1 Note that the ground and power supply voltage polarity of the nominal value of the machine

2 Try to use original projector cables, wires

3 When the projector is used , such as unusual circumstances , first unplug the power

4 When the projector is turned on , you must remove the lens cap

5 When the projector is not in use , you must cut off the power

6 Note the use of the first to make the projector to cool

7 . Place the projector away from water or moisture when used

8 Note that dust, dust control measures can be taken after consultation with professionals

9 projectors use away from heat required

10. Users can not open their own repair and body , internal cable replacement parts to make use of original accessories

Two . Projector is connected laptop, no output image ?

When the notebook computer's external display devices , there are usually four display output control.

Some laptops with multi- display control features, you can select the signal input to the LCD screen, an external display device to display, external display when the set is in the disabled state , the projector can not receive signals up naturally . Please refer to the product manual settings accordingly can solve the problem.

Three . Projector use, the image appears blurred ?

1 Confirm the projection distance is within the range of focus , appropriately adjust the projection distance

(2) The lens is dirty , it will affect the image quality ; timely clean -up

3 Check the projector's brightness , contrast are adjusted correctly

4 Check the projector and screen placement angle is correct

5. The projector is used for too long

Four . When the projector is connected to some sources , the display is not correct