1. The central control have the system locking function, which cannot be operated multimedia teaching system without authorization under the system locking state, the key operation is invalid after panel locking , and it is effective after unlock.
2. Built-in rich interfaces to meet the extended connection of different devices.
3. It can import and export infrared code of the equipment for convenient storage and batch installation.
4. It can import and export prefabrication code parameter setting, strengthen integrated operation, and expand more equipment.
5. Built-in infrared learning function, no need to configure professional learning device, easier to use,Single, more reliable storage.
6. Built-in projector bulb detection delay circuit, realize the electric screen connection and complete protection of the projector.