一、Before booting，Check m88 online 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 will not operate。When in use，First turn on the main wall power，Then turn on the teacher’s monitor and the teacher’s host computer power，Waiting to enter the operation interface，Then click the mouse to enter the Greenland digital learning software interface，Click on the "Broadcast Computers" drop-down menu "Computers"，Click on the "Video Broadcast" drop-down menu "Native Screen"，Complete operation。The equipment that needs to be used must be powered on in advance，Follow the reverse order when shutting down，Exit voice software，m88 online sports bettingTurn 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 authorization、Destructive m88 online sports bettingoperations such as formatting or changing hard disk data，It is prohibited to set various passwords without permission。

four、During normal operation of the voice device，There is some unknown failure in the equipment，Like crash、Unusual noise、Odor、Abnormal jitter in the display work area, etc.，Shut down 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 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。