ZKTeco G4 Pro Series User manual

G4 Pro Series User Manual
Page | 1 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Thank you for choosing our product. Please read the instructions carefully
before operation. Follow these instructions to ensure that the product is
functioning properly. The images shown in this manual are for illustrative
purposes only.
For further details, please visit our Company’s website
www.zkteco.com.
User Manual
G4 Pro Series
Date: March 2022
Doc Version: 1.1
English

G4 Pro Series User Manual
Page | 2 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Copyright © 2022 ZKTECO CO., LTD. All rights reserved.
Without the prior written consent of ZKTeco, no portion of this manual can be copied or forwarded in
any way or form. All parts of this manual belong to ZKTeco and its subsidiaries (hereinafter the
"Company" or "ZKTeco").
Trademark
is a registered trademark of ZKTeco. Other trademarks involved in this manual are owned by
their respective owners.
Disclaimer
This manual contains information on the operation and maintenance of the ZKTeco equipment. The
copyright in all the documents, drawings, etc. in relation to the ZKTeco supplied equipment vests in and
is the property of ZKTeco. The contents hereof should not be used or shared by the receiver with any
third party without express written permission of ZKTeco.
The contents of this manual must be read as a whole before starting the operation and maintenance of
the supplied equipment. If any of the content(s) of the manual seems unclear or incomplete, please
contact ZKTeco before starting the operation and maintenance of the said equipment.
It is an essential pre-requisite for the satisfactory operation and maintenance that the operating and
maintenance personnel are fully familiar with the design and that the said personnel have received
thorough training in operating and maintaining the machine/unit/equipment. It is further essential for
the safe operation of the machine/unit/equipment that personnel has read, understood and followed
the safety instructions contained in the manual.
In case of any conflict between terms and conditions of this manual and the contract specifications,
drawings, instruction sheets or any other contract-related documents, the contract
conditions/documents shall prevail. The contract specific conditions/documents shall apply in priority.
ZKTeco offers no warranty, guarantee or representation regarding the completeness of any information
contained in this manual or any of the amendments made thereto. ZKTeco does not extend the
warranty of any kind, including, without limitation, any warranty of design, merchantability or fitness for
a particular purpose.
ZKTeco does not assume responsibility for any errors or omissions in the information or documents
which are referenced by or linked to this manual. The entire risk as to the results and performance
obtained from using the information is assumed by the user.

G4 Pro Series User Manual
Page | 3 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
ZKTeco in no event shall be liable to the user or any third party for any incidental, consequential, indirect,
special, or exemplary damages, including, without limitation, loss of business, loss of profits, business
interruption, loss of business information or any pecuniary loss, arising out of, in connection with, or
relating to the use of the information contained in or referenced by this manual, even if ZKTeco has
been advised of the possibility of such damages.
This manual and the information contained therein may include technical, other inaccuracies or
typographical errors. ZKTeco periodically changes the information herein which will be incorporated
into new additions/amendments to the manual. ZKTeco reserves the right to add, delete, amend, or
modify the information contained in the manual from time to time in the form of circulars, letters, notes,
etc. for better operation and safety of the machine/unit/equipment. The said additions or amendments
are meant for improvement /better operations of the machine/unit/equipment and such amendments
shall not give any right to claim any compensation or damages under any circumstances.
ZKTeco shall in no way be responsible (i) in case the machine/unit/equipment malfunctions due to any
non-compliance of the instructions contained in this manual (ii) in case of operation of the
machine/unit/equipment beyond the rate limits (iii) in case of operation of the machine and equipment
in conditions different from the prescribed conditions of the manual.
The product will be updated from time to time without prior notice. The latest operation procedures and
relevant documents are available on http://www.zkteco.com
If there is any issue related to the product, please contact us.
ZKTeco Headquarters
Address ZKTeco Industrial Park, No. 32, Industrial Road,
Tangxia Town, Dongguan, China.
Phone +86 769 - 82109991
Fax +86 755 - 89602394
For business related queries, please write to us at: [e-mail].
To know more about our global branches, visit www.zkteco.com.

