一，设备在开始使用前，要先插电源和主机间的插头，再插网电电源插头，结束时正好相反，必须先拔掉网电源插头，再拔电源和主机间的插头：特别注意，在电源盒接通网电源时，不得按住主机上的按钮开关（这一点对用脚蹋开关的用户特别注意）否则将会使仪器造成严重损坏。二，设备在不使用时，必须放在铝箱中，如果暂时不用，必须横放在桌上以免损坏，只要不在照射时，遮光罩必须盖上，平时铝箱存放时要避免摔倒，以免损坏仪器。

A device, before starting to plug the power between the host and the network, then plug the power plug, the end is just the opposite, must first disconnect the power plug plug network, and then pull the power between the host and the special attention: in the power supply box connected to power network, shall not hold down the button switch main machine the (the foot switch on users to pay special attention to the instrument) otherwise it will cause serious damage. Two, equipment when not in use, must be placed in the aluminum box, if not temporary, must be placed horizontally on the table so as to avoid damage, as long as the irradiation, hood must be covered, usually aluminum box when stored to avoid falling, so as not to damage the instrument.