Dahua ITC237-PU1B-IR Web Operation Manual page 41

Please refer to the following sheet for log parameter information.
Parameter
Code-stream
type
Encode mode
Resolution
Frame rate
(FPS)
Bit rate type
Bit rate
I frame
interval
Watermark
settings
Enable
Encode mode
Resolution
Frame rate
(FPS)
Bit rate type
Quality
Bit rate
I frame
interval
4.2.2.2 Snapshot
Figure 4-20 Video
Function
Support general type.
 It supports H.264B, H.264M, H.264H, H.265, MJPEG.
Display resolution.
Select fps
It includes: CBR and VBR. Under VBR, you can set image quality.
Under VBR, this value serves as upper limit. Under CBR, this value is fixed.

 It is the best range of bit rate.
It is the P frame between two I frame, with range1～150. Default is two times
frame rate.
By verifying watermark character, you may check if record is edited. Check
front box to enable function. Default watermark character is: DigitalCCTV.
Only number, letter, and underline are supported, max 85 characters.
Check to enable sub stream.
 It supports H.264B, H.264M, H.264H, H.265, MJPEG.
Only support 720P and D1.
Note:
Sub stream cannot be over main stream.
Select fps
It includes: CBR and VBR. Under VBR, you can set image quality.
Set quality. There are sic levels.
 Under VBR, this value serves as upper limit. Under CBR, this value is fixed.
 It is the best range of bit rate.
It is the P frame between two I frame, with range1～150. Default is two times
frame rate.
35