Uniden GDVR 20 Series Owner's Manual page 60

Blurred screen when viewing the local video.
Possible reasons:
The video quality is set too low.
The program data reads wrongly, always become normal after rebooting
up the DVR.
Something is wrong with the data cable or the jumper of the hard disk
The hard disk is damaged.
The hardware of the DVR is damaged.
The time display is wrong.
Possible reasons:
The time setting is wrong. Day light saving time has not been set up
properly.
The battery is in bad connection or the voltage is too low.
The motion detection is not working
Possible reasons:
The time period setting is not correct.
The motion detection area setting is not appropriate.
The sensitivity is too low.
Cannot login via web or client.
Possible reasons:
ActiveX is held back.
Something is wrong with network connection.
Network setting problems
60