40
QCIF
、
CIF. Default resolution: CIF
Max Bit Rate: If you select VBR, when the video input has great movement, we need to limit the max bit
rate. The max bit rate selection has relations with resolution. If you select high resolution, you must select
high bit rate. If you select CBR, you can select bit rate size. Default bit rate: 512K
Coding Type: There are two options: CBR or VBR. Default type: VBR
If you select VBR, DVR will adjust the actual bit rate according to the video movement. When there is
not much movement, DVR will use low bit rate, while there is much movement, DVR will use high bit rate.
In this case, DVR can save HDD usage and network bandwidth.
If you select CBR, DVR will use the fixed bit rate to compress image.
Frame Rate: Frame per second. Options are: 25
（
PAL:25, NTSC:30
）、
13
、
6
、
3
、
1. Default frame rate: 25
Quality: Define the image quality. There are 5 options: Basic, Medium Good, High, and Best. High image
quality needs high bit rate size. Default quality: Good
In the course of setting up the parameters, if the parameters needed to be set the same in all channels, you can
select ‘
ALL
’ after finishing the setup of parameters of one
channel. The system will prompt a dialog box. When
pressing ‘
OK
’
, parameters setup for all channels will be achieved.
Section 12
User Management
Enter
“
Main Menu
－
Advanced
－
User
”
as shown in Fig.29.
