Runco Cl 420 Projector User Manual

Operation
Runco CL-420 Owner’s Operating Manual 31 
Figure 4-4. CL-420 OSD Menu Structure
ISF Setting
Brightness
Contrast
Color
(not available on DVI or RGB-HD 
inputs)
Tint
Sharpness 1, 2, 3, 4, 5
Gamma 1.0, 1.5, 1.8, 2.0, 2.2, 2.35, 2.5, 2.8
Color Temp 5,000K, 5,500K, ... 10,000K
Picture Setting Custom 1, ISF Day, ISF Night
White BalanceR/G/B Gain
R/G/B Offset
Save Settings
Lamp Timer Reset
ICC AdjustStandard, NTSC, HDTV, PAL
Intensity, Saturation, Hue
ISF Enable (on/off)
Blue Enable (on/off)
Splash...

Operation
32 Runco CL-420 Owner’s Operating Manual
Main Menu The Main Menu is the starting point for accessing all projector functions.
(The ISF Setting menu is grayed out and not accessible until you enter a passcode.)
Source Select From the Main Menu, select Source select to choose a video signal source.
The active source is indicated by an arrow (→) to its left; in the example at left, Video is the 
active source. 
Aspect Ratio To change the aspect ratio (size and shape) of the projected image, select...

Operation
Runco CL-420 Owner’s Operating Manual 33 
Table 4-1. Aspect Ratio Settings 
Aspect Ratio
Remote 
Control
Key
Description
Anamorphic 
(16/9)ANAThe image is compressed 
vertically, but anamorphic 
software will appear 
properly proportioned. This 
is best suited for use with 
16:9 DVDs and HDTV 
programming.
Standard (4/3)4X3The input signal is scaled to 
fit in the center of a 16:9 
screen. The active image 
area is 1024 x 768 pixels. 
 
4:3 is the aspect ratio used 
by personal computers,...

Operation
34 Runco CL-420 Owner’s Operating Manual
Picture Adjust Use the controls in the Picture Adjust menu to calibrate your CL-420 for optimum picture 
quality.
The CL-420 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 standards to 
obtain optimal...

Operation
Runco CL-420 Owner’s Operating Manual 35 
Brightness: On your external test pattern source, select a PLUGE pattern. (PLUGE is an 
acronym for “Picture Line-Up Generation Equipment.”) 
Figure 4-5 shows a typical PLUGE 
pattern.
Figure 4-5. Typical PLUGE Pattern for Adjusting Brightness
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...

Operation
36 Runco CL-420 Owner’s Operating Manual
Contrast: On your external test pattern source, select a stepped, gray-bar pattern like the 
one shown in 
Figure 4-6. 
Figure 4-6. Typical Gray Bar Pattern for Adjusting Contrast
Select Contrast from the Picture Adjust menu. Using the left- and right-arrow (   ) 
buttons, 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...

Operation
Runco CL-420 Owner’s Operating Manual 37 
Select Color from the Picture Adjust menu. 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, select Tint from...

Operation
38 Runco CL-420 Owner’s Operating Manual
Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust 
sharpness, select Sharpness from the Picture Adjust menu and press ENTER. On your 
external test pattern source, select a pattern like the one shown in 
Figure 4-8. 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 them....

Operation
Runco CL-420 Owner’s Operating Manual 39 
Color Temperature: To adjust the color temperature, select Color Temp from the 
Picture Adjust menu and press ENTER. (Color temperature defines the “color of gray.”) 
The range is from 5,000K to 10,000K, in increments of 500K. The default setting, 6,500K, 
is appropriate for most situations. Higher settings produce a “bluer” picture; lower ones 
impart a reddish hue to the image.
For more precise control over the color temperature, you can adjust the x...

Operation
40 Runco CL-420 Owner’s Operating Manual
ICC Select: Choose ICC Select from the Picture Adjust menu to specify the color space 
(Standard, NTSC, HDTV or PAL) that is appropriate for the source signal, to achieve 
optimal color balance.
If you select NTSC, HDTV or PAL, you can make further adjustments to individual color  
space characteristics in the 
ICC Adjust sub-menu under the ISF Setting menu, described 
later in this section. (The Standard color space is factory-set and not adjustable.)...