LT Security LTD2284HMK - Manual (Page 44)

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Check the brightness of the picture is 0, and bring it back to its original
default setting
No video input signal or too weak
Display settings in the preview set to be closed
The hardware of DVR is fault
4. Question: Why the DVR can’t record after startup and the interface shows “H”?
Answer:
Check the DVR whether it use by DC 19V power adaptor
Check the HDD whether it is formatted in DVR
Check the HDD power line and the data line whether they are
well-connected or badly
The HDD has problem
The SATA port has problem
5. Question: What is meaning by“R”“M”“I”“H” showed in interface?
Answer:
“ R”means the channel is recording
“ M” means the channel is being motion detection
“ I”means the channel is being alarm
“ H”means there is no HDD, the HDD is bad or the space of HDD is full
6. Question: Why DVR has the problem of real-time image, such as video image
color, serious bright distortion?
Answer:
BNC output, selectable PAL and NTSC is not correct, the image will be
black and white
DVR does not match with monitor
The video transmission distance is too far
The setting of dvr color , brightness and so on are wrong
7. Question: Why there is no voice when monitoring?
Answer:
Check if it is using positive sound box or speaker, users can have short