Dahua DH-XVR54 L-I2 Series User Manual page 268

Ai digital video recorder
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Parameter
Event Type
Upper Limit
Enable
Schedule
Alarm-out Port
PTZ Linkage
Post-Alarm
Post Record
Anti-Dither
Snapshot
Record Channel
Tour
Alarm Tone
Description
Select event type as High or Low, and set the upper and low temperature
limit respectively. For example, select event type as High and set upper
limit as 28, the alarm occurs when the temperature reaches 28 °C.
Enable the alarm function.
Define a period during which the alarm setting is active. For more
information about setting the period, see "5.10.4.1 Configuring Motion
Detection Settings".
Click Setting to configure the parameters.
General Alarm: Enable alarm activation through the alarm devices
connected to the selected output port.
External Alarm: Enable alarm activation through the connected
alarm box.
Wireless Siren: Enable alarm activation through devices connected
by USB gateway or camera gateway.
Click Setting to display the PTZ page.
Enable PTZ linkage actions, such as selecting the preset that you want to
be called when an alarm event occurs.
Set a length of time for the Device to delay turning off alarm after the
external alarm is cancelled. The value ranges from 0 seconds to 300
seconds, and the default value is 10 seconds. If you enter 0, there will be
no delay.
Set a length of time for the Device to delay turning off recording after the
alarm is cancelled. The value ranges from 10 seconds to 300 seconds, and
the default value is 10 seconds.
Configure the time period from end of event detection to the stop of
alarm.
Select the checkbox to take a snapshot of the selected channel.
To use this function, make sure the snapshot is enabled motion detect
alarms in Main Menu > STORAGE > Schedule > Snapshot.
Select the channel(s) that you want to record. The selected channel(s)
starts recording after an alarm occurs.
The recording for IoT alarms and auto recording function must be
enabled. For details, see "5.1.4.9 Configuring Recorded Video Storage
Schedule" and "5.9.1 Enabling Record Control".
Select the checkbox to enable a tour of the selected channels.
To use this function, make sure the tour is enabled and configured in Main
Menu > DISPLAY > Tour.
Select to enable audio broadcast/alarm tones in response to a
temperature alarm event.
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User's Manual

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