Jolimark DS-250, Руководство пользователя

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User’s Manual
28
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No Sound
• Is the audio source connected correctly?
• Is the volume setting adjusted to the minimum?
The Remote Control does not Work
• Is the infrared transmitter of the remote control pointing towards the infrared
sensor on the projector when it is operated?
The operating angle for the remote control is described in Page 7.
• Is the remote control too far from the projector?
The operating range for the remote control is about 7m.
• Is direct sunlight or strong light from fluorescent lamps shining onto the
infrared sensor?
• Are there batteries in the remote control?
• The batteries are inserted correctly?
• Are batteries used out?