Dahua NVRPRO User Manual
1
Network Video Recorder User’s Manual
2
Table of Contents
)HDWXUHVDQG6SHFLILFDWLRQV ......................................................................................................................... 10
2YHUYLHZ .................................................................................................................................................. 10
)HDWXUHV ................................................................................................................................................... 10
6SHFLILFDWLRQV .......................................................................................................................................... 11
)URQW3DQHODQG5HDU3DQHO ......................................................................................................................... 14
)URQW3DQHO .............................................................................................................................................. 14
5HDU3DQHO............................................................................................................................................... 19
2.3.1 Device-end to PC-end..................................................................................................................... 22
2.3.2 PC-end to the device-end............................................................................................................... 23
0RXVH2SHUDWLRQ .................................................................................................................................... 23
5HPRWH&RQWURO ....................................................................................................................................... 25
3 1HWZRUN&RQQHFWLRQ....................................................................................................................................... 31
3
6\VWHP&DSDELOLW\........................................................................................................................................... 32
*8,2SHUDWLRQ ................................................................................................................................................. 33
/RJLQ ......................................................................................................................................................... 33
5LJKW&OLFN0HQX .................................................................................................................................... 34
0DLQ0HQX ............................................................................................................................................... 34
6HDUFK3OD\EDFN ................................................................................................................................. 35
,QIRUPDWLRQ............................................................................................................................................... 38
6.5.1 HDD Information .............................................................................................................................. 38
6.5.2 BPS .................................................................................................................................................... 39
6.5.3 Log ..................................................................................................................................................... 40
6.5.4 Version .............................................................................................................................................. 41
6.5.5 Online Users ..................................................................................................................................... 41
6HWWLQJ ...................................................................................................................................................... 42
6.6.1 General ............................................................................................................................................. 42
6.6.2 Encode .............................................................................................................................................. 44
6.6.3 Schedule ........................................................................................................................................... 45
6.6.4 RS232 ............................................................................................................................................... 46
6.6.5 Ne
t
work ............................................................................................................................................. 47
6.6.5.1 Advanced Setup ..................................................................................................................... 48
6.6.5.2 IP Filter ..................................................................................................................................... 48
6.6.5.3 NTP Setup ............................................................................................................................... 49
6.6.5.4 Multiple Ca st Setup ................................................................................................................ 49
6.6.5.5 PPPoE ...................................................................................................................................... 50
6.6.5.6 DDNS Setup ............................................................................................................................ 51
6.6.5.7 UPNP ....................................................................................................................................... 51
6.6.5.8 Email ......................................................................................................................................... 53
6.6.5.9 FTP ........................................................................................................................................... 54
6.6.5.1 Alarm center ............................................................................................................................ 55
6.6.6 Alarm ................................................................................................................................................. 56
6.6.7 Detect ................................................................................................................................................. 58
6.6.8 PTZ..................................................................................................................................................... 61
4
6.6.9 Display ............................................................................................................................................... 63
6.6.10 Default ................................................................................................................................................ 64
$GYDQFHG ................................................................................................................................................. 65
6.7.1 HDD Management ........................................................................................................................... 65
6.7.2 Abnormity .......................................................................................................................................... 68
6.7.3 Alarm Output .................................................................................................................................... 69
6.7.4 Manual Record ................................................................................................................................. 69
6.7.4.1 Manual record menu .............................................................................................................. 69
6.7.4.2 Basic operation ............................................................................................................................ 69
6.7.4.3 Enable/disable record ............................................................................................................ 70
6.7.4.4 Enable all channel recording ................................................................................................ 70
6.7.4.5 Stop all channel recording ..................................................................................................... 71
6.7.5 Account ............................................................................................................................................. 71
6.7.5.1 Modify Password .................................................................................................................... 72
6.7.5.2 Add/Modify Group .................................................................................................................. 73
6.7.5.3 Add/Modify User ..................................................................................................................... 73
6.7.6 Auto Maintenance............................................................................................................................ 74
6.7.7 Remote Device ................................................................................................................................ 74
6.7.8
Config File Backup ..........................................................................................................................
74
6KXWGRZQ ................................................................................................................................................. 75
4XLFN&RQILJXUDWLRQ7RRO ............................................................................................................................... 76
2YHUYLHZ .................................................................................................................................................. 76
2SHUDWLRQ ................................................................................................................................................. 76
:HE .................................................................................................................................................................. 79
*HQHUDO,QWURGXFWLRQ .............................................................................................................................. 79
8.1.1 Preparation ....................................................................................................................................... 79
8.1.2 Log in ................................................................................................................................................. 79
0DLQ,QWHUIDFH ......................................................................................................................................... 80
8.2.1 Monitor Channel Menu Tree .......................................................................................................... 81
8.2.2 System Menu ................................................................................................................................... 83
8.2.3 Monitor Window Switch .................................................................................................................. 83
5
8.2.4 Preview Window Switch ................................................................................................................. 83
8.2.5 PTZ Control ...................................................................................................................................... 83
8.2.6 Color and More Setup ..................................................................................................................... 85
&RQILJXUDWLRQ ........................................................................................................................................... 86
8.3.1 System Information ......................................................................................................................... 86
8.3.1.1 Version Information ................................................................................................................ 86
8.3.1.2 HDD information ..................................................................................................................... 87
8.3.1.3 Log ............................................................................................................................................ 87
8.3.2 System Configuration ...................................................................................................................... 88
8.3.2.1 General Setup ......................................................................................................................... 88
8.3.2.2 Encoding configuration .......................................................................................................... 91
8.3.2.3 Schedule .................................................................................................................................. 92
8.3.2.4 RS232 ...................................................................................................................................... 93
8.3.2.5 Network .................................................................................................................................... 94
Advanced setup ............................................................................................................................................. 95
8.3.2.6 Alarm ...................................................................................................................................... 102
8.3.2.1 Detect ..................................................................................................................................... 104
8.3.2.2 PTZ ......................................................................................................................................... 106
8.3.2.3 Default & Backup
.................................................................................................................. 106
8.3.3 Adv
anc
ed ........................................................................................................................................ 107
8.3.3.1 HDD Management ................................................................................................................ 107
8.3.3.2 Abnormity ............................................................................................................................... 109
8.3.3.3 Alarm I/O ................................................................................................................................ 110
8.3.3.4 Record .................................................................................................................................... 111
8.3.3.5 Account .................................................................................................................................. 112
8.3.3.6 Auto Maintenance ................................................................................................................ 113
8.3.3.7 Remote device........................................................................................................................... 114
8.3.4 Additional Function ........................................................................................................................ 114
8.3.4.1 Auto register .......................................................................................................................... 114
8.3.4.2 DNS ........................................................................................................................................ 115
6HDUFK .................................................................................................................................................... 116
$ODUP ...................................................................................................................................................... 117
$ERXW ...................................................................................................................................................... 119
/RJRXW ................................................................................................................................................... 119
7
8
Important Safeguards and Warnings
1᧪᧪Electrical safety
All installation and operation here should conform to your local electrical safety codes.
We assume no liability or respon sibility for all t he fire s or e lectrica l shock cause d by improper handling or
installation.
2
᧪
Transportation security
Heavy stress, violent vibration or water splash are not allowed during transportation, storage and
installation.
3
᧪
Installation
Keep upwards. Handle with care.
Do not apply power to the NVR before completing installation.
Do not place objects on the NVR
4
᧪
Qualified engineers needed
All the examination and repair work should be done by the qualified service engineers.
We are not liable for any problems caused by unauthorized modifications or attempted repair.
5
᧪
Environment
The NVR should be installed in a cool, dry place away from direct sunlight, inflammable, explosive
substances and etc.
This series product shall be transported, storage and used in the environment ranging from 0ć to 55 ć
6. Accessories
Be sure to use all the accessories recommended by manufacturer.
Before installation, please open the package and check all the components are included.
Contact your local retailer ASAP if something is broken in your package.
9
10
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It is a high performance network video recorder. This series product support local preview,
multiple-window display, recorded file local storage, remote control and mouse shortcut menu operation,
and remote management and control function. All these functions support this series product to be
used in various situations.
This series p r oduc t s upp or ts c entr e s tor age, front - end s tor age and client- end s torage. The monitor zone
in the front -end can be set in anywhere. Working with oth er front -end dev ices such as I PC, NVS, thi s
series pr oduct can es tabl ish a s trong surv eillanc e netw ork via the CM S. In the netw or k system, there i s
only one networ k cabl e from the moni tor centre to t he moni tor zon e in th e whole network . There is no
audio/vi deo cable fr om the m onitor c entre to the m onitor zone. T he whol e project i s featur ing of simp le
connection, low-cost, low maintenance work.
This series NVR can be widely used in many areas such as public security, water conservancy,
transportation and education.
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User
Management
x ·Each group has different management powers that can be edited freely.
Every user belongs to an exc lus i ve group.
Storage
x Via corresponding setup (such as alarm setup and schedule setup), you
can backup related audio/video data in the network video recorder.
x Support Web record and record local vid
eo and storage the file in the
client end.
Alarm
x Respond to external alarm simultaneously (within 200MS), based on
user’s pre-defined relay setup, system can
process the alarm input
correctly and prompt user by screen and voice (support pre-
recorded
audio).
x
Support central alarm server setup, so that alarm information can
remotely notify user automatically
. Alarm input can be derived from
various connected peripheral devices.
x Alert you via EMAIL.
11
Network
M
onitor
x Through network, sending audio/video data compressed by IPC or NVS
to client-ends, then the data will be decompressed and display.If
bandwidth is big enough, latency is less than 500ms
x Support max 10 connections
x Transmit audio/video data by HTTP, TCP, UDP, MULTICAST, RTP
/RTCP
and etc.
x Transmit some alarm data or alarm info by SMTP.
x Support WEB access in WAN.
Window Split
x Adopt the video compression and digital process to show several
windows in one monitor. Support 1/4/9/16-window display.
Record
x Support schedule record function. Save the recorded files in the HDD,
client- end PC, or networ k stor age server. You can search or playback the
saved files at the local-end or via the Web.
Backup
x Support network backup, USB record backup function, the recorded files can
be saved in network storage s
erver, peripheral USB device, burner and etc.
Network
Management
x Supe rvise NVR configuration and control powe r via Ethernet.
x Support management via WEB.
Peripheral
Equipment
Management
x Support peripheral equipment management such as protocol setup and
port connection.
x Support transparent data transmission through RS232/RS485.
Auxiliary
x Support switch between NTSC and PAL.
x Support real-time system resources information and running statistics
display.
x Support log file.
x Local GUI output. Shortcut menu operation via mouse.
x IR control function. Shortcut menu operation via remote control.
x Support IPC or NVS remote video preview and control.
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Parameter
Specification
1U Series
System
Resources
Max. sup port 16- ch standard def ini tion w ith the tra nsm ission rate of 2m bps f or each
channel;
8
-channel 720P, with the transmission rate of 4mbps for each channel;
4
-channel 1080P, with the transmission rate of 8mbps for each channel;
S
upport 20 online users at the same time,
The image delay time of each channel is under 500ms.
12
Operation
System
Embedded Linux real-time operation system
Operation
Interface
WEB/Local GUI
Video
Compression
H.264/MPEG4
Encode
Capacity
For H.264, it max supports 16*D1, 8*720,4*1080P.
Audio
Compression
G.711a
Video Output
1-channel VGA analog video output.
Video Input
4/8/16-ch network compression digital video input
HDMI
1-ch HDMI output.
Audio Input
N/A
Audio Output
N/A
.
Wi
ndow S
plit
4/9/16-window
Multiple-chann
el Playback
Max 16-channel playback.
Alarm Input
4/8/16-ch alarm input.
Alarm Output
3-ch alarm output
Relay output. Relay ˄DC 30V 1AˈAC 125V0.5A˄Activation output
˅˅
Including one controllable DC +12V output.
Storage
2 built-in SATA port s
N/A
RS232
Port
One RS232 port to debug transparent COM data.
RS485 port
One RS485 port to control PTZ. Support various protocols.
USB Port
2 peripheral USB ports.
13
Network
Connection
One RJ45 10/100M/1000M self-adaptive Ethernet port.
Power
Port
One power port, pow er adapter. Input
DC 12V.
Power Button
One power button in the rear panel.
Power Button
One power button in the front panel.
IR Remote
Control
Receiver
N/A
Clock
Built-in clock.
Indication Light
16 record status indication lights
One power
status indication light.
One alarm
status indication light.
One network
status indication light.
One HDD status indication light.
Power
Consumption
˘
12W(Exclude HDD)
Working
Temperature
0ć+50
ć
Working
Humidity
10℅ˉ90℅
Air pressure
86kpaˉ106kpa
Dimension
440mm*300mm*42.6mm
Weight
1.52.5 KG˄Exclude HDD
˅
Installation
Desk insta llation/Rack installation
14
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2.1.1 1U Series
The -1U series NVR front panel is shown as below. See Figure 2-1.
Figure 2-1
Please refer to the following sheet for detail information.
Name
Icon Function
Power button
Power button, press thi s button for three seconds to b oot up or
shut down
NVR.
Number button
0-
9
Input Arabic number
Switch channel
Shift S
hift
In textbox, click this button to switch between numeral,
English(Small/Capitalized),donation and etc.
Enable or disable tour.
Up/
Down
Activate current control, modify setup, and then move up and
down.
Increase/decrease numeral.
Assistant function such as PTZ men
u.
Left/
Right
Shift current activated control, and then move left and right.
When playback, click these buttons to control playback bar.
ESC
ESC
Go to previous menu, or cancel current operation.
When playback, click it to restore real
-time monitor mode.
Enter
ENTER
Confirm current operation
Go to default button
15
Go to menu
Record
REC
Manually stop/start recording, working with direction keys
or numeral keys to select the recording channel.
Slow play
Multiple slow play speeds or
normal playback.
Assistant
Fn
One-wi ndow monit or mode, cl ick thi s button to disp lay assistant
function: PTZ control and image color.
Backspace function: in numeral control or text control, press it for
1.5seconds to delete the previous character before the cursor.
In moti on detec tion se tup , w orki ng wi th Fn and dir ection k eys to
realize setup.
In text mode, click it to switch between numeral, English
character(small/capitalized) and etc.
In HDD management int erface, you can cl ick it to sw itch HDD
record information and other information (Menu prompt)
Realize other special functions.
Fast play
Various fast speeds and normal playback.
Play previous
x
In playback mode, playback the previous video
Play Next
x
In playback mode, playback the next video
Reverse/Pause
W
In normal playback or pause mode, click this button to reverse
playback
In reverse playback, click this button to pause playback.
Play/Pause
f
In normal playback click th
is button to pause playback
In pause mode, click this button to resume playback.
Window switch
Mult
Click it to switch one
-window/multiple-window.
USB port
To connect USB storage device, USB mouse.
Power indication
light
PWR
Power
indication light
16
Record light
1-16It becomes on when system is recording.
IR Receiver
IR
It is to receive the signal from the remote control.
HDD abnormity
indicator
HDD
The red light is for the HDD
abnormity
Network
abnormity
indicator
Net
Th
e red light is for the network abnormity
17
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2.2.1 1 U Series
The 1U series NVR real panel is shown as in Figure 2-3.
Figure 2-3
Please refer to the following sheet for detailed information.
Port Name Connection Function
USB port. Connect to USB mouse.
Network port 10M/100M self-adaptive Ethernet port. Connect
to the
network cable.
RS232 232 debug
COM.
It is for general COM debug to configure IP
address or transfer transparent COM data.
HDMI High Definiti on
Multimedia
Interface
High definition video signal output port.
Transmit the clear video and multiple-track data
(Unc
ompressed)to the device of HDMI(High
definition media interface)
VGA VGA video
output port
VGA VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
116
Alarm input port.
116
I/O po
rt
z Four g roups of al arm input ports. The f irst
group
is from port 1 to port 4, the secon d
group is from port 5 to port 8, the third
g
roup
is from 9 to 12, and the four th g roup
is from 13 to 16. They are to receive the
signal from the external alarm source.
There are two types; NO (normal open)/NC
(normal close).
z When your alarm input device is using
ex
ter
nal power, please make sure the
device and the NVR have the same
ground.
Alar m input port
ground end
Al
arm input ground end.
18
Port Name
Connection
Function
NO1
NO3
1-3-ch alarm
output port
z 3 groups of alarm output ports. (Group 1˖
port NO1 C1,Group 2:port NO2
C2,Group 3:port NO3C3˅
).Output alarm
signal to the alarm device. Please make
sure there is power to the external alarm
device.
NO
˖Normal open alarm output port.
z C˖Alarm output public end.
C1
C3
A
RS485
communication
port
RS485_A port. It is the cable A. You can
connect to the control devices such as speed
dome PTZ.
B
RS485_B.It is the cable B. You can connect to
the control devices such as speed dome PTZ.
Power port
Input 12V DC.
Power button
Power on/off button.
19
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Please refer to the following sheet for mouse operation instruction.
Left click
mouse
W
hen you have selected one menu item, left click mouse to view menu content.
Modify checkbox or motion detection status.
Click combo box to pop up dropdown list
20
In input b ox, you c an sel ect i nput m et hods. Left c lic k the cor res ponding b utton
on the panel you ca n inp ut num er al/Eng li sh char acter ( sm all/cap ita li zed) . Her e
← stands for backspace button.
˻ stands for space button.
In Englis h input mode: _stands for input a backspace icon and ← stands for
deleting the previous character.
In numeral input mode: _ stands for clear and ← stands for deleting the
previous numeral.
When input special sign, you can click corresponding numeral in the front panel
to input. For example, click numeral 1 you can input“/” , or you can click the
numeral in the on-screen keyboard directly .
Double left
click mouse
Implement special control operation such as double click one item in the file list
to playback the video.
In multiple-window mode, double left click one channel to view in full-window.
Double left click curren
t video again to go back to previous multiple-
window
mode.
Right click
mouse
In real-time monitor mode, pops up shortcut menu.
Exit current menu without saving the modification.
Press middle
button
In numeral input box: Increase or decrease numeral value.
Switch the items in the check box.
Page up or page down
Move mouse
Select current control or move control
Drag mouse
Select motion detection zone
Select privacy mask zone.
21
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The remote control interface is shown as in X282H282H282HFigure 2-4X.
Please note remote control is not our standard accessory and it is not included in the accessory bag.
Figure 2-6
Please refer to the following sheet for detailed information.
Serial Number Name Function
1 Power button Click it to boot up or shut down
the device.
2 Address Click it to input device number, so
that you can control it.
3 Forward Various forward speeds and
normal speed playback.
4 Slow play Multiple slow play speeds or
normal playback.
22
5 Next record
In playback mode, playback the
next video.
6 Previous record
In playback mode, playback the
previous video.
7
Play/Pause
In pause mode, click this button
to realize normal playback.
In normal playback click this
button to pause playback.
In real-time monitor mode, click
this button t o enter video searc h
menu.
8 Reverse/pause
Reverse playback pause mode,
click t his button t o reali ze nor mal
playback.
In reverse playback click this
button to pause playback.
9 Cancel
Go back to previous menu or
cancel current operation (close
upper interface or control)
10
Record
Start or stop record manually
In record interface, working with
the directi on butt ons to s elec t the
record channel.
C
lick this button for a
t least 1.5
seconds, system can go to the
Manual Record interface.
11
Direction keys
Switch current activated control,
go
to left or right.
In playback mode, it is to co ntrol
the playback process bar.
Aux function(such as switch the
PTZ menu)
12
Confirm /menu key
go to default button
go to the menu
13
Multiple-wind ow switch
Switch between multiple-window
and one-window.
14
Auxiliary key
In 1-ch monitor mode: pop up
assistant function
˖
PTZ control
23
and Video color.
Switch the PTZ control menu in
PTZ control interface.
In motion detection interface,
working with direction keys to
complete setup.
15
0-9 number key
Input password, channel or
switch channel.
Shift is the button to switch the
input method.
Figure 2-1
24
25
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Please refer to the following figure for 2U series connection.
.
Figure 4-1
26
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The max. system capability that this product series supports is 16-CH standard definition with
transmission rate 2mbps every channel or 4-ch high definition with transmission rate 8mbps.
The delay time for switch-in is under 500ms every channel.
Model System capability
4-ch series Max. sw itch-in: 4-channel s tandard def inition device wi th each channel max.
supports 2 Mbps or 2-ch 720P or 1-ch 1080P.
8-ch series Max. sw itch-in: 8-channel standard def inition device wi th each channel max.
supports 2 Mbps or 4-ch 720P or 2-ch 1080P.
16-ch series Max. sw itch- in: 16-c hannel standard d efini tion dev ice w ith each channel m ax.
supports 8-channel 720P /4Mbps or 4-ch 1080P.
Definition:
The standard definition device: the devices whose encoding resolution is under D1;
The high definition device: the devices whose encoding resolution is above 720P.
27
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Connect the device to the monitor, insert the mouse and connect the power cable. Push the on/off
button in the rear panel and then you can see the analog video output. You can use the mouse to
implement some simple GUI operation. Please refer to the following chapter for detail information.
All the operations listed below are based on our 16-ch series device.
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After device booted up, the system is in multiple-channel display mode. See Figure 6-1.
