Modifications needed to power off power on sync this item, reset the desired amount of time time synchronization does not need our consideration. As shown below:
Demand changes are mainly brown-powered synchronize a reset amount of time required to synchronize the current time we do not need to be considered. Specifically in the following figure:
Required amount of modification is mainly power off power on synchronous this, demand time reset the time synchronization is not currently requires us to consider. As the map below: