In order to facilitate the implementation of group control functions for multiple devices, for devices using Mode 2 and Mode 3, a cloud server based backend management software called “popsign back” can be provided.

This backend management software can not only achieve all the management functions of mobile apps, such as switching on/off devices, adjusting device brightness, uploading or deleting playback content, but also achieve more other functions：

• Adjustment of equipment parameters
• Group management of devices
• Viewing the historical operating status of devices
• Upload cloud program materials
• ……