一、Before booting，Check m88 online sports bettingpower and voice devices first，And view the laboratory work log records。

2. It is strictly prohibited to change the machine position or replace parts without permission.

3. Strictly abide by the safety operating procedures of experimental instruments and equipment.

1、Observe voice device on、Shutdown sequence。The power on and off procedure must be performed by a teacher，Students are not allowed to operate。When in use，First turn on the main wall power supply，Then turn on the power of the system teaching platform，Open "Monitoring Speakers" or "Classroom Speakers" on the teacher's main control panel，Select channel according to playback source,Then turn on the teacher’s monitor and the teacher’s host computer，Waiting to enter the operation interface，Students open the desktop learning terminal by themselves，Complete operation。The equipment that needs to be used must be powered on in advance，Follow the reverse m88 best betting websiteorder when shutting down，Exit voice software，Turn off all devices (including motorized screens)，The projector must be shut down using the remote control (press the red power button twice and the power indicator light flashes，Waiting for about30seconds)，Wait until the power indicator light stops flashing before powering off，It is strictly prohibited to directly turn off the main power supply of the wall。

2、When the device is running，It is strictly prohibited to remove or insert any connecting parts or cables of any device，It is prohibited to bump or move voice equipment with force。

3、Do a good job in protecting teachers’ host systems，The storage media must be checked for viruses before using the courseware; maintain the interoperability of the equipment，Do not adjust or change the original settings of the voice device at will。

4、Without management consent，It is strictly prohibited to partition the teacher’s host without m88 online sports bettingauthorization、Destructive operations such as formatting or changing hard disk data，It is prohibited to set various private passwords。

four、During normal operation of the voice device，There is some unknown failure in the equipment，Like crash、Abnormal noise、Odor、Abnormal jitter in the display work area, etc.，Shut down the computer in time，And report it to the class teacher or administrator in a timely manner。

五、It is strictly prohibited to connect the power supply without permission in the language laboratory、Pull the line，It is strictly prohibited to tamper with the electric switch and air conditioner switch，Strictly no fireworks。

six、End of course task，Before leaving the language lab，Confirm that all devices in the classroom are turned off、And check after power outage。

seven、Teachers and administrators fill in the laboratory work log promptly and carefully。