Instruction Manual

12
[Monitor Option]
 Start Delay: Starts monitoring after x second(s) when the system is activated.
 Post-Rec Motion: Keeps on recording for a set period of time after motion stops.
 Pre-Rec Motion: Records video for a set period of time before motion starts. This feature allows
you to choose RAM or HDD as a pre-recording buffer. The difference between the two is that RAM
can save smaller pre-record from 1 second to 1.5 minutes, while the hard disk can save larger one
from 1 minute to 45 minutes.
1. Enable the Pre-Rec Motion option.
2. Click the Arrow button beside. This dialog box appears.
Figure 1-7
[Pre-Record Performance] The amount of physical memory of the computer that the system
is running on determines the pre-recording performance. Some options are grayed out if the
computer does not have enough memory for the selections.
This table shows the maximum pre-recording frame rate and the physical memory
requirements of each setup:
Good Better Best Extra
Maximum pre-recording frames per camera (fps) 15 fps 30 fps 60 fps 90 fps
RAM required 128 MB 256 MB 512 MB 768 MB
Note: The recording frame rate is based on a 320x240 recording size.
[Pre-Record Option (per camera)] Determines the number of pre-record frames.
 Total Frames: Specify the maximum pre-recording frames of the system.
 Frame/Sec Limitation: Specify the maximum pre-recording frame rate (fps) of a
camera.