一． 按键说明：
* 电源指示灯：开启电源
* 日光灯开关：启动日光灯
* 风车马达开关：启动风车马达
* 预留开关
二． 操作程序说明：
1．开机程序说明：
* 在每一次实验前须先启动电源开关（1）
* 启动日光灯开关（2）
* 再启动风车马达开关（3），则本机即可正常操作
2．关机程序说明：
* 关闭风车马达开关
* 关闭日光灯开关
* 关闭电源开关，或可直接关闭电源开关即可
Ⅰ. Pushbutton description:
* Power indicating lamp: to turn on the power
* Fluorescent lamp switch: to turn on the lamp
* Blower motor switch: to turn on the blower
* Spare switch
Ⅱ. Operation procedure:
1. Switch on the power (1) each time when start test
* Then start following steps
* Turn on the fluorescent lamp (2)
* Then start the blower (3), now the panel can work normally
2. Stop the panel
* Turn off the blower motor
* Turn off the fluorescent lamp
* Turn off the power; Can directly switch on / off the power
