Vidikron Projector Vision Model 120 User Manual

Vidikron Vision Model 120 Owner’s Operating Manual 49 
PREL
IMINARY
4.1 
Using the On-Screen 
Menus
To display the Main Menu, press the MENU button on the remote control (Figure 2-5), VHD 
Controller front panel (Figure 2-3) or projector rear panel (Figure 2-2). 
To select a menu item, use the  and  buttons on the remote control, VHD Controller front 
panel or projector rear panel to highlight it. Then, to confirm your selection, press ENTER on 
the remote control (or SELECT on the VHD Controller front...

Operation
50 Vidikron Vision Model 120 Owner’s Operating Manual
PREL
IMINARY
Figure 4-1. VHD Controller OSD Menu Structure for Vision 120
Service
Test VideoHorizontal Ramp 
Vertical Ramp
Color Bars 1
Color Bars 2
Display Device - ConfigureInstallationPicture Orientation:  
Floor Front 
Ceiling Front 
Floor Rear 
Ceiling Rear
LensFocus
Zoom
Shift
Lamp Info
(read-only)Hours in use etc.
DiagnosticWhite, Red, Green, Blue, Yellow, Cyan, 
Magenta
HD FormatHD 1 (RCA)
COMP or RGB HD 2 (BNC)
HD 3 (PC)
Triggers I...

Operation
Vidikron Vision Model 120 Owner’s Operating Manual 51 
PREL
IMINARY
Main MenuThe Main Menu is the starting point for accessing all projector functions. 
(The Calibration and Service menus are hidden and not accessible until you enter a 
passcode.) 
Input SourceFrom the Main Menu, select Input Source to choose a video signal source. 
The active source is indicated by an arrow (>) to its left; in this example, Composite is the 
active source. 
Aspect Ratio To change the aspect ratio (size and...

Operation
52 Vidikron Vision Model 120 Owner’s Operating Manual
PREL
IMINARY
Table 4-1. Aspect Ratio Settings 
Aspect Ratio
Remote 
Control
Key
Description
16:916:9Select 16:9 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. 
4:34:3Standard 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 most VHS video...

Operation
Vidikron Vision Model 120 Owner’s Operating Manual 53 
PREL
IMINARY
Picture Use the controls in the Picture Menu to calibrate your Vision 120 for optimum picture quality.
The Vision 120 has been designed to incorporate setup and calibration standards established 
by the Imaging Science Foundation (ISF). The ISF has developed carefully crafted, 
industry-recognized standards for optimal video performance and has implemented a 
training program for technicians and installers to use these...

Operation
54 Vidikron Vision Model 120 Owner’s Operating Manual
PREL
IMINARY
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 the...

Operation
Vidikron Vision Model 120 Owner’s Operating Manual 55 
PREL
IMINARY
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 or SELECT. 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...

Operation
56 Vidikron Vision Model 120 Owner’s Operating Manual
PREL
IMINARY
Select Color and press ENTER or SELECT. 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...

Operation
Vidikron Vision Model 120 Owner’s Operating Manual 57 
PREL
IMINARY
Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust 
sharpness, select Sharpness from the Picture menu and press ENTER or SELECT. 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 
differently-sized lines in the “sweep” patterns at the top and bottom. Lower the...

Operation
58 Vidikron Vision Model 120 Owner’s Operating Manual
PREL
IMINARY
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....