Christie Projector DHD850-GS User Manual

   Operation
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Geometry correction
Geometry correction provides two ways for warping control:
• PC Mode off—User can do simple horizontal and vertical keystone, pincushion, and 4-corner control by using the on-screen display.
• PC Mode on—User can do arbitrary warping or bl ending control by using the PC APP provided 
separately.
The following table provides information abou t the geometry correction feature compatibility:
Horz Keystone
Adjust the...

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Horz Pincushion
Adjust the pincushion horizontally  and make the image more square.
Vert Pincushion
Adjust the pincushion vertically and make the image more square.
4-Corner
Allow the image to be squeezed to  fit an area defined by moving each of the four corners x and y 
position.
Reset
Reset all Geometry Correction parameters.
Ind.1080PWUXGA
A 6.25%6.25%
B 6.67%6.67%
Ind.1080PWUXGA
A5.17%5.39%
B 5.17% 4.24%
AB
Ind.1080PWUXGA...

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Image Settings menu
The Image Settings menu sets the brightness,  contrast, and other settings for images.
Menu itemDescriptionOptions
Brightness Adjusts the intensity of the image. —
Contrast Adjusts the degree of difference  between the 
lightest and darkest parts of the image and 
changes the amount of black and white in the 
image. —
Color Space Selects a color spac e specifically tuned for the 
input signal. Only useful for analog...

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Video Options Applies only to video source s. • Color—Adjusts a video image from black 
and white to fully saturated color. (Video 
sources only)
• Tint—Adjusts the red-green color balance  in the image of NTSC video images. (NTSC 
video sources only)
• Detect Film—Controls film mode detection  and determine whether the original source 
of the input video was film or video.
Input Levels Applies to VGA or component signals only . •...

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Save to User Saves the user settings.
Adjust the image settings and  Select Save to 
User  as a picture setting. To  recall these settings 
in the future, select the  User in the Picture 
Settings  menu. 
You can save the following settings:
• Brightness
• Contrast
• Color
• Tint
• Red Gain
• Green Gain
• Blue Gain
• Red Offset
• Green Offset
• Blue Offset
• Color Temperature
• Gamma
• Detail
• White Peaking
• Overscan —
Contrast...

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Configuration Menu
The Configuration menu sets the language, proj ection orientation, power usage, and other 
preferences for the projector.
Menu itemDescriptionOptions
Language Selects an available language  for the on-screen display. • English
• French
• German
• Italian
• Spanish
• Chinese (Simplified)
• Japanese
• Korean
• Russian
Lens Settings Adjusts the lens. • Focus and Zoom—Adjusts the focus and zoom the image in 
or out.
• Lens...

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Ceiling Mount Turns th e image upside down 
for ceiling-mounted 
projection. —
Rear  Projection Reverse the image so you can  project from behind a 
translucent screen. —
Menu 
Preferences Sets the on-screen display 
menu preferences, and the 
password for the projector. • Menu Horz Offset—Changes the 
horizontal position of the on-
screen display.
• Menu Vert Offset—Changes the  vertical position of the on-
screen display.
• Show...

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Communications Determines the  communication settings such 
as network setup, serial port 
information, and so on. Network—Allow you to setup network settings.
• DHCP—Turns the DHCP on or off.
• IP Address—Assigns th e network IP address.
• Subnet Mask—Assigns the network subnet mask.
• Default Gateway—Assigns the network default gateway.
• MAC Address—Displays the network MAC address value.
• Enable—Enables or disabl es the WLAN...

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Hot  Key  Settings Assigns a different function to  the hot key on the IR remote 
keypad by highlighting the 
function in the list and 
pressing ENTER. 
Choose a function that does 
not already have a dedicated 
button, and assign the hot 
key to that function, allowing 
you to quickly and easily use 
the chosen function. —
Service Displays projector 
information,  sets test 
patterns, error logs, and high 
temperature warnings. •...

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Color matching
You may require a unique color gamut (range) for a si ngle projector or application, or you may need 
to precisely match colors across multiple adjacent displays. Use color matching by Manual 
Adjustment or HSG to define the precise hue of  each primary color component (red, green, blue, 
and white).
HSG
Hue, Saturation, and Gain (HSG) software controls the color regions R, G, B, C, M, Y, and W 
independently.
1. Select...