Q-See QSD2316L User Manual page 54

Here users can set video system, menu language, audio, time and authorization check. The following are the
definitions of each option.
Device name: The name of the unit. It may display on the client end or CMS, which helps users to recognize the unit
remotely.
Device ID: It is used to identify multiple devices at the same place. Users can manage them by remote control.
Video format: Options are PAL and NTSC. Users make the choice according to format of the cameras.
Language: Set the menu language.
Authorization check: If enabled DVR needs user name and password when user wants to enter system setup,
playback, backup etc.
Audio: Enables audio in live view. Users can choose a channel for audio.
Date format: Three format options, YY-MM-DD, DD-MM-YY, MM-DD-YY.
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Digital Video Recorder User Manual
Fig 4.4 Basic Configuration