Vidikron Projector Vision Model 90 User Manual

Operation
Vidikron Vision Model 90 Owner’s Operating Manual 4-7 
PLUGE patterns vary but generally consist of some combination of black, white and gray 
areas against a black background. The example above includes two vertical bars and four 
shaded boxes.
Select Brightness from the Picture menu and press ENTER. Adjust the brightness so that:
 The darkest black bars disappear into the background. 
 The dark gray areas are barely visible.
 The lighter gray areas are clearly visible.
 The white areas...

Operation
4-8 Vidikron Vision Model 90 Owner’s Operating Manual
Color Saturation: On your external test pattern source, select a color bar pattern like the one 
shown in 
Figure 4-4. 
Figure 4-4. Typical Color Bar Pattern for Adjusting Color Saturation and Tint
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...

Operation
Vidikron Vision Model 90 Owner’s Operating Manual 4-9 
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 setting to eliminate...

Operation
4-10 Vidikron Vision Model 90 Owner’s Operating Manual
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.
Select from 1%...

Operation
Vidikron Vision Model 90 Owner’s Operating Manual 4-11 
ISF Night - Display Color: Use the Display Color settings to change the characteristics of the 
output signal. These settings are global (independent of any particular input). 
•Gain: Use the Gain controls to correct color imbalances in the bright areas of the image. A 
good way to do this is to use a test pattern consisting mostly of solid white areas, such as 
an 80 IRE “window” pattern. If the white areas contain traces of red, green or...

Operation
4-12 Vidikron Vision Model 90 Owner’s Operating Manual
ISF Day - Display Color: Refer to ISF Night - Display Color. 
ISF Day - Input Image: Refer to ISF Night - Input Image. 
ISF Day - Input Color: Refer to ISF Night - Input Color. 
Output Shift: The controls in the Output Shift menu are similar to those in the Input Position 
menu, except that they change the characteristics of the output signal (so the change is 
visible no matter which input is selected). 
Splash Configure: Use the Splash...

Operation
Vidikron Vision Model 90 Owner’s Operating Manual 4-13 
Remote Control: The Remote Control menu shows you the primary and secondary infrared 
(IR) codes to which the Vision 90 will respond. By default, both are set to 17. You can change 
these codes if either:
 Another device in the theater (a DVD player, for example) is responding to commands 
from the Vision 90 remote control in ways that are unpredictable or undesirable. 
 You have multiple Vision 90 projectors and want to control them...

Operation
4-14 Vidikron Vision Model 90 Owner’s Operating Manual
Triggers: Select Triggers from the Service menu to configure the 12-volt trigger outputs. You 
can assign one or more trigger outputs to each aspect ratio. Those triggers are then activated 
by selecting that aspect ratio. 
Miscellaneous: Select Miscellaneous from the Service menu to set the following options: 
•Menu Mode: This is the manner in which the OSD menus appear and disappear when you 
press MENU. Choose one of the following: 
0 =...

Vidikron Vision Model 90 Owner’s Operating Manual 5-1 
5.1 
Lamp Replacement
The lamp should be replaced when it reaches the end of its life (typically 2000 hours), or 
sooner if a noticeable degradation in brightness occurs. Contact your Vidikron dealer to 
obtain a replacement lamp.
1. Turn off the projector and unplug the power cord. Allow the projector to cool down for 
approximately 45 minutes prior to removing the lamp assembly for replacement.
2. Loosen the four rear Lamp Cover screws and remove...

Maintenance and Troubleshooting
5-2 Vidikron Vision Model 90 Owner’s Operating Manual
Colors in the image are 
swapped; for example, reds 
appear blue or vice versa.  The Red/Pr, Green/Y or 
Blue/Pb outputs from the 
source are connected to the 
wrong inputs on the Vision 
90.  Ensure that the source 
outputs are connected to 
the correct Vision 90 input. 
The projector will not turn 
back on after it was powered 
down, or the image disappears 
during operation.  The projector will not turn 
on for...