Canon 2677B002 SX80 Manual - Page 125
The projected image is blur., You cannot project an image appropriately., The projector is forced
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Troubleshooting ■The projected image is blur. Cause The image is out of focus. The distance to the screen is too short. The projector is not placed straight in front of the screen. The projector has been moved to a place where the temperature varies a lot. The lens is stained. Countermeasure Adjust the focus. (P52) Check whether the distance to the screen is appropriate. If the distance is shorter than approximately 1.2m (3.9'), the projector cannot focus on the screen. (P31, P134) Check whether the projector is placed obliquely to the screen. A slight error in the projection angle can be corrected through the keystone adjustment function. (P53) When the projector is moved from a low-temperature place to a high-temperature place, condensation may form on the lens. The condensation will evaporate a while later and the projector will be able to project a normal image. Clean up the lens. (P127) ■You cannot project an image appropriately. Cause The projected image is inverted in the vertical or horizontal direction. Countermeasure The ceiling mounted/rear projection setting is incorrect. Check the [Image flip H/V] setting in the [Display settings] menu. (P81) ■The projector is forced to be turned off. Cause The air intake or exhaust vent is blocked. The air filter is dirty. The lamp has exploded (or it is defective). The operating temperature is inappropriate. Other reasons Countermeasure Check whether the air intake or exhaust vent is blocked. If the air intake or exhaust vent is blocked, the temperature inside the projector rises and the power is automatically turned off to protect the projector. (The WARNING lamp flashes once.) Wait until the internal temperature gets down, and then turn on the projector without blocking the intake and exhaust vents. (P22, P23, P42) Check whether the bottom air filter is clogged with dust. If the air filter is clogged, clean or replace the air filter. (P128) Check whether the lamp has exploded. If the lamp has exploded, replace it. The lamp may be defective if it has not exploded. Check the lamp by replacing it with a spare lamp if you have one. (P16, P129, P130) Check whether the operating temperature is 5 to 35°C. (P18) If you use the projector at 2300 meters or higher above sea level, contact your dealer. The projector may be damaged. Contact your dealer. Appendix 125