User manual

DVR User’s Manual
- 75 -
When you into this menu, you can change current profile item between all profile items
that you configured.
Use & to switch current profile item.
Finish selecting, press to save current configuration, the DVR will reboot
automatically to enable current profile item.
2. Menu Item – File Prefix
Default value of file prefix is DVR_, you can change it to suit your requirements.
use to select correct first letter, then press switch to next letter area, until all
letters are set, finish setting the correct hostname, press to save current
configuration, press to quit the Lfprefi menu item.
3. Menu Item – SysCloc
The system clock of the DVR need to be calibrated for accurate time recording, it is
important for the Lap Timer. The default value is No, if you need to calibrate the system
clock, use
select Yes, then press to start calibrating.