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Page 111 / 138 Scroll up to view Page 106 - 110
111
DCS-2100 User’s Manual
D-Link Systems, Inc.
Using IP Surveillance Software
Modulation Mode:
The modulation mode cannot be changed. This depends on
how you recorded the video sequence in the monitor program.
If you select the wrong mode, the video shown in the display
area will become distorted. If you have chosen the wrong
modulation mode, you may open the settings dialog again,
change to the correct mode, and restart the playback program.
The display will now be normal.
Normal (Single Frame) Mode
While in the normal (single frame) display mode, you can change the video currently
displayed by:
1) Changing the database path for retrieving another one in the settings dialog of “System
Control” tool.
2) Changing the location selector to another location in control area.
3) Changing the playback method selector to “Full Range.”
4) Changing the playback method selector to “Time Period.”
Under the normal display (single frame) mode, you can use all the tools provided with
the playback program, except the page control. In this mode, the two labels under the
pull bar show the starting and the ending time of the interval individually (as shown
below).
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DCS-2100 User’s Manual
D-Link Systems, Inc.
Using IP Surveillance Software
Histogram Area
The histogram area in the normal display (single frame) mode only shows the events’
occurred time and the percentage of motion detection with red bars. If you want to access
the histogram area, you must change the area selection indicator to the histogram area.
You can mark one time interval you want to see with a color-inverted region by dragging
your mouse with the left button pressed (as shown below). When you release the left
button, the color-inverted region will be enlarged to the whole histogram area. This
color-inverted region will be the new period the program is going to display. If you change
your mind and don’t want to see that period, you can cancel it by just pressing the right
button of your mouse with the left button still pressed. If you click on the left button
without dragging it, the action will be the same as clicking on the pull bar in the same x-
axis position. That means the playback system will shift to the pointed time and show
video on the displaying frame. Besides, the dark regions in the histogram area mean
there is no existing video data in that interval. If you click on those regions, nothing will
happen except a warning message will pop up.
Using Tools
In this section, the method of how to use the tools in the control panel (shown in the
main playback window) will be discussed.
Selector Tools
The figure below shows the selector tools. They are location selector, period selector
for the selection of the beginning time and the ending time, playback method selector,
and alert area selector.
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DCS-2100 User’s Manual
D-Link Systems, Inc.
Using IP Surveillance Software
If you select this method, the database will be displayed from
the beginning to the end of this location. Any change in the
period selector will have no effect except when you change
this selector to “Time Period.”
If you change the playback method to “Time Period”, you can
modify the start and end time in the period selector. When you
click on the “Play” button in the jog dial, the period you selected
will be displayed.
Location Selector
The location selector is a control that lets you select the camera you want to see (refer
to the figure above). The location name is the same as the camera name (text on video)
unless you have specified otherwise.
Period Selector
Period selector provides you a precise way to choose the start time and the end time of
a new period. The end time must be later than the start time. After you provide the
correct start and end time, clicking on the “Play” button in the jog dial will play the new
period in the display area with changing the period start and end time label. Besides,
the pull bar and histogram area will change, too. If the selected period is not present in
the database, the data in the period selector will change to the previous correct start
and end time, and a warning message will be displayed.
Playback Method Selector
Full Range:
Since the program will record the previous start and end time in “Time Period” and
“Events Preview” mode, whenever you want to change the period selector to see the
other periods, you must change the playback method selector to the mode you want to
use first. Otherwise, the period selector will revert back to the previous period
set the
last time you changed the playback method selector.
Alert Area Selector
In the preview mode, the playback program can show the information of total events of
only one alert window each time. If you want to see the events of the other two alert
area windows, you must change the alert area selector to the other window numbers. In
the normal display mode, the alert window that the alert area selector indicates will be
highlighted with red rectangle if you checked that window in the settings dialog. The
alert area selector will be changed to alert window 0 by default settings when you
change the location selector to another window.
Time Period:
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114
DCS-2100 User’s Manual
D-Link Systems, Inc.
Using IP Surveillance Software
The supported “Play” button is an intelligent play user-interface.
The functionality of this button can vary to fit different
circumstances. In the normal display mode, clicking on the
“Play” button can restart the displaying video sequence.
When you want to stop the displaying video sequence, you
can click on the “Stop” button. Note that once you press the
“Stop” button, the start point will be reset to the start of the
present period.
The “Pause” button provides you a way to pause the video
sequence display. When the displaying video is paused, click
on the “Pause” button again to resume the video display.
This button is only valid when the displaying video sequence
is paused. It will display the next frame in that period when you
click on the “Forward” button one time.
The camera supports a maximum of x16 fast forward play and
minimum of /16 slow forward play. This function helps you
browse the surveillance database with more flexibility. If you
want to change the playing speed, you just need to move the
speed indicator. To increase playing speed, move the indicator
in the clockwise direction. And to decrease playing speed, move
it in the counterclockwise direction. The current speed that is
set will be shown in the second column of status area.
Play Control
For the play control, the jog dial, shown in the figure below, is used to provide the
easiest method of controlling the video sequence display. All buttons can control the
displaying frame in the normal display mode.
Play:
Stop:
Pause/Resume:
Forward:
Fast Play and
Slow Play:
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DCS-2100 User’s Manual
D-Link Systems, Inc.
Using IP Surveillance Software
When you click on the “Zoom In” button one time, the image
size in the display area will be magnified 12.5 percent to the
original size. Due to the limitation of the display area size, the
maximum zoom in ratio supported is only 2.25:1 for NTSC
modulation mode and 1.875:1 for PAL modulation mode. If you
want to see the image in more detail, you can use the full screen
function that is supported in the same toolbox.
When you click on the “Zoom Out” button one time, the image
size in the display area will be minified 12.5 percent to the
original size. To show the location and time information
completely, the minimum zoom out ratio is limited in 0.5:1.
When you click on the “Full Screen” button, the video sequence
will be enlarged to the whole screen instantly. You can double
click on any place or the “ESC” key to return back to the normal
screen. When you switch to the full screen display, you can
press the “Alt” and “Space” keys together to pop the jog dial to
control the displaying video sequence. Press the same keys
again to close the jog dial. You can also press the “Alt” and
“Enter” keys together to switch between the normal display and
full screen display at any time when the program is under the
normal display mode.
Display Adjustment Tool
When you move the mouse cursor to the displaying area, the display adjustment toolbox
will appear. Using the display adjustment toolbox, you can change the displaying video
sequence to the size you want to see in the normal display mode when you move the
area selection indicator to the display area. The figure below shows the display
adjustment toolbox and its own three elements, i.e. “Zoom In”, “Zoom Out”, and “Full
Screen.”
Zoom In:
Zoom Out:
Full Screen:

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