LT Security LTD3446HT User Manual
Page 19
>>Stand-alone DVR User Manual
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Pic.16 Time Set
5） FACT.SET: press
“FACT. Set”
button to pop-up the
“recover factory set”
dialog. As below:
Pic.17 Recover Factory Set
After recover factory set, the host number, video format, recording setting parameter etc. will not
change.
6） Upgrade：Copy the system upgrade file（*.bif）to your Flash disk, and insert it into USB port of DVR, press
“upgrade”
button to pop-up
“Search upgrade file”
dialog as below: Choose the right upgrade file, press
confirm button to pop-up
“Upgrade Confirm”
dialog. The process of upgrading will last about 1 minute
and the system will automatically restart, after the completion of the upgrade system.
NOTE：You can not cut off the power when upgrading, otherwise the DVR system will collapse.
Pic.18 Search Upgrade File