LT Security LTD7604JM - Manual (Page 19)

11 Appendix Ⅱ frequently asked questions
※ Question Why the DVR doesn’t start after connecting the power?
Answer: Check if the power switch in the back channel is set to ON.
※
Question: Why does the DVR run slow when it starts?
Answer: ① Too much data in the HDD. DVR checks data when it starts which leads
to system starting slow.
②
HDD error – System will test HDD repeatedly and will make system starts slow.
※ Question: Why it keeps rebooting after the host is self-test?
Answer: ① Check the HDD. If the HDD partition is not in FAT32 format, or the HDD
has problem which will cause the host to reboot.
②
Check Video Parameter setting , if the host is in PAL state but the video input is
NTSC, then the host will keep rebooting.
※
Question: Why it will turn off when playing video or checking video information
during the normal routine?
Answer: ① Check HDD connection. ② Change HDD if there is a problem.
※
Question: Why the video displays only in black and white?
Answer: Check if the video input, DVR host, monitor or TV format matched. If they
don’t match, please set monitor or TV format to auto detect state.
※
Question: Why real time video and record data have color anamorphosis and
light distortion problem?
Answer: ① Reboot DVR, recover previous settings.
②
Adjust video setting in DVR’s setting.
※
Question: Why there is no display on the monitor or computer VGA?
Answer: ① Check if the power adaptor is working and the output is well connected;
②
Then check if the monitor is turned on and the video cable is correctly connected;
③ Connect the power, turn on the DVR, if there’s no video on the monitor but blue
screen, then change to a corresponding channel will display the video.
※
Question: Why the video has water wave and anamorphous?
Answer: ① Might be a broken Video cable or short circuit, or bad solder connection.
②
Video cable can be disturbed by strong power so it cannot be put close to a strong
power cable. Please use good quality cable.
③
In this system, only simple line connected to the ground is permitted. Please connect
the host to the ground through the ground screw located at the back panel.
④
Check if the camera or monitor or the cable have aging problem.