G4 Pro Series User Manual
Page | 4 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
About the Company
ZKTeco is one of the world’s largest manufacturer of RFID and Biometric (Fingerprint, Facial, Finger-vein)
readers. Product offerings include Access Control readers and panels, Near & Far-range Facial
Recognition Cameras, Elevator/floor access controllers, Turnstiles, License Plate Recognition (LPR) gate
controllers and Consumer products including battery-operated fingerprint and face-reader Door Locks.
Our security solutions are multi-lingual and localized in over 18 different languages. At the ZKTeco state-
of-the-art 700,000 square foot ISO9001-certified manufacturing facility, we control manufacturing,
product design, component assembly, and logistics/shipping, all under one roof.
The founders of ZKTeco have been determined for independent research and development of biometric
verification procedures and the productization of biometric verification SDK, which was initially widely
applied in PC security and identity authentication fields. With the continuous enhancement of the
development and plenty of market applications, the team has gradually constructed an identity
authentication ecosystem and smart security ecosystem, which are based on biometric verification
techniques. With years of experience in the industrialization of biometric verifications, ZKTeco was
officially established in 2007 and now has been one of the globally leading enterprises in the biometric
verification industry owning various patents and being selected as the National High-tech Enterprise for
6 consecutive years. Its products are protected by intellectual property rights.
About the Manual
This manual introduces the operations of G4 Pro Series.
All figures displayed are for illustration purposes only. Figures in this manual may not be exactly
consistent with the actual products.
Features and parameters with ★are not available in all devices.

G4 Pro Series User Manual
Page | 5 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Document Conventions
Conventions used in this manual are listed below:
GUI Conventions
For Software
Convention Description
Bold font Used to identify software interface names e.g. OK, Confirm, Cancel.
> Multi-level menus are separated by these brackets. For
example, File >
Create > Folder.
For Device
Convention Description
< > Button or key names for devices. For example, press <OK>.
[ ]
Window names, menu items, data table, and field names are inside square
brackets. For example, pop up the [New User] window.
/ Multi-
level menus are separated by forwarding slashes. For example,
[File/Create/Folder].
Symbols
Convention Description
This represents a note that needs to pay more attention to.
The general information which helps in performing the operations faster.
The information which is significant.
Care taken to avoid danger or mistakes.
The statement or event that warns of something or that serves as a cautionary
example.

G4 Pro Series User Manual
Page | 6 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Table of Contents
1 OVERVIEW ............................................................................................................................................. 9
2 INSTRUCTIONS FOR USE..................................................................................................................... 10
2.1 HOW TO SCAN THE QR CODE? .............................................................................................................. 10
2.2 STANDING POSITION, FACIAL EXPRESSION ....................................................................................... 11
2.3 PALM REGISTRATION.............................................................................................................................. 11
2.4 FACE REGISTRATION............................................................................................................................... 12
2.5 FINGER PLACEMENT ............................................................................................................................... 13
2.6 STANDBY INTERFACE ............................................................................................................................. 14
2.7 VIRTUAL KEYBOARD ............................................................................................................................... 15
2.8 VERIFICATION MODE.............................................................................................................................. 15
2.8.1 QR CODE VERIFICATION......................................................................................................................................15
2.8.2 FACIAL VERIFICATION ..........................................................................................................................................16
2.8.3 PALM VERIFICATION .............................................................................................................................................21
2.8.4 CARD VERIFICATION .............................................................................................................................................24
2.8.5 PASSWORD VERIFICATION .................................................................................................................................26
2.8.6 FINGERPRINT VERIFICATION★.........................................................................................................................27
2.8.7 COMBINED VERIFICATION ..................................................................................................................................30
3 MAIN MENU......................................................................................................................................... 32
4 USER MANAGEMENT .......................................................................................................................... 33
4.1 ADD USER ................................................................................................................................................. 33
4.2 SEARCH USER........................................................................................................................................... 46
4.3 EDIT USER ................................................................................................................................................. 46
4.4 DELETE USER............................................................................................................................................ 47
5 ACCESS CONTROL SETTINGS ............................................................................................................. 48
5.1 ACCESS CONTROL OPTIONS.................................................................................................................. 48
5.2 TIME RULES SETTINGS ............................................................................................................................ 50
5.3 HOLIDAY SETTINGS ................................................................................................................................ 52
5.4 VERIFICATION COMBINATION .............................................................................................................. 54
5.5 ACCESS GROUP SETTINGS ..................................................................................................................... 55
5.6 ANTI-PASSBACK SETUP.......................................................................................................................... 56
5.7 DURESS ALARM SETTINGS..................................................................................................................... 57
6 ATTENDANCE SEARCH ....................................................................................................................... 57