You can overlay the corresponding date, time and channel name on each screen. You can refer to
the following sheet for channel record or alarm status information.
Figure 6-1
Right c lick m ouse, you ca n see t he login i nterf ace. Pl ease input user n ame and p assw ord. See
Figure 6-2.
System consists of four accounts:
z Username: admin. Password: admin.
z Username: 888888. Password: 888888.
z Username: 666666. Passwords: 666666.
z Username: default.
You can use USB mouse to input. Click
to switch between numeral, English character
(small/capitalized) and denotation.
Note:
For security reason, please modify password after you first login.
Within 30 m inutes , thr ee tim es login f ailur e will result i n system al arm and fiv e tim es logi n failure
will result in account lo
Recording status
Video loss
Motion detection
Camera lock
28
Figure 6-2
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After you logg ed in the device, r ight click mous e, you can see the short cut menu. Please see
Figure 6-3.
Here you can set l ocal playback window, PTZ contr ol , vi deo c ol or, searc h r ec or ds , r em ot e device
and etc. The local playbac k w indow inc ludes 1/4/9/ 16. You can set the d etail c hannel amount in
1/4-window.
Figure 6-3
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After you logged in, the system main menu is shown as below. See Figure 6-4. There are total six
icons: search, Information, setting, backup, advanced and shutdown. Move the cursor to highlight
the icon, then double click mouse to enter the sub-menu.
Figure 6-4
29
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Click search b ut ton i n the m ai n menu , s ear c h interface is show n as bel ow. See F ig ure 6- 5.
Usually ther e ar e three fi l e types:
z R: Regular recording file.
z A: External alarm rec ording fi l e.
z M: Motion detec ti on r ec ordi ng fil e
Figure 6-5
Please refer to the following s heet f or more inf ormati on.
SN
Name
Function
1
Display
window
z
Here is to display the searched picture or file.
z
Support 1/4/9/16-window playback.
2
Search
type
z
Here you can sel ect t o se arch t he p ict ure or t he rec orded
file.
zWhen ther e is dis played p ict ure on the left pane, yo u can
set the corresponding setup
3
Calendar
z
The blue hig hlighted date means there is pictur e or file. Otherwi se, there is no
picture
or file.
z
In any play m ode, cl ick the date you w ant to see, y ou can s ee the cor resp onding
record file trace in the time bar.
1
2
3
4
5
6
7
8
12
9
10
11
30
4
Playback
mode
and
channel
selection
pane.
z
Playback mode˖1/4/9/16. (It may vary due to different series.)
In 1-window playback mode: you can select 1-16 channels.
In 4-window playback mode: you can select 4 channels according to your
requirement.
In 9-window playback mode, you can switch between 1-9 and 10-16
channels.
In 16-window playback mode, you can switch between1-16 and 17-32
channels.
z
The time bar will change once you modify the playback mode or the channel
option.
5
File list
switch
button
z
Double click it, you can view the picture/record file list of current day.
zThe file list is to display the first channel of the record file.
zThe system can disp l ay max 128 f i l es i n one time. U se t h e S/T or the
mouse to
view t he f i l e. Selec t one i t em, and th en do uble clic k the mouse or cl i c k the EN T ER
button
to playback.
zYou can input the period in the following interface to begin accurate search.
zFile type˖R—regular record ˗ A—external alarm record˗M—
Motion detect record.
6
Card
number
search
The card number search interface is shown as below.
7
Playback
control
pane.
►/
Play/Pause
There are three ways for you to begin playback.
z The play button
z Double click the valid period of the time bar.
z Double click the item in the file list.
In slow play mode, click it to switch between play/pause.
■
Stop
W
Backward play
In normal play mode, left
click the button, the file begins
backward play.
Click it again to pause current play.
In backward play mode, click ►/ to restore normal play.
│
W
/
X
│
In playback m ode, cl ick it to pl a y the next or the pr evi ous sec tion. You can
click
continuously
when you are watching the files from the same channel.
In normal play mode, when you pa use current p lay, you can cli ck
W│
and
│
X to begin frame by frame playback.
In frame by frame playback mode, click ►/ to restore normal playback.
►
Slow play
In playback mode, cli ck it to real ize
various slow
play modes such as slow
play 1, slow play 2, and etc.
Fast forward
In playback mode, click to realize various fast play modes such as fa st
play 1,fast play 2 and etc.
Note: The actual play speed has relationship with the software version.
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