Net DVR DVR7004, User Manual, Page: 42 / 83

42
User Manual
4.3 Record Setup
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Definition: CIF/D1 adjustable.
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Encoding stream type: VBR and CBR.
VBR: It means when compress the video signal, system can adjust the
compression bite rate dynamically according to the changing of the
image source.Thus, when recording, system maximally saves HDD
capacity, and for net transmission, the bandwidth is also maximally
utilized.
CBR: The compression bitrate keeps constant even when image source
changes. The characteristic for CBR is in limited bitrate to have good
compression images, as well as easy to estimate the HDD occupation
and network bandwidth.
4.3.1 Record Parameter
Before using the record function, it is important to setting the record parameter. It is related to video playback and hard disk capacity, etc. After
login, select
“
record setup
”
->
“
record parameter
”
,enter the interface as follows:
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Channel No.:Customer can select the channel by pressing
“
+
”
,
“
-
”
on remote controller or by the mouse.
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Record mode:The record parameters will be active in the selected record mode.