Zhejiang Dahua Vision Technology DHI DB11 User Manual
Doorbell
User’s Manual
V 1.0.0
Legal Statement
Caution: The user is cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
FCC RF Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a minimum distance of 20cm between the radiator and any part
of your body.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.
About this Document
This document is for reference only. Please refer to the actual product for more details.
This document serves as a reference for multiple types of products, whose specific
operations won’t be enumerated. Please operate according to actual products.
The user shall undertake any losses resulting from violation of guidance in the document.
In case that PDF document cannot be opened, please upgrade the reading tool to the
latest version or use other mainstream reading tools.
This company reserves rights to revise any information in the document anytime; and the
revised contents will be added to the new version without prior announcement. Some
functions of the products may be slightly different before and after revision.
The document may include technically inaccurate contents, inconsistencies with product
functions and operations, or misprint. Final explanations of the company shall prevail.
I
Mandatory actions to be taken towards cybersecurity
1. Change Passwords and Use Strong Passwords:
The number one reason systems get “hacked” is due to having weak or default passwords. It is
recommended to change default passwords immediately and choose a strong password
whenever possible. A strong password should be made up of at least 8 characters and a
combination of special characters, numbers, and upper and lower case letters.
2. Update Firmware
As is standard procedure in the tech-industry, we recommend keeping NVR, DVR, and IP
camera firmware up-to-date to ensure the system is current with the latest security patches and
fixes.
“Nice to have” recommendations to improve your network security
1. Change Passwords Regularly
Regularly change the credentials to your devices to help ensure that only authorized users are
able to access the system.
2. Change Default HTTP and TCP Ports:
● Change default HTTP and TCP ports for systems. These are the two ports used to
communicate and to view video feeds remotely.
● These ports can be changed to any set of numbers between 1025-65535. Avoiding the
default ports reduces the risk of outsiders being able to guess which ports you are using.
3. Enable HTTPS/SSL:
Set up an SSL Certificate to enable HTTPS. This will encrypt all communication between your
devices and recorder.
4. Enable IP Filter:
Enabling your IP filter will prevent everyone, except those with specified IP addresses, from
accessing the system.
5. Change ONVIF Password:
On older IP Camera firmware, the ONVIF password does not change when you change the
system’s credentials. You will need to either update the camera’s firmware to the latest revision
or manually change the ONVIF password.
6. Forward Only Ports You Need:
Cybersecurity Recommendations
II
● Only forward the HTTP and TCP ports that you need to use. Do not forward a huge range of
numbers to the device. Do not DMZ the device's IP address.
● You do not need to forward any ports for individual cameras if they are all connected to a
recorder on site; just the NVR is needed.
7. Disable Auto-Login on SmartPSS:
Those using SmartPSS to view their system and on a computer that is used by multiple people
should disable auto-login. This adds a layer of security to prevent users without the appropriate
credentials from accessing the system.
8. Use a Different Username and Password for SmartPSS:
In the event that your social media, bank, email, etc. account is compromised, you would not
want someone collecting those passwords and trying them out on your video surveillance
system. Using a different username and password for your security system will make it more
difficult for someone to guess their way into your system.
9. Limit Features of Guest Accounts:
If your system is set up for multiple users, ensure that each user only has rights to features and
functions they need to use to perform their job.
10. UPnP:
● UPnP will automatically try to forward ports in your router or modem. Normally this would be a
good thing. However, if your system automatically forwards the ports and you leave the
credentials defaulted, you may end up with unwanted visitors.
● If you manually forwarded the HTTP and TCP ports in your router/modem, this feature should
be turned off regardless. Disabling UPnP is recommended when the function is not used in real
applications.
11. SNMP:
Disable SNMP if you are not using it. If you are using SNMP, you should do so only temporarily,
for tracing and testing purposes only.
12. Multicast:
Multicast is used to share video streams between two recorders. Currently there are no known
issues involving Multicast, but if you are not using this feature, deactivation can enhance your
network security.
13. Check the Log:
If you suspect that someone has gained unauthorized access to your system, you can check
the system log. The system log will show you which IP addresses were used to login to your
system and what was accessed.
14. Physically Lock Down the Device:
III
Ideally, you want to prevent any unauthorized physical access to your system. The best way to
achieve this is to install the recorder in a lockbox, locking server rack, or in a room that is
behind a lock and key.
15. Connect IP Cameras to the PoE Ports on the Back of an NVR:
Cameras connected to the PoE ports on the back of an NVR are isolated from the outside world
and cannot be accessed directly.
16. Isolate NVR and IP Camera Network
The network your NVR and IP camera resides on should not be the same network as your
public computer network. This will prevent any visitors or unwanted guests from getting access
to the same network the security system needs in order to function properly.
IV
Preface
Overview
This document elaborates introduction, installation, device adding and FAQ of video doorbell.
Applicable Model
DB11
Operation Definition
Italic Content
Device Name It represents modifiable parameter name. Specific contents are
Channel Name
Symbol Definition
The following symbols may appear in the document. Please refer to the table below for the
respective definition.
Symbol Note
Note
different depending on settings. Default device name is its serial
number and default channel name is Channel 1.
It indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
It indicates a moderate or low level of potential danger which, if not
avoided, could result in minor or moderate injury.
It indicates a potential risk that, if ignored, could result in damage to
device, loss of data, degraded performance, or unpredictable results.
It means electrostatic-sensitive device.
It means high-voltage danger.
It means intensive laser radiation.
It means that it can help you to solve some problems or save your time.
It means the additional information, to emphasize or supplement.
V
Revision Record
No. Version No. Revision Content Release Date
1 V 1.0.0 First release 2018.3.30
VI
Important Safeguards and Warnings
The following description is the correct application method of the device. Please read the
manual carefully before use, in order to prevent danger and property loss. Strictly conform to
the manual during application and keep it properly after reading.
Operating Requirement
Please don’t place and install the device in an area exposed to direct sunlight or near heat
generating device.
Please don’t install the device in a humid, dusty or fuliginous area.
Please keep its horizontal installation, or install it at stable places, and prevent it from
falling.
Please don’t drip or splash liquids onto the device; don’t put on the device anything filled
with liquids, in order to prevent liquids from flowing into the device.
Please install the device at well-ventilated places; don’t block its ventilation opening.
Use the device only within rated input and output range.
Please don’t dismantle the device arbitrarily.
Please transport, use and store the device within allowed humidity and temperature range.
Power Requirement
The product shall use electric cables (power cables) recommended by this area, which
shall be used within its rated specification.
Please use standard power adapter supplied with this device; otherwise, resulting personal
injury or device damage shall be borne by the user.
Please use power supply that meets SELV (safety extra low voltage) requirements, and
supply power with rated voltage that conforms to Limited Power Source in IEC60950-1. For
specific power supply requirements, please refer to device labels.
Products with category I structure shall be connected to grid power output socket, which is
equipped with protective grounding.
Appliance coupler is a disconnecting device; please keep its convenient operation during
use.
VII
Legal Statement ................................................................................................................................................... I
Cybersecurity Recommendations ................................................................................................................. II
Preface .................................................................................................................................................................. V
Important Safeguards and Warnings ......................................................................................................... VII
1 Packing List ...................................................................................................................................................... 1
2 Device Introduction ........................................................................................................................................ 2
2.1 Front Panel ................................................................................................................................................ 2
2.1.1 Status Description of Indicator Light .......................................................................................... 2
2.1.2 Description of Call Key ................................................................................................................. 3
2.2 Rear Panel ................................................................................................................................................. 3
2.2.1 Description of Reset Key ............................................................................................................. 3
2.2.2 Description of Power Input Port .................................................................................................. 3
2.3 Bottom ........................................................................................................................................................ 5
3 Get Started ........................................................................................................................................................ 6
3.1 Download Lechange Client ..................................................................................................................... 6
3.2 Add Device ................................................................................................................................................. 6
3.3 Doorbell Call ............................................................................................................................................ 13
3.3.1 Online Status of APP .................................................................................................................. 13
3.3.2 Closed Status of APP ................................................................................................................. 14
3.4 Monitoring ................................................................................................................................................ 14
3.4.1 Live Share .................................................................................................................................... 16
3.4.2 Full-screen Preview .................................................................................................................... 17
3.4.3 View Alarm Records ................................................................................................................... 17
4 Device Installation ........................................................................................................................................ 19
5 APP Operation ............................................................................................................................................... 20
5.1 Device Management ............................................................................................................................... 20
5.1.1 Modify Device Info ...................................................................................................................... 20
5.1.2 Modify Device Password ............................................................................................................ 20
5.1.3 Link Chime ................................................................................................................................... 21
5.1.4 Ring Setup.................................................................................................................................... 23
5.1.5 Set PIR Motion Detection Zone ................................................................................................ 24
5.1.6 Enable Alarm Info ........................................................................................................................ 25
5.1.7 Set Storage Status ...................................................................................................................... 25
5.1.8 Set Time Zone ............................................................................................................................. 26
5.1.9 Set Image Flip .............................................................................................................................. 27
5.1.10 Set Device Share ...................................................................................................................... 27
5.1.11 Cloud Update ............................................................................................................................. 27
5.1.12 Modify Wi-Fi Config .................................................................................................................. 28
5.1.13 Delete Device ............................................................................................................................ 29
5.2 Settings ..................................................................................................................................................... 30
5.2.1 Prompt .......................................................................................................................................... 30
Table of Contents
VIII
5.3 View Message ......................................................................................................................................... 30
5.3.1 APP is Online ............................................................................................................................... 30
5.3.2 APP is Closed .............................................................................................................................. 33
5.4 View Local Files ...................................................................................................................................... 33
6 FAQ ................................................................................................................................................................... 35
Technical Parameters ................................................................................................................... 36 Appendix 1
IX
1
Check whether device appearance shows obvious damages.
Check whether all accessories are supplied. Packing list is as follows:
Video doorbell
User’s manual
Installation accessories package
Packing List
1
2
Device Introduction
2.1
Front Panel
Front panel includes PIR detection, IR light, camera, microphone, indicator light, call key and
loudspeaker, as shown in Figure 2-1.
Figure 2-1
2.1.1 Status Description of Indicator Light
Status description of indicator light is shown in Table 2-1.
Status Symbol Description
Calling
Blue Spinning
Blue Solid Talking
Blue Flashing
Table 2-1
Enter AP reset mode
Not connected with network
Abnormal network
2
2.1.2 Description of Call Key
Press shortly: Call the user.
2.2
Rear Panel
Rear panel includes micro-SD card slot, reset key and power input port, as shown in Figure 2-2.
Figure 2-2
2.2.1 Description of Reset Key
Press it shortly, and indicator light turns to blue spinning light, representing that the hotspot
has been enabled.
Press it for 10s, and indicator light turns blue and is normally on for 3s. The device restores
factory defaults.
2.2.2 Description of Power Input Port
The doorbell can be matched with AC 16V–24V or DC 12V–24V power adapter. It is able to
connect different bells under the condition of different power adapters.
With AC 16V–24V power adapter, it is able to connect wired bell (including mechanical bell
and electronic bell) and wireless bell.
3
Wiring diagram of wired bell is shown in Figure 2-3 and Figure 2-4.
Figure 2-3
Figure 2-4
Wiring diagram of wireless bell is shown in Figure 2-5. It is unnecessary to match
ChimeKit. DS series wireless bell is solely connected with municipal electricity (strong
electricity) network.
Figure 2-5
With DC 12V–24V power adapter, it is able to connect DS series wireless bell, as shown in
Figure 2-6. It is unnecessary to match ChimeKit. DS series wireless bell is solely
connected with municipal electricity (strong electricity) network.
4
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