DResearch GmbH – Configuration of the Hydra
IP
analogue DVR
2011-02-02
20
Parameter
Recordings – Definition of records
Delete ring archives
after
The recordings are deleted after lapse of time (real time 24h = 1 day). This setting is
especially important for the implementation of information privacy. The data is deleted
accordingly, should the value be lower than the previous one.
Recommended setting: 72 hours
Alarm recording
duration
Setting the duration for alarm recording
.
The recording duration is given in hours and
refers to the actual recording time of the system. Default value is 72 hours. The oldest
data is automatically overwritten should the specified value be higher and the capacity of
the data storage medium not sufficient - automatic overwrite has to be enabled.
Recommended setting: 6 hours
Delete alarm
archives after
The recordings are deleted after lapse of time (real time 24h = 1 day). Automatic deletion
should always be enabled, otherwise the alarm archives will be filled to 100% and it will
not be possible to record any new alarm data. This setting is especially important for the
implementation of information privacy. The data is deleted accordingly, should the value
be lower than the previous one.
Recommended setting: 168 hours
Pre-alarm time
Setting how much data (in minutes) will be recorded in alarm mode, before the alarm is
triggered.
Recommended setting: 5 min
Post-alarm time
Setting how much data (in minutes) will be recorded in alarm mode, after the alarm is
triggered.
Recommended setting: 5 min
Parameter
Recording control - GPI trigger
ID
Label for the digital input that is used for the recording control of the system. The labels
can be changed in the tab „GPIO settings“.
Note: This action is triggered, as long as there is a trigger signal. Should a button
be used as trigger, the signal will only be present as long as the button is pressed.
Please follow the installation instructions, for connecting the trigger, carefully.
Action
Select the action that should be executed upon activation of the trigger (no action,
start/stop of ring and/or alarm mode). The recordings can be centrally started and stopped
for all active cameras. Cameras that are not labelled as active are principally not
recorded from.