User manual
13 
USB BAKCUP
YES(SELECT) / NO(MENU)
A- B
  again to set the B point of video segment. On the surveillance screen will display 
“
A-B
” and repeat playing the AB point video segment which user has set. To cancel AB 
repeat, press 
A- B
 again. 
2.1.2  Using USB Backup Button 
User can press    button to backup the AB Repeat video 
file. 
1.  Set the AB Repeat file (see 2.1.1). 
2.  Plug in pen drive or external hard disk to DVR system. 
3.  During the AB Repeat playback, press  button. 
4.  And then, press  (YES)
to start backup file or press 
(NO) to exit backup mode. 
i
- 
If the external hard disk is first time using, please format to FAT32 format.   
- 
The external hard disk needs to be powered by external power.
2.1.3  Controlling PTZ Camera 
Using remote control, user can easily control PTZ camera at local site. Before starting, 
please go to OSD menu to enable PTZ control (see 3.1 Menu Function: PTZ Setup). 
2.1.3.1 To Enter the PTZ Mode 
To control PTZ camera, user need to enter the PTZ mode first. Press 
PTZ
button, and 
camera channel number button (
1 2
3
4
)
. The surveillance monitor will switch to 
single screen and display “
PTZ mode
” on the screen. 
To exit PTZ mode, press 
PTZ
and 
0
button. Also, when user doesn’t have any action 
over 1 minute, the system will automatically exit PTZ mode. 










