1. will need to plug the signal, such as RGB, Video or Audio between a computer and a projector, already before you plug the power to the projector and security your computer because the signal plugged in after you turn it on, and then maybe make the Port or point of the projector and your computer is damaged, if the maraeng electricity. Between the computer and rao had a different projector. In addition, it may cause the projection screen, the projector is not valid or is not removed because the signal sent from the computer is not. Sync with projector, which is time-consuming for the tune. Therefore, for security reasons, and the procedures for implementation, it is recommended to follow this procedure every time haha. 2. in the case of a brake or between meetings. Shutting down the projector to save old tube is thought wrong, because during the opening of a high-voltage electricity is required than when full light bulbs so turned on during the summer, they are also tube as the tube picture deteriorate before time; Which, according to the statistics, found that the active projector continuously, there will be more than a projector bulb life duration of use, each time a little, but with close-open frequently, so if you want to stay for a short time, such as meeting Coffe Break Guide, press Mute on the remote control to turn off images temporarily instead of shutting down. 3. after the end of the meeting, will have to shut down by pressing the Power on the machine or on the remote control only. Do not turn off Main Breaker Switch or face decisive conference I do, it will make the picture tube lifetime is reduced by your knowledge. And before you unplug the Power to the machine storage bag will make sure that the cooling fan to stop rotating and then only. Who is going to take many projector cooling tube known as a very reduced Cooldown without wasting time to wait like a projector in the early?
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