Beijing RuiZhitianhong technology Co.LTD
(4). Inner format：
Clean up inner files.
(5). Screen Lock
The screen will lock when the time reachs to the number you setup，and then input
the password to unlock the screen.
(6). Probation password
You can get a 20-digit-password from the website of ourcompany.
(7). Buttons check
Test the validity of the keyboard keys. Into test interface，the screen displays
highlights when key take effect, no highlights when key is broken. Press ―ok‖+
―cancel‖ to quit.
(8). Backup Data
Back up menu parameters，format system can’t effect this.
(9). Restore Data
Restore backup data to system.
(10). Auto Update
Update system online. Support the extension ******.PKG update file.
4．Operate File
ADD.：Beijing haidian district shangdi three street jiahua building A308. P.C.：100085.
Dell：010-62970368 82923063. Fax: 82920078 URL ：www.richnc.com.cn
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