93
1. RS-485 cable is connected wrong. The A and B cables might be inversely connected.
2. P/T/Z decoder, protocol, baud rate or addresses are not correct.
3.
Parallel connect a 120Ω resistor to resolve signal reflex caused by too many P/T/Z cameras on
the line.
4. The RS-485 port on the DVR is defective.
Blurred screen in preview mode
Possible reasons:
Make sure your camera
’s settings match the DVR’s video settings. If a camera is set to the NTSC
standard but the DVR is set to the PAL standard, the preview will be blurred.
Blurred screen in playback mode or failure to play back recordings
Possible reasons:
1. Procedure error, reboot the DVR.
2. HDD error, test or replace the HDD.
3. DVR hardware failure, contact your supplier.
Cannot connect to DVR through network
Possible reasons:
1. Check if the network connection is correct.
2. Check if the DVR network configuration parameters are correct.
3. Check whether IP address conflicts exist in the network.
Downloaded recording cannot be played
Possible reasons:
1. Player installation error.
2. The USB or HDD device has an error.
3. Do not install graphic software later than DirectX 8.1.
Internet Explorer Crash
Possible reasons:
Содержание LV-D0416AS
Страница 1: ...DVR User Manual...
Страница 47: ...46 DIAGRAM 3 34 HDD MANAGEMENT RECORD...
Страница 50: ...49 DIAGRAM 3 39 PERIOD DIAGRAM 3 40 LINKAGE SET DIAGRAM 3 41 PROCESS...
Страница 53: ...52 DIAGRAM 3 46 ENTER AUTHORIZATION CODE DIAGRAM 3 47 DROP BOX CAPACITY...