Sharp DT300 DT-300 Operation Manual - Page 64

Using the Kensington Lock This projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System. Refer to the information that came with the system for instructions on how to use it to secure the projector. Rear View Kensington Security Standard connector Troubleshooting Problem No picture appears. Color is faded or poor. Picture is blurred. No OSD appears. An unusual sound is occasionally heard from the cabinet. Maintenance indicator illuminates. Picture noise appears. Image is green on INPUT 2 Component. Image is pink (no green) on INPUT 2 RGB. Check • Projector power cord is not plugged into the wall outlet. • Selected input is wrong. (See page 31.) • Cables incorrectly connected to back panel of the projector. (See pages 14-23.) • "Contrast" and "Bright" adjustments are set to minimum position. (See page 44.) • Picture adjustments are not correct. (See page 44.) • Adjust the focus. (See page 25.) • Projection distance is too long or too short to allow for proper focus. (See pages 26 and 27.) • OSD Display is set to "OFF", preventing to display some or all On-screen Displays. (See page 51.) • If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes. This will not affect operation or performance of the projector. • Refer to "Maintenance Indicators" on page 58. • Adjust the "Phase" setting. (See page 48.) • Change the input signal type. (See page 52.) Service Information (For the U.S.) For the location of the nearest Sharp Authorized Service Center, or to obtain product literature, accessories, supplies or customer assistance, please call 1-800-BE-SHARP (1-800-2374277) or visit SHARP's website (http://www.sharpusa.com). -63 Appendix