ViewSonic PJ755D User Guide - Page 25

Problem: Image is unstable or flickering * Use "Phase" to correct it. Refer to page 17. * Change the monitor color setting from your computer. Problem: Image has vertical flickering bar * Use "Frequency" to make an adjustment. Refer to page 17. * Check and reconfigure the display mode of your graphic card to make it compatible with the product. Refer to page 26. Problem: Image is out of focus * Adjusts the Focus Ring on the projector lens. Refer to page 14. * Make Sure the projection screen is between the required distance 3.9 to 32.8 feet (1.2 to 10.0 meters) from the projector. Problem: The image is stretched when displaying 16:9 DVD. The projector automatically detects 16:9 DVD and adjusts the aspect ratio by digitizing to full screen with 4:3 default setting. If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following: * Please select 4:3 aspect ratio type on your DVD player if you are playing a 16:9 DVD. * If you can't select 4:3 aspect ratio type on your DVD player, please select 4:3 aspect ratio in the on screen menu. Problem: Image is reversed. * Select "Settings" from the OSD and adjust the projection direction. See page 20. Problem: Lamp burns out or makes a popping sound * When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the "Replacing the Lamp". See page 25. Problem: LED lighting message Message Power LED Green Red Temp LED Lamp LED Standby State Warning Cooling Normal Error (Lamp failed) Error (Fan failed) Error (Over Temp.) Flashing Flashing Flashing Flashing ViewSonic PJ755D 23