Hitachi CP-A100W, EDA100 user manual Mute function is working, AUDIO/SPEAKER setting is not correct

Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

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	The MUTE function is working.	18
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	The AUDIO/SPEAKER setting is not correct.	37
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	The lens door is not fully opened.	
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	The computer cannot detect the projector as a plug
	and play monitor.	11
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	The BLANK screen is displayed.	23
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