Evolveo DETECTIVE S4CIH7D, User Manual, Page: 68 / 76

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the DVR.
6 The hardware of the DVR is damaged.
3. System can not detect hard disk.
Possible reasons are as followed:
1 The hard disk power supply line is not connected.
2 The cables of the hard disk are damaged.
3 The hard disk is damaged.
4 The SATA port of main board is damaged.
4. There are no video outputs in single channel, multiple channels and
all channels.
Possible reasons are as followed:
1 The program is not matched. Please update the program.
2 The image brightness is all 0. Please restore the default setup.
3 There is no video input signal or the signal is too weak.
4 The channel protection or the screen protection is set.
5 The hardware of the DVR is damaged.
5. Real-time image problems such as the image color or the brightness
distortion.
Possible reasons are as followed:
1 When using the BNC output, the option between the N mode or PAL
mode is wrong and the image becomes black and white.
2 The DVR is not matched the monitor impedance.
3 The video transmission distance is too far or the loss of the video
transmission line is too large.
4 The color and brightness setting of the DVR is wrong.
6. I can not find the video files in local playback mode.
Possible reasons are as followed:
1 The data line of the hard disk is damaged.
2 The hard disk is damaged.
3 Update the different program with the origin program files.
4 The video files to look up are covered.
5 The recording is not on.
7. The local video is not clear.