Epson ELPDC21 Document Camera User Manual - Page 49

Problems and Solutions 49 Operation Problems No image appears on the screen • After you press the [t] power button, wait a few moments for the image to appear. It takes approximately 15 seconds for the document camera to output an image. • Make sure all necessary cables are securely connected and the power is on for the projector and the document camera. s "Connecting the Document Camera Directly to a Projector" p.18 s "Connecting to a Projector Using a Computer" p.20 • If you have connected a laptop, see the following. s "Problems Connecting a Laptop" p.50 • To project live images from the document camera, press the [Source] [ ] button on the document camera or the remote control. • Select the correct source on your projector. The source refers to the port on the projector to which you have connected the cable. • Press the projector's power button to wake it from standby or sleep mode. Make sure the image has not been "muted" or turned off. Also see if your document camera is in sleep mode. • If the power indicator on the document camera flashes, reconnect the power cord. If no images are output even after pressing the [t] power button again, stop using the document camera, contact your local dealer or the nearest service center provided in this guide. s "Epson Projector Contact List" p.51 Image Quality Problems The image is fuzzy or out of focus • If the surroundings are dark and the contrast in the projected image is low, the document camera's auto focus function may not work correctly. Press the [ ] [ ] buttons on the document camera or the [Focus] buttons [ ] [ ] on the remote control, and then adjust the contrast manually. • Make sure the camera head is at least 10 cm (4 inches) away from the object you are viewing. • If you are using a projector to display the image, check its focus. The image brightness or colors are incorrect • To illuminate your document, slide the [ ] lamp switch on the side of the camera head. • Press the [ ] or [ ] button to increase or decrease image brightness. • Set the White Balance setting to Auto to adjust the color automatically. If the colors are still not correct, select the best setting for the type of lighting in your environment (Cloudy, Daylight, Fluorescent, or Incandescent). s "Image Menu" p.40 • If the document camera was used with a microscope, make sure you set the Microscope setting to Off when you return to displaying documents. s "Image Menu" p.40 Other image problems • If the image is stretched or has black bars, change the Output Resolution or the HDMI Output from the Function menu. s "Function Menu" p.41 a To return all image settings to their initial values, select the Reset menu. s "Image Menu" p.40 SD Card Problems Some images do not appear Check the file format when copying images to the SD card from a computer.