Settings 
Aspect Ratio
Remote 
Control
Key
Description
AnamorphicANASelect Anamorphic to view 16:9 
DVDs and HDTV programs in their 
native aspect ratio. 4:3 images are 
stretched horizontally to fit a 16:9 
screen. 
Standard 4:34X3Standard 4:3 scales the input 
signal to fit in the center of the 
16:9 screen. 4:3 is the aspect ratio 
used by computer monitors, 
standard television programming 
and...

Operation
32 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual
Picture  Use the controls in the Picture Menu to calibrate your Vision 90t/100t for optimum picture 
quality.
All signal types require separa te processing. Therefore, you need to calibrate each input 
separately. 
The Vision 90t/100t has been designed to  incorporate setup and calibration standards 
established by the Imaging Scienc e Foundation (ISF). The ISF has developed carefully crafted, 
industry-recognized standards...

Operation
Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual 33 
Although it may be possible to obtain satisfactory picture quality using the naked eye and 
regular program material, Vidikron recommends using the following calibration tools for 
best results: 
 External test pattern source – Ovation Multimedia, Digital Video Essentials or AVIA test 
DVD or equivalent.
 A blue filter (provided with many test DVDs), for color level and tint adjustments.
Connect your test pattern source to...

Operation
34 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual
Contrast: On your external test pattern source, select a stepped, gray-bar pattern like the 
one shown in 
Figure 4-3. 
Figure 4-3. Typical Gray Bar Pattern for Adjusting Contrast
Select Contrast and press ENTER. Adjust the contrast to a point just below which the white 
rectangle starts to increase in size.
Color Saturation: On your external test pattern source, select a color bar pattern like the one 
shown in 
Figure 4-4....

Operation
Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual 35 
Select Color and press ENTER. While looking at the color bar pattern through a blue filter, 
adjust the color saturation level until the outermost (gray and blue) color bars appear to be a 
single shade of blue: 
Tint: Tint or “hue” is essentially the ratio of red to green in the color portion of the image. 
When tint is decreased, the image appears redder; when it is increased the image appears 
greener. To set the tint,...

Operation
36 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual
Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust 
sharpness, select Sharpness from the Picture menu and press ENTER. On your external test 
pattern source, select a pattern like the one shown in 
Figure 4-5. Adjust as needed, looking 
for white edges around the transitions from black to gray and different sized lines in the 
“sweep” patterns at the top and bottom. Lower the sharpness...

Operation
Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual 37 
Overscan: Image Overscan pushes the outside edge of the active picture area of the video 
signal out beyond the edge of the display area. 
Some television programs are produced based on the assumption that older television sets 
may not display the outer edges of the broadcast picture area. Over scan effectively trims 
away these inactive, outer edges and enlarges the remaining portion of the image to fill the 
display area....

Operation
38 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual
CalibrationUse the Calibration menu to perform advanced picture quality adjustments. This menu 
should be used by ISF-certified technicians only. 
To recall the ISF Night or ISF Day settings, select “ISF Night” or “ISF Day” from the ISF Presets 
menu (see above). 
ISF Night - Display Color: Use the Display Color settings to adjust the color balance at the 
projector output. These settings are saved independently for each...

Operation
Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual 39 
ISF Night - Input Color: The Input Color controls are similar to those in the Display Color 
menu (see above), but adjust the color balance of the incoming signal. These settings are 
also saved independently for each input. 
• Gain/Offset: Refer to ISF Night - Display Color, above. 
• Chroma Delay: use the Chroma Delay control to correct a mis-aligned image from a 
Composite, S-Video or Component video source. Chroma delay...

Operation
40 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual
Service Use the Service menu to access advanced projector configuration settings. This menu 
should be used by ISF-certified technicians only.
Test Video: Select Test Video from the Service Menu to access the internal test patterns on 
the Vision 90t/100t. Four patterns are available, consisting of white/gray or colored bars. 
These are useful for calibrating other theater source components (DVD player, HD tuner etc.) 
that...