![Uniden BC6440D Owner'S Manual Download Page 51](http://html1.mh-extra.com/html/uniden/bc6440d/bc6440d_owners-manual_3880710051.webp)
51
Something wrong with the USB backup.
Possible reasons:
• There are not enough DVR resources available. Please stop recording and proceed with backup.
• The backup device is not compatible.
• The backup device is damaged.
• Not enough room on backup device.
Alarm is not working.
Possible reasons:
• The alarm setting is incorrect.
• The alarm input signal is incorrect.