Operation Manual
103 
Digital Video Recorder User Manual 
Note: User can click      Return button on the Blackberry phone to return the previous interface. 
Mark 1  Current viewing channel  Mark 2  Channel status 
Switch channels 
PTZ, click to switch to Fig 2 interface   
Snap   
Full screen 
Background alarm 
Stop rotating the PTZ 
Upward rotates the PTZ 
Downward rotates the PTZ 
Leftward rotates the PTZ 
Rightward rotates the PTZ 
Zoom In/Focus In/Iris Add 
Zoom Out/Focus Out/Iris Sub 
Preset 
Select the preset point 
Group 
Set the cruise line 










