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mDVR304
USERS MANUAL
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The bit rate is also pre-set from the manufacturer to the default setting of 1 Mbps. Changing this setting will
increase or decrease the picture quality, the smaller the bit rate the smaller the file size but less picture quality;
the bigger the bit rate the bigger the file size and better picture quality.
5.6.5.
TRIGGERS
The DVR has 8 digital inputs available to connect to sensors. This triggers menu allows you to select which
sensor(s) will trigger the recording process. By placing a check in the “Trigger” box corresponding to the sensor
number on its left will activate that sensor. All sensors can be enabled simultaneously. OSD stands for On-Screen-
Display; this feature embeds the sensor name (assignable by end-user) into the video files. When playing back the
video, the sensor(s) can be identified by the embedded text on the video. Placing a check mark on the OSD box
enables this feature.
5.6.6.
PRE-RECORDING & POST-RECORDING TIME
Pre-recording defines how many seconds of video you want to include in the triggered event prior to the
time the trigger occurred. Post-recording defines how many seconds of video you want to include in the triggered
event after the time the trigger occurred.
For the above example, if the sensor got triggered at 12:00:00, the event would include 30 seconds of
video before the trigger and 30 seconds after the trigger, from 11:59:30 to 12:00:30 creating a marked event
containing 60 seconds of video. Values can be from 1 second to 600 seconds (10 minutes).
