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(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 AHD 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 AHD DVR is wrong.
(6) I cannot 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 The recording is not on.
(7) The local video is not clear.
Possible reasons are as followed:
1 The image quality is too bad.
2 The data line of the hard disk is damaged.
3 The hard disk is damaged.
4 The hardware of the AHD DVR is damaged.
(8) There is no audio signal in the surveillance window.
Possible reasons are as followed:
1 It is not an active tone arm.
2 It is not an active sound box.
3 The audio lines are damaged.
4 The hardware of the AHD DVR is damaged.
(9) There is audio signal in the surveillance window but mo audio signal in the playback
state.
Possible reasons are as followed:
1 Setting issues: the audio option is not chosen.
2 The according channel is not connected with the video.
(10) The time is wrong.
Possible reasons are as followed:
1 Setting is wrong..
2 The battery is in bad connection or the voltage is too low.
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