User Manual
FD-777 FACIAL RECOGNITION
USER'S MANUAL
For Access Control or Time & Attendance
Table of Contents
1. General Information ...................................................................................................... 3-4
1.0 Notification.................................................................................................................... 4
1.1 System Overview ........................................................................................................... 4
1.2 Main Features............................................................................................................. 4-5
2. Basic Concepts ................................................................................................................. 5
2.1 User Enrollment ............................................................................................................ 5
2.2 User Verification ............................................................................................................ 6
2.3 User ID Number ............................................................................................................. 6
2.4 Start-up .......................................................................................................................... 6
3. Enrollment and Verification Procedures ........................................................................... 7
3.1 Enrolling User ............................................................................................................. 7-8
3.2 Types of Enrollment ...................................................................................................... 8
3.2.1 Face Enrollment ................................................................................................... 8
3.2.2 Password Enrollment ...................................................................................... 9-10
3.2.3 Face & Password ........................................................................................... 10-11
3.3 Edit User ................................................................................................................. 11-12
3.4 Delete User.................................................................................................................. 12
4. Network Setup .............................................................................................................. 13
5. Access Control ............................................................................................................... 14
6. System Option ........................................................................................................... 15-16
7. System Detail ................................................................................................................. 17
CAUTION:
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
1. General Information
This chapter explains the outlook of David-Link FD-777 Facial Recognition Unit System and its basic
functions in details.
External Overview
Face reader
LCD Screen
Keypad
Keypad Function
OK: Press to confirm your settings and/or present operation
MENU: Press and hold the key for 3 seconds to enter the menu options of the device
ESC: Press to exit the menu options and/or cancel present operation
: Press to scroll up the menu (Check IN)
: Press to scroll down the menu
Number: Press number 0---9
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David-Link Facial Recognition System is a simple, easy-to-use device. It can be installed at any area
where access of the entries requires authority or any business environment requiring employee time
& attendance. Without having to touch a thing, employees just show up to gain access or to punch
in/out for work.
1.0 Notification
Do not attempt to service the device yourself. Tampering with the Device will void the 1-year limited
manufacture warranty. Always follow the instructions in this user’s manