System information

P56
4.5.7 Upgrade
Pic 4.55 Upgrade
【Upgrade】choose USB interface.
【Upgrade file】choose the upgrade file.
4.5.8 Device Info
Provide device interface info like audio in,alarm in/out to be conveniently used for user.
Pic 4.56 device info
4.5.9 Import / Export
Users can export the log info and the configure file from device to connected flash stick, and also can
import related configure file from flash stick to settings, which greatly bring convenience to the
customers.