D-Link DCS-2121 User Manual page 42

Recording Options
Resolution: This will let you set which video profile you wish to use to record video. Please
note that if the bitrate(bps) of the video profile is higher than your Samba network drive's
throughput, the recording's framerate(FPS) may be reduced.
Record until: You can use this setting to adjust how much free space must remain when
recording. It is suggested that you set this to at least 32M to allow for enough buffer space
for the camera to record with.
When storage is full: When your storage device is full or has reached the free space limit
specified in Record until, you can choose to stop recording, or you can have the camera
delete old recordings to free space for new recordings to be saved.
Note: If the camera is set to SXGA mode in Audio and Video, recordings will be made at a
maximum of Medium resolution only.
Scheduling
Event Based: Event based recording will allow you to record video when specific events
happen.
Motion detection triggered recording:
record video when motion is detected by the camera.
Digital input triggered recording:
input, it will start recording. You can find more information about the DI/DO interface
at the end of this document.
Prerecord: This will set how many seconds of video before the event takes place
will be recorded.
Postrecord: This will set how many seconds of video after the event takes place will
be recorded.
Example: Using motion detection triggered recording and setting Prerecord to 5
seconds and Postrecord to 9 seconds, the camera will save video from 5 seconds
before motion was detected to 9 seconds after motion was detected.
Continuous: This will set the camera to record continuously. This scheduling method can
only be done when recording to a Samba drive.
Scheduled Recording: This will set the camera to automatically record video during the
specified times in the table below. This scheduling method can only be done when
recording to a Samba drive.
After making any changes, click the Save Settings button to save your changes, or click the
Don't Save Settings button to discard your changes.
Enabling this option will set the camera to
When the camera receives a signal from its DI
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