CP Plus 4/8/16 Channel DVR User Manual page 96

Make sure the power and data connection cables of the HDD are connected and
undamaged.
The HDD could be defective – test it with another device to find out.
The SATA port may be not working – have a qualified technician examine it to
find out.
5. What if the DVR is having problems with real-time images, such as serious color or
brightness distortion?
If PAL or NTSC has not correctly selected on the BNC output, the images will be
in black and white.
Make sure the DVR is compatible with the monitor being used.
Make sure the video transmission distance is not too far.
Try manually adjusting the settings of the DVR color, brightness, and so on.
6. What if there is no sound?
Check that the sound box or speaker functions. Also check for possible short-
circuiting problems.
The audio source may be connected to the video channel. Select the full-screen
mode to check.
The hardware of DVR could be defective - take the device to a certified
technician to have it examined.
7. What if the sound cannot be heard during playback?
There may be a settings problem: open the DVR settings menu and the
computer's audio settings menu, and check the settings.
Check the audio to see if it is set as "closed" in the playback interface.
8. What if the system time is not correct?
The wrong setting might be selected. Correct the time, and make sure to click
"
The battery may not be connected properly.
The battery might be dead, in which case, change the battery.
" to confirm the changes.
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