Signal NVR 2708 Manual de usuario descargar pdf (Pagina 57)

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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 NVR is damaged.

5、 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.

6、 The local video is not clear.

Possible reasons are as followed:

1 The image quality is too bad.

2 The reading program is wrong. Reboot up the NVR.

3 The data line of the hard disk is damaged.

4 The hard disk is damaged.

5 The hardware of the NVR is damaged.

7、 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 NVR is damaged.

8、 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.

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Signal NVR 2708 Manual de usuario Pagina 57