System can calculate the record time based on the HDD space, or you can input the
record time you want to calculate the HDD space you need.
Step 1 From main menu->Info->System->Record estimation.
Enter record estimate interface. See Figure 4-230.
Figure 4-230
Step 2 Click after the channel name, system pops up Edit dialogue box. See Figure
4-154. Input resolution, frame rate, bit stream, record time of the corresponding
channel, system can calculate the record time based on the channel setup and
HDD space.