G4 Pro Series User Manual
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7 DATA MANAGEMENT ......................................................................................................................... 59
8 USB MANAGEMENT ............................................................................................................................ 60
9 ALARM MANAGEMENT....................................................................................................................... 61
9.1 ADD ALARM ............................................................................................................................................. 62
9.2 DELETE ALARM ........................................................................................................................................ 63
10 SYSTEM SETTINGS ............................................................................................................................ 64
10.1 NETWORK SETTINGS............................................................................................................................. 64
10.1.1 ETHERNET SETTINGS ..........................................................................................................................................64
10.1.2 WI-FI SETTINGS.....................................................................................................................................................66
10.1.3 MOBILE NETWORK SETTINGS..........................................................................................................................67
10.1.4 COMM. CONNECTION SETTINGS ...................................................................................................................68
10.2 DATE AND TIME..................................................................................................................................... 69
10.2.1 DATE AND TIME SETTINGS...............................................................................................................................69
10.2.2 DATE AND TIME FORMAT SETTINGS ............................................................................................................70
10.3 ATTENDANCE PARAMETERS ............................................................................................................... 72
10.3.1 ATTENDANCE EVENTS .......................................................................................................................................72
10.3.2 STATUS MODE......................................................................................................................................................77
10.3.3 WIDGET FUNCTION RULES...............................................................................................................................81
10.3.4 CAMERA MODE....................................................................................................................................................82
10.3.5 VERIFICATION SETTINGS...................................................................................................................................82
10.3.6 VALIDITY PERIOD OF USER INFORMATION................................................................................................84
10.4 CLOUD SERVICE SETTINGS .................................................................................................................. 85
10.5 WIEGAND SETTINGS ............................................................................................................................. 86
10.5.1 WIEGAND IN..........................................................................................................................................................86
10.5.2 WIEGAND OUT .....................................................................................................................................................88
10.6 DISPLAY SETTINGS ............................................................................................................................... 89
10.7 SERIAL PORT SETTINGS........................................................................................................................ 90
10.8 SOUND SETTINGS ................................................................................................................................. 91
10.9 BIOMETRIC PARAMETERS .................................................................................................................... 92
10.10 DETECTION MANAGEMENT .............................................................................................................. 94
10.11 AUTO-TESTING.................................................................................................................................... 97
10.12 ADVANCED SETTINGS........................................................................................................................ 98
10.13 ABOUT DEVICE .................................................................................................................................... 99
10.14 SECURITY SETTING ...........................................................................................................................100
10.15 RESTART .............................................................................................................................................101
11 CONNECT TO ZKBIOSECURITY SOFTWARE ................................................................................... 102

G4 Pro Series User Manual
Page | 8 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
11.1 SET THE COMMUNICATION ADDRESS............................................................................................. 102
11.2 ADD DEVICE ON THE SOFTWARE .....................................................................................................103
11.3 MOBILE CREDENTIAL..........................................................................................................................104
11.4 REAL-TIME MONITORING ON THE ZKBIOSECURITY SOFTWARE .................................................107
APPENDIX 1.......................................................................................................................................... 108
REQUIREMENTS OF LIVE COLLECTION AND REGISTRATION OF VISIBLE LIGHT FACE IMAGES.......108
REQUIREMENTS FOR VISIBLE LIGHT DIGITAL FACE IMAGE DATA....................................................... 109
APPENDIX 1.......................................................................................................................................... 110
PRIVACY POLICY .......................................................................................................................................... 110
ECO-FRIENDLY OPERATION....................................................................................................................... 113

G4 Pro Series User Manual
Page | 9 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
1Overview
G4 Pro Series is a fully upgraded version of the Visible Light Facial Recognition Terminal, using
intelligent engineering facial recognition algorithms and the latest computer vision technology. It
supports both facial and palm verification with large capacity and speedy recognition, also
intergrated QR Sensor support QR code with Mobile APP, as well as improves security performance in
all aspects. G4 Pro Series has two models, G4 Pro[TI] is the upgraded version of G4 Pro with thermal
imaging intelligent engineering facial recognition algorithm.
G4 Pro Series supports facial recognition with large capacity and speedy recognition and other
authentication methods, including identification with palm, card, password and fingerprint★.
G4 Pro[TI] adopts touchless recognition technology and new functions i.e.,
1) Body Temperature Detection
2) Face Mask Detection
It is also equipped with an ultimate anti-spoofing algorithm for facial recognition against almost all
types of fake photos and video intrusions. This device is a perfect choice to reduce the spread of
germs and help prevent infections directly at each access point of any premises and public areas such
as hospitals, factories, schools, commercial buildings, stations during the recent pandemic condition
with its fast and accurate body temperature measurement and face mask detection functions during
facial verification.
Features
Compatible with 4G network, satisfy various market including Europe, the Middle East, Africa,
South Korea, Thailand and India
Scanning of T&A/A&C dynamic QR codes on the ZKBioSecurity Mobile App
Open Supervised Device Protocol (OSDP v2.1.7)
Dual-frequency (125kHz and 13.56MHz) card module (standard)
HID iClass card (optional)
Android LCDK demo for the 3rd-party application integration
PoE 802.3af/at power supply
Mask detection
Anti-spoofing algorithm against print attack (laser, color, and B/W photos) and video attack
* Facial recognition for masked individuals will increase FAR. Palm verification for masked individuals
is recommended.

G4 Pro Series User Manual
Page | 10 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Special Functions
Mask detection
Body temperature detection
Temperature Measurement Distance: 30cm to 120cm (0.98ft to 3.94ft)
Temperature Measurement Accuracy: ±0.3°C (±0.54°F)
(Tested at a distance of 80cm (2.63ft) under 25°C (77° F) temperature)
Temperature Measurement Range: 20°C to 50°C (68°F to 122°F)
2Instructions for Use
Before getting into the Device features and its functions, it is recommended to be familiar to the
below fundamentals.
2.1 How to Scan the QR Code?
Open the Mobile Credential of ZKBioSecurity App and parallel the phone screen to the device QR
code scanner
NOTE: Place your phone within 15 to 50cm of the device (distance depends on the size of the phone
screen), do not block the device QR code scanner and QR code in the phone screen.

G4 Pro Series User Manual
Page | 11 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
2.2 Standing Position, Facial Expression
The recommended distance
Recommended Standing Posture and Facial Expression
NOTE: Please keep your facial expression and standing posture natural while enrolment or
verification.
2.3 Palm Registration
Place your palm in the palm multi-mode collection area, such that the palm is placed parallel to the
device.
Make sure to keep space between your fingers.
The distance between the device and a user whose
height is in a range of 1.55m to 1.85m is recommended
to be 0.3 to 2.5m. Users may slightly move forward or
backward to improve the quality of facial images
captured.

G4 Pro Series User Manual
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NOTE: Place your palm within 30 to 50cm of the device.
2.4 Face Registration
Try to keep the face in the centre of the screen during registration. Please face towards the camera
and stay still during face registration. The screen should look like this:
Correct face registration and authentication method
Recommendation for registering a face
When registering a face, maintain a distance of 40cm to 80cm between the device and the
face.
Be careful not to change your facial expression. (smiling face, drawn face, wink, etc.)

G4 Pro Series User Manual
Page | 13 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
If you do not follow the instructions on the screen, the face registration may take longer or
may fail.
Be careful not to cover the eyes or eyebrows.
Do not wear hats, masks, sunglasses, or eyeglasses.
Be careful not to display two faces on the screen. Register one person at a time.
It is recommended for a user wearing glasses to register both faces with and without glasses.
Recommendation for authenticating a face
Ensure that the face appears inside the guideline displayed on the screen of the device.
If the glasses have been changed, authentication may fail. If the face without glasses has been
registered, authenticate the face without glasses further. If the face with glasses has been
registered, authenticate the face with the previously worn glasses.
If a part of the face is covered with a hat, a mask, an eye patch, or sunglasses, authentication
may fail. Do not cover the face, allow the device to recognize both the eyebrows and the face.
2.5 Finger Placement
Recommended fingers: Index, middle, or ring fingers.
Avoid using the thumb or pinky, as they are difficult to accurately tap onto the fingerprint reader.
NOTE: Please use the correct method when pressing your fingers onto the fingerprint reader for
registration and identification.

G4 Pro Series User Manual
Page | 14 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
2.6 Standby Interface
After connecting the power supply, the device displays the following standby interface.
NOTE:
1. Tap on the button to enter the personnel ID Input screen.
2. Tap on the button to enter the main menu.
3. If a super administrator has already been registered for this device, you will need the permission
of the super administrator to enter the main menu.

G4 Pro Series User Manual
Page | 15 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
2.7 Virtual Keyboard
NOTE:
1. Press [?123] to switch to the numeric and symbolic keyboard.
2. Click the input box, virtual keyboard appears.
2.8 Verification Mode
2.8.1 QR Code Verification
In this verification mode, the device compares the QR code image collected by the QR code collector
with all the QR code data in the device.
Tap [Mobile Credential] on the ZKBioSecurity App, and a QR code will appear, which includes
employee ID and card number (static QR code only includes card number) information. The QR code
can replace a physical card on a specific device to achieve contactless authentication. Please refer to
11.3 Mobile Credential.

G4 Pro Series User Manual
Page | 16 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
2.8.2 Facial Verification
1:N (One to Many) Facial Verification Mode
1. Conventional verification
In this verification mode, the device compares the collected facial images with all face data registered
in the device. The following is the pop-up prompt of a successful comparison result.

G4 Pro Series User Manual
Page | 17 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
2. Enable temperature screening with infrared
★
When the user enables the Enable temperature screening with infrared function, during user
verification, in addition to the conventional verification method, the user's face must be aligned with
the temperature measurement area to measure the body temperature before the verification can be
conducted. The following are the popups of the comparison result prompt interface. (Note: This
function is only applicable to products with temperature measurement module.)
NOTE: The temperature measurement data is only for reference, and not for any medical purposes.
3. Enable mask detection
★
When the user enables the Enable mask detection function, the device will identify whether the
user is wearing a mask or not while verification. The following are the popups of the comparison
result prompt interface. (Note: This function is only applicable to products with temperature
measurement module.)
NOTE: The temperature measurement data is only for reference, and not for any medical purposes.

G4 Pro Series User Manual
Page | 18 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
4. Display Thermodynamics Figure
★
When the user enables the Display Thermodynamics Figure function, the thermal image of the
person is displayed in the upper left corner of the device, while verification. As shown in the images
below:
NOTE: The temperature measurement data is only for reference, and not for any medical purposes.

G4 Pro Series User Manual
Page | 19 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
1:1 (One to One) Facial Verification Mode
In this verification mode, the device compares the face captured by the camera with the facial
template related to the entered user ID. Press on the main interface and enter the 1:1 facial
verification mode and enter the user ID and press [OK].
If the user has registered palm, card, password and fingerprint★in addition to face, and the
verification method is set to face/ palm/ card/ password/ fingerprint★verification, the following
screen will appear.

G4 Pro Series User Manual
Page | 20 Copyright©2022 ZKTECO CO., LTD. All rights reserved.
Select the icon to enter the face verification mode. After the prompt "Please verify your face ",
adjust your face in the center of the device screen for face verification.
Below are the sample for successful and unsuccessful verification:
Successful Verification Failed Verification