Dahua Smart 1U User Manual page 179

Parameter
Name
Period
PTZ
Alarm Out
Latch
Post Record
Anti-Dither
Record Channel
Snapshot
Tour
Voice Prompts
Description
Enter the customized alarm name.
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 "5.10.1.1 Configuring
Motion Detect Settings."
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.
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.
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.
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 event detection lasting time. The system records only
one event during this period. The value ranges from 5 seconds to 600
seconds.
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."
Select the Snapshot check box to take a snapshot of the selected
channel.
To use this function, make sure the following settings are configured:
The snapshot function is enabled for motion detect alarms in Main

Menu > STORAGE > SCHEDULE > Snapshot.
Select Main Menu > CAMERA > ENCODE > Snapshot, in the

Mode list, select Event.
Select the Tour check box 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/voice prompts in response to a local
alarm event.
Local Configurations 169