124TROUBLESHOOTINGYou cannot hear sound.The projected image is blur.You cannot project an image appropriately.Cause CountermeasureThe audio cable is not connectedcorrectly.Check the cable connection of the audio cable (P36).The [MUTE] function is enabled. Press the [MUTE] button on the remote control (P76).The volume level is adjusted to theminimum.Press the [VOL+] button on the remote control or top control toadjust the volume level (P77).An audio cable with a built-in resis-tor is used.Use an audio cable without a built-in resistor.Cause CountermeasureThe image is out of focus. Adjust the focus (P49).The lens cap is not removed. Remove the lens cap.The distance to the screen is tooshort.Check whether the distance to the screen is appropriate. If thedistance is shorter than approximately 1.2 m (3.9'), the projec-tor cannot focus on the screen (P30, 129).The projector is not placed straightin front of the screen.Check whether the projector is placed obliquely to the screen.A slight error in the projection angle can be corrected throughthe keystone adjustment function (P39, 50).The projector has been moved to aplace where the temperature variesa lot.When the projector is moved from a low-temperature place toa high-temperature place, condensation may form on the lens.The condensation will evaporate a while later and the projec-tor will be able to project a normal image.The lens is stained. Clean up the lens (P116).Cause CountermeasureThe projected image is inverted inthe vertical or horizontal direction.The ceiling mounted/rear projection setting is incorrect. Checkthe [Image flip H/V] setting in the [Display settings] menu(P95).
