Dahua DH-XVR4104C-X, Руководство пользователя

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Local Configurations 201
Parameter Description
Type Temperature by default.
Detect Position
Name
Set the detect position name.
Preview Channel
Select the channel that you want to preview to help monitor the
channel of access point. This channel could be the channel of
access point or any other channels according to your actual
situation.
Event Type
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
℃
.
Upper Limit
Enable Enable the alarm function.
Period
Define a period during which the alarm setting is active. For more
information about setting the period, see "5.10.4.1 Configuring
Motion Detect Settings."
Alarm Out
Click Setting to display setting interface.
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.
PTZ
Enable PTZ activation function.
Click Setting to display the PTZ interface. For each PTZ camera,
select the preset, tour, or pattern that you want to be called when
an alarm event occurs.
Latch
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.
Post Record
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.
Anti-Dither
Configure the event detection lasting time. The system records
only one event during this period.
Snapshot
Select the check box 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 .