SD Video Recorder
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your control functions in accordance with the following:
1, Exchange the two lines of 485A and 485B, to see if they are connected wrong;
2, Confirm if the PTZ Protocol is right;
3, Confirm if the PTZ Address is right, our default is 1, trying to adjust to 0 or 2;
generally the PTZ address code is 1. The address code needs to be changed when multiple PTZ
devices connected. In addition, the address of each PTZ device cannot be duplicated, if you
have 4 PTZ devices, you can respectively set them to address 1, address 2, addresse3 and
address 4.
17. Q: what is the difference of Separate Recording Mode and Composite
Recording Mode?
A :
Separate Recording Mode
, that is, the DVR compress each of front-end camera's
image and audio separately, if it is a 4 - channel DVR, you will have 4 real-time D1 image AVI
files
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which is recorded on the SD card or USB disk at the same time.
Composite Recording Mode
, that is, to composite multiple front-end camera images
into a high - definition image (such as 1280x1024), and then compress the image with video
encoder, at one point in time there has been only 1 high - definition AVI files recorded on SD
card or USB disk.
Recording by Separate Mode can extract AVI file of each camera separately, but we can
get recorded file of combination image with 4 cameras by Composite Mode.
The default recording mode of the SD DVR is the Composite recording Mode, its advantages
are high-definition, storage space saving and convenient playing.
18. Q: How long will my SD card of 32GB record?
A: we have provided recording volume calculator software on the accessory CD, which
can run on a PC. Or in the record settings of the host, select the different settings, such as
quality, frame rate, it will show the total recording time of your current storage module below
the screen. Generally speaking, recording time not only relates with picture quality, frame rate,
but also relates with frequency of scenery changing in front of the camera lens. For some static
image, the real recording time will be considerably longer than the calculated time.
19. Q: Why can't I use VLC or other software to see the real time image through
the network?
A: The SD DVR turns off the network function by default, if you need network, please set
the "Network" to "on" in the "Record - Video Parameters ".
20. Q: Why is the bottom section of the screen with no image or video corruption?
A: Firstly, make sure the DVR’s video system and camera system are the same, for
example, it will occur when the DVR settings is PAL system, while the camera is NTSC system.
Conversely, if the DVR is set with NTSC system, scrolled fault images also occur when
connecting a camera with PAL system.
21. Q: when retrieving record files on the machine, only find the record files of
channel 1, how to find the files of the other channels?
A: Press the <left> or <right> keys on the remote control to switch other channels to
retrieve record files. On the top right of the screen will display which channel the current file
belongs to.
