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Appendix 2.Mouse operation
*Take right hand as an example
The mouse in USB connection is supported.
Operation
Function
Double left
click
Double click one item in the file list to playback the video
Double click the playback video to zoom in or out the screen
Double click the channel to make it full screen display
double click again to resume the multi-window display
Left click
Choose the according function in the menu
Right click
Pop desktop shortcut menu in preview state
Current shortcut menu in the menu
Press middle
button
Add or subtract number in the number setting
Switch the items in the combo box
Page up or down in the list
Move mouse
Choose the widget or move the item in the widget
Drag mouse
Set the motion detect area
Set the cover area
Appendix 3.Hard disk capability calculation
Make sure the hard disk installed to the DVR for the first time. Pay
attention to the IDE hard disk lines connection.
1
、
Hard disk capability
There is no limit for recording machine. We recommend
120G~250G size to keep better stability.
2
、
Overall capability option
The hard disk capability formula is:
Overall capability
(
M)=channel number*time
(
hour)*capability in an
hour
(
M/hour)
The recording time formula is:
Recording time
(
hour)=
overall capability
(
M)
Capability in an hour
(
M/hour)*channel
number
The DVR introduces the H.264 compression technology. Its
dynamic range is very large so the hard disk capability calculation is
based on the estimation values of each channel creating files in an
hour.
Example:
For one piece 500G HDD, real time CIF for recording, it will keep
recording for about 25 days.HDD spaces per channel is 200M/H, if
4channels real time CIF at 24hours recording uninterrupted, it can
last:500G/(200M/H*24H*4ch)=26 days
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