Optoma TX779P-3D User's Manual - Page 55
Remote Control, Audio, Message Reminders, There is no sound, The sound is distorted
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Message Reminders 4 Replacing the lamp: Appendices 4 Out of range: (see the following for more information) Remote Control If the remote control does not work 4 Check the operating angle for the remote control is approximately ±15°. 4 Make sure there are no obstructions between the remote control and the projector. Move to within 7m (23 ft) of the projector. 4 Make sure the batteries are inserted correctly. 4 Replace weak batteries in the remote control. Audio There is no sound 4 Adjust the volume on the remote control. 4 Adjust the volume of the audio source. 4 Check the audio cable connection. 4 Test the source audio output with other speakers. 4 Have the projector serviced. The sound is distorted 4 Check the audio cable connection. 4 Test the source audio output with other speakers. 4 Have the projector serviced. 55 English