D. The images per second rate shall be selectable for each connected camera as
follows:
1) The NTSC version DVRs allow selectable image per second (ips)record rates
of 30, 15, 10, 7.5, 6, 5, 4, 3, 2, 1, ½, 1/5, 1/10, 0.
2) The PAL version digital recorders shall allow selectable image per second
(ips) record rates of 25, 12.5, 8, 6, 5, 4, 3, 2, 1, ½, 1/5, 1/10, 0.
E. The DVR shall provide the following two modes of recording:
1) Continuously record to the disk until it is full, and then start
overwriting the oldest data. The unit shall provide overwrite protection
of the latest files for a period of 1 day up to 15 weeks. This overwrite
protection period is menu selectable during record setup.
2) Record to the disk and provide a warning when the disk is nearly full,
and then stop when the disk is full. Display a disk-full alert on the
main monitor and sound an alarm beeper. Older recordings must be manually
deleted.
F. The DVR shall provide the following monitor outputs:
1) A main monitor output provides composite video that displays full-screen,
quad, or multiscreen live or playback camera pictures. This monitor also
sequences cameras in quad format or sequences cameras in a full-screen
display. This monitor displays the menu, status messages, events, alarms,
and video loss warnings.
2) A secondary monitor composite video output displays a single, full-screen
picture of a selected camera or a sequence of full-screen pictures. This
monitor also displays alarmed or action detected video and sequences the
video in the case of multiple alarms or action.
G. The DVR shall contain an internal video motion detector function that
triggers an alarm when movement within a user-defined area of the image is
detected. When motion is sensed, the record rates and quality levels of up
to four (4) cameras may be changed.
H. The DVR shall provide a smart motion search feature that allows retrieval of
images, within a selected time frame defined by the user, that contain
motion within specified areas of the recorded video.
I. The DVR shall provide video loss detection to indicate the loss of a video
input signal.
J. The DVR shall have an internal DVD writer that supports DVD+RW, DVD+R, CD-R,
and CD-RW media. Marked video clips may be exported along with a PC archive
player to the internal DVD writer. All video recordings shall have an
encrypted code embedded in them that allows authentication of the recorded
images by ensuring that video and associated data have not been tampered
with.
K. The DVR specified shall store up to six (6) different system profiles that
contain configuration settings for recording data, handling alarms, setting
pre-positions for up to four controllable cameras, and access restriction
that determine system behavior when that profile is active. Profiles may be
activated by an input alarm switch or automatically by date and time. The
DVR shall allow different pre-positions for up to four controllable cameras
to be adopted upon the activation of a different profile.
L. The DVR shall provide a function that blocks the playback from any or all
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