User manual

48
5 FAQ
1+ Q:After connect power supply, device can’t start-up normally
A:
1 Power supply is incorrect, “+” and “-” are jumbled.
2 The connection between DVR and power is unstable.
3 Power supply has broken
4 Firmware upgrades error.
5 Main board has broken.
2, Q: Device always shutdown automatically or crash.
A:
1 Power supply is unstable or too low.
2 HDD or IDE port has broken.
3 The power is not enough.
4 Video input not stable.
5 The connection between main borad and others is unstable.
6 Hardware may have something wrong.
3- Q:No video output
Av
1 Please check the power of video input whether is ok.
2 Please make sure the vedio cable connection to DVR is ok.
3 Please check the brightenss of video whether is 0, and then try to restore
default setting.
4 No video signal input or too weak.
5 Live view is OFF in DISPLAY menu.
6 Hareware has broken.
4. Q: Device is not recording and showing an “H” in live view.
A:
1 Make sure you are using DC 19V power adapter for DVR.
2 Make sure the HDD has formatted in device.
www.digitalworld.ro Tel. [phone]
DigitalWORLD