Q-See QSNDVR16M User Manual page 47

Press ENTER key to visit the menu, information is given below (Fig 3.2.23 Information of deletion)
"DELETE FILE 0171 200 60407_170000 15AS
ARE YOU SURE?
[ENTER]→ YES [MENU]→ NO"
Press ENTER key to delete this record or press MENU key to quit deleting
"0171 200 60407_170000" is a record name.
"U" means unlock, if "U" is displaced by "L", this record is locked and can not be removed. Please refer to
Appendix C abbreviations explained.
D U
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