Dahua DH-XVR5416L-X User Manual page 6

Signal Words
Revision History
No. Version
Meaning
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, lower performance, or unpredictable
result.
Provides methods to help you solve a problem or save you time.
Provides additional information as the emphasis and supplement
to the text.
Revision Content Release Time
Foreword V