Fig 4- 65 Sub-menus of history deletion
The historical deletions can be used to remove historical faults, historical linkage, historical
fire alarms and historical operations, and this historical information can be deleted by selecting
relevant option.
Prompt:
Barring special circumstances, the user is not suggested to delete
historical records. As important materials required for system maintenance, the
historical records are kept circularly and the latest 1000 records will be saved.
4.6
Special
The menu of special operations is shown below:
Fig 4- 66 Menu of special operations
Note: The special operations are only for system debugging and maintenance.
Therefore, they are restricted to developers and debuggers of our company. The
menu options of Special are not optional (gray) when logging in the system as the
system administrator.
4.6.1 USB data backup
Back up the system data into U disk. U disk is a standard device and the standard USB
interface is available on the system. Please format U disk by a card reader on a standard PC
before usage. The capacity of U disk for data backup shall be greater than 2M. The system
prompt is as follows:
Fig 4- 67 Prompt of USB data backup
