Touch Panel Controller (Tpc); Trouble Establishing Communication With Projector; Blank Screen, No Display Of Image; Image Appears Vertically Stretched Or 'Squeezed' Into Center Of Screen - Christie D4K25 User Manual

8.7

Touch Panel Controller (TPC)

• If the TPC does not appear, restart the projector.
• If the TPC display is blank, ensure the TPC is on by opening the flap at the back of the TPC and verify the
grey button in the bottom left corner is ON.
• If the button taps on are misinterpreted, the TPC screen may need recalibrating. Tap Menu > Administrator
Setup > Preferences. Tap Calibrate Screen and follow the instructions on the screen.
8.8

Trouble Establishing Communication with Projector

Verify all input devices have the same subnet mask and unique IP addresses.
1. From the Desktop Launcher, Administrator Setup: Communication Configuration menu, check the IP
Address and Management IP address with the Subnet Mask address. Ensure these belong to the same
network.
8.9

Blank Screen, No Display of Image

• Ensure the lens cap is not on either end of the lens.
• Ensure the lamp is ON.
• Confirm all power connections are OK.
• Ensure the douser is OPEN by verifying the state of the douser on Main panel as well as the state of the
douser switch at the back of the projector in the top, left corner.
• Ensure any test pattern other than the full black test pattern displays properly.
• Verify the correct display file is selected?
• For connections, verify the correct port is used.

8.10 Image Appears Vertically Stretched or 'Squeezed' into Center of Screen

To regain full image width and proper proportions you may need to install an anamorphic lens. Open the
Source File Setup window and verify the resolution and aspect ratio settings. Open the Screen File Setup
window and verify the lens factor settings.

8.11 Inaccurate Display Colors

Adjust the color, tint, color space, and color temperature settings of your input source. Tap Menu > Channel
Setup. Tap Config 1 in the left pane and verify the correct value is selected in the PCF list. Tap Config 2 in the
left pane and verify the correct value is selected in the Color Space field.

8.12 Display is Not Rectangular

• Verify the projector is level and the lens surface and screen are parallel to one another.
• Adjust the vertical offset of the lens mount with the vertical offset knob or ILS.
• Check that the anamorphic lens is straight. Rotate to orient the aperture correctly.
• Tap Menu > Advanced Setup > Screen File Setup and verify the settings for the screen file are correct.
D4K25 User Manual
020-100882-02 Rev. 1 (07-2012)
Section 8: Troubleshooting
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