Planet Technology DVR-471 - Manual (Page 39)

4/16-ch H.264 Digital Video Recorder
4.3.7.3 User Authority
You can give different user with independent authority by this setting. ON means user can
use the specific function.
4.3.7.4 DVR Menu Setup
1. Menu Initialize
If select YES, all menu setting will be restore to factory default.
NOTE: After initialized, HDD data will not be deleted.