Dahua DH-XVR4104C-X, User Manual

Page: 207 / 327

Local Configurations 195
Parameter Description
Period
Click Setting to display setting interface.
Define a period during which the motion detection is active. For details,
see "Setting Motion Detection Period" section in "5.10.4.1 Configuring
Motion Detect Settings."
PTZ
Click Setting to display the PTZ interface.
Enable PTZ activation function. For each PTZ camera, select the
preset that you want to be called when an alarm event occurs.
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.
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.
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.
Record Channel
Select the channel(s) that you want to record. The selected channel(s)
starts recording after an alarm event occurs.
The recording for alarm and auto snapshot must be enabled. For
details, see "5.1.4.9 Configuring Recorded Video Storage Schedule"
and "5.9.1 Enabling Record Control."
Snapshot
Select the Snapshot check box to take a snapshot of the selected
channel.
To use this function, select Main Menu > CAMERA > ENCODE >
Snapshot , in the Mode list, select Event .
Tour Select the Tour check box to enable a tour of the selected channels.
Voice Prompts
Select to enable audio broadcast/voice prompts in response to a local
alarm event.