Digital Video Recorder User Manual
67
Fig 7-4 right key sub menu
Stream:
this DVR supports master stream and sub stream. Master stream has higher frame rate, max 25FPS
（
PAL
）
/30
FPS
（
NTSC
）
for every channel, but it needs higher network bandwidth simultaneously; Sub-stream has low frame rate, max
6FPS
（
PAL
）
/7FPS
（
NTSC
）
for every channel, it requires low network bandwidth. Therefore, users can select the stream
according to their bandwidth.
All to master/sub stream:
set all channel to master stream or sub stream.
Enable audio:
enable or disenable audio
Full screen:
the live preview picture will display with full screen, the tool bar will be hided; double click left mouse or click
right mouse to return
Zoom in:
Single channel large screen electronic amplification
Left click the channel which needs to amplify; Click the right mouse, select Zoom in button and then click the left mouse to
amplify the image. Press left mouse to drug the cursor, user can view the image. Double-click the left mouse to exit. Click
the right mouse to return to the main interface.
7.3 Remote playback & backup
7.3.1 Remote playback
Click
button to enter into record playback interface, refer to Fig 7-5:
