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Page 36 / 139 Scroll up to view Page 31 - 35
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D-Link DCS-±1±0 User Manual
Section ² - Configuration
Used to adjust the hour of time servers for
local settings.
Check this to enable daylight saving
time.
Set daylight saving time start and end date
by your local definition.
Synchronize with the NTP server over the
Internet whenever the DCS-2120 starts
up. It will fail if the assigned time server
cannot be reached.
Assign the IP address or domain name of
the time server. Leaving the text box blank
will let the DCS-2120 connect to default time
servers.
Used to adjust the hour of time servers for
local settings.The time interval for the camera to update the time settings from a NTP server.
Adjust the date and time according to what is selected by the administrator.
Synchronize the date and time of DCS-2120 with your local computer. The date and time of the PC is displayed
and updated in the DCS-2120.
Time and Date
Click on the Time and Date button to access the settings from the left side of the Setup menu.
Time zone:
Enable Daylight Saving:
Daylight Saving Dates:
Enable NTP Server:
NTP server Used:
Update interval:
Set the date and time
manually:
Copy Your Computer’s time
Settings:
Automatic Time Configuration:
Page 37 / 139
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D-Link DCS-±1±0 User Manual
Section ² - Configuration
Click on the Schedule button to access the Schedule settings from the left side of the Setup menu.
Schedule
This option enables the camera to take
snapshots.
Snapshot:
Page 38 / 139
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D-Link DCS-±1±0 User Manual
Section ² - Configuration
Schedule > Snapshot
Check this option to enable the snapshot for motion
detection and sequential snapshot.
Select the day(s) according to when you want the
camera to take snapshots.
This enables the camera to take snapshots
continuously.
The time range specified for the snapshot. For
example: the snapshot will start at eight o’clock in
the morning, and stop at five o’clock in the afternoon
when the following time period is input - [From 08:00
to 17:00].
This option will add the prefix to the snapshot file
name. If you don't have enough upload bandwidth,
the video clip file will not complete uploading during
the time interval and the upload file will not able to
playback. To avoid the problem, please reduce the
maximum file size or enlarge the time interval.
This option enables motion detection triggering for snapshot uploading.
Enable snapshot:
Weekly schedule:
Always:
From [00:00] to [00:00]:
Snapshot file name prefix:
Motion detection:
Page 39 / 139
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D-Link DCS-±1±0 User Manual
Section ² - Configuration
Check the motion detection window(s) to enable motion triggering. The window(s) can be created in the
Advanced > Motion Detection
page.
This option enables continuous snapshot uploading.
The time interval for continuous snapshot uploading.
This option enables the camera to send the snapshot via e-mail.
This enables the camera to send the snapshot to a FTP server.
This option will add a date and time indicator to the video clip file name. For instance, “snapshot@20060102030405.
mpg” indicates that the snapshot was captured at Year: 2006; Month: January; Date: 2nd; Time: 03:04:05 AM.
Detect Motion in:
Sequential:
Snapshot interval
Email:
FTP:
FTP put sanpshot with date
and time suffix:
Page 40 / 139
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D-Link DCS-±1±0 User Manual
Section ² - Configuration
“Best performance” means the image refresh rate should be the fastest possible and the video quality should be the
best possible at the lowest network bandwidth possible. Three factors, Maximum frame rate, Fixed bit rate, and Fixed
quality in the Video Configuration page, are related to performance.
Recording settings for real-time motion images
To achieve a real-time visual effect, the network bandwidth should be large enough to transmit 20 image frames per
second (fps) or more. If you are on a broadband network over 1 Mbps, you can set Fixed bit Rate to 1000Kbps or
1200Kbps, or set Fixed quality to achieve the maximum frames. The maximum frame rate is 25 in 50Hz system and
30 in 60Hz system. If your network bandwidth is more than 384Kbps, you can adjust Fixed bit rate according to your
bandwidth and set the maximum frame rate of 25 to 30.
If the images vary dramatically in your environment, you may slow down the maximum frame rate to 20 to decrease
the transmitted data for better video quality. Since the human eye can not easily differentiate between 20 and 25 or 30
frames per second, the slower frame rate will not be noticed. If your network bandwidth is below 384 Kbps, you should
adjust the bit rate according to your bandwidth and experiment to allow for the best frame rate that can be achieved.
The faster frame rate in a slow network will blur the images. You may also try to choose 320x240 in size option for better
images or 640x480 for larger image size. Because the network has burst constraints and everyone’s environment is
different, any poor connection will impair normal performance.
Recording settings for clear identification for each image
To have the best video quality, you should set Fixed quality to detailed or excellent and tune the Maximum frame rate to
suit
your network bandwidth. If you get some broken pictures in a slow network, you can set TCP protocol in Connection
type for a more accurate transmission but the received images may have a lag. Note that any slow connection with
multiple users will impair performance.
Recording settings to compromise between real-time and clear images
If you have a broadband network, set Fixed quality to Good image quality, or higher, instead of setting the Bit rate.
Otherwise, fix the bit rate according to your actual network speed and set the frame rate to 30. If the image quality is
low, select a lower frame rate above 15. If the image quality is still not improved, select a lower bit rate.
Recommendations for Setting Video for the Best Performance:

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