Speco DVR-4TN Manual page 90

User's Manual
5.4.8
5.4.9
5.4.10
5.4.10.1
90
When an event is triggered while normal recording is in effect, the unit will
start copying the pre-alarm and the post-alarm video to the event video. The
pre-alarm duration can be set from 0~30 seconds. The default setting is 15
seconds.
The quality of the pre-alarm video is the same as the quality setting for normal
record video; and the quality of the post-alarm video is the same as the quality
setting for event record video.
Circular Recording
The user can choose to record video in circular mode or in linear mode, If you
choose to record in circular mode, then the unit begins to overwrite the oldest
recorded video and stores new video over the HDD spaces. If you choose to
record in linear mode instead, the unit stops recording when the HDD is full.
From the Record Setup menu, move the cursor to «Circular Recording» and
press ENTER, then select «ON» / «OFF» using UP / DOWN keys.
Audio Recording
This item allows the user to enable / disable the Audio recording function of
the unit. When set to «ON», audio input is recorded and saved with the video.
When set to <OFF>, audio is ignored. The default setting is «ON».
Purge Data
This item is used to delete the Normal or Event recording video. In Record
Setup menu, move the cursor to <Purge Data> and press ENTER; the Purge
Data menu is displayed.
Purge Data
1. Purge All Data NO
2. Purge All Event Data NO
3. Purge Event Before 2000/01/01
4. Start to Purge NO
Purge All Data
This item is used to delete all video from database(s). Using UP / DOWN
buttons to select «YES» and start the deleting by setting the «Start to Purge»
to «YES».
DVR-4TN/8TN/16TN/16TS/16TT Series
SPECO TECHNOLOGIES 05/07