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Configuring the DVR
700-0035 R004
3–13
3.2.4.3. Recording Capacity
The TR4 Plus DVR uses M-JPEG video compression to extend the recording time
on the hard drive. The recording time varies, depending on the settings for images
per second (speed) and picture quality.
The picture quality option lets you determine the amount a picture is compressed
versus the amount of memory the picture takes up on the hard drive. Table 3-7
shows the range for the picture quality settings where setting 1 is the standard
quality and setting 6 provides the highest picture quality. A higher picture quality
(6) means lower compression and a higher memory requirement. A lower picture
quality (1) means higher compression and a lower memory requirement.
The TR4 Plus DVR can record for extended periods of time, depending on the
images rate (
IPS
) and the picture quality. The following tables provide estimated
recording time in hours for 40 GB, 80 GB, 120 GB, and 160 GB hard drives.
Recording Quality
The Recording Quality can also be set
for the duration of the Alarm Event. For
example, changing the quality to 6
(
HIGH
) would provide a clearer picture
during the Alarm. Because the Alarm
Events are typically short in duration,
increasing the Recording Quality does
not have a significant impact on the
overall recording time available on the
hard drive.
•
1 (Standard)
•
2
•
3
•
4
•
5
•
6 (High)
4
Alarm Duration Time
Sets the length of time that the
Recording Speed and Recording
Quality settings are active.
(
NON
-
STOP
means that once an Alarm
Event has been triggered, the DVR does
not exit Alarm Mode until the DVR has
been turned off, or you have pressed the
STOP
button on the front panel (or
remote control).
5
SEC
, 10
SEC
, 30
SEC
, 1
MIN
,
5
MIN
, 10
MIN
, 30
MIN
, 60
MIN
and
NON
-
STOP
30
SEC
Table 3-6
Alarm Recording configuration items
Menu Item
Description
Values
Default
Table 3-7
Picture quality settings
Setting
Picture quality
Compression
Memory requirement
1-
STD
Standard Higher
Lower
2
3
4
5
6-
HIGH
Highest
Lower
Higher
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