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Page 111 / 140 Scroll up to view Page 106 - 110
111
Playback Program (continued)
Using IP surveillance Software (continued)
Location selector
Period selector
Playback method selector
Alert area selector
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.
Page 112 / 140
112
Playback Program (continued)
Using IP surveillance Software (continued)
Playback Method Selector
Full Range
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.”
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.
±
±
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.
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.
Page 113 / 140
113
Playback Program (continued)
Using IP surveillance Software (continued)
Play
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.
Forward
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.
Speed Indicator
Forward
Play
Stop
Pause
Stop
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.
Pause/Resume
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.
Fast Play and Slow Play
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.
±
±
±
±
±
Page 114 / 140
114
Playback Program (continued)
Using IP surveillance Software (continued)
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
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 minimized 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.
Zoom Out
Page 115 / 140
115
Playback Program (continued)
Using IP surveillance Software (continued)
Full Screen
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.
Searching Range Adjustment Toolbox
When you move the mouse cursor to the alert histogram area, the display
adjustment toolbox will change to a range adjustment toolbox. The range
adjustment toolbox provides a faster way to change the range of the displayed
time period. By using this toolbox, you can browse the database of one location
from any 10-second interval of the entire range. The figure below shows the
searching range adjustment toolbox composed of its own three elements, i.e.
“Zoom In”, “Zoom Out”, and “Full Range.”
Zoom In
Each time you click on the “Zoom In” button in the searching range adjustment
toolbox, the displayed time period will be half in the center of the original time
period until the period is equal to 10 seconds. You can see the new interval in
more details. The scale of pull bar and alert histogram window change. The
period start and end time change as well. The period selector will show the
new start and end time. The display area will restart and display the new period
from the newly defined start time.

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