User's Manual

深圳市雷松光电有限公司
Shenzhen Layson Optoelectronics Co., Ltd
22
（1）During the backup process, please do not insert/extract USB.
（2）During the backup process, please do not leave the page or power off.
8.3.2 Records Delete
Same as exporting records, you need to confirm the deleted record type, event type
and record range when deleting records. Then click ‘delete’.
Notice: the deleted records can not be recovered , please operate carefully.
8.3.3 Clear All records
Click Delete all records, all identification records will be cleared.
Notice: After the user record is deleted, it cannot be restored. Please operate with
caution.
8.3.4 save
After opening, save the identification record; after closing, the identification record
will not be saved.