Canon SX7 User Manual - Page 128
You cannot hear sound., The projected image is blur., You cannot project an image appropriately.
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You cannot hear sound. Cause Countermeasure The audio cable is not connected Check the cable connection of the audio cable (P38). correctly. The [MUTE] function is enabled. Press the [MUTE] button on the remote control (P79). The volume level is adjusted to the Press the [VOL+] button on the remote control or top control to minimum. adjust the volume level (P79). An audio cable with a built-in resis- Use an audio cable without a built-in resistor. tor is used. The projected image is blur. Cause Countermeasure The image is out of focus. Adjust the focus (P51). The lens cap is not removed. Remove the lens cap. The distance to the screen is too Check whether the distance to the screen is appropriate. If the short. distance is shorter than approximately 1.2 m (3.9'), the projec- tor cannot focus on the screen (P32, 133). The projector is not placed straight Check whether the projector is placed obliquely to the screen. in front of the screen. A slight error in the projection angle can be corrected through the keystone adjustment function (P43, 52). The projector has been moved to a place where the temperature varies a lot. 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. The lens is stained. Clean up the lens (P120). You cannot project an image appropriately. Cause Countermeasure The projected image is inverted in The ceiling mounted/rear projection setting is incorrect. Check the vertical or horizontal direction. the [Image flip H/V] setting in the [Display settings] menu (P97). TROUBLESHOOTING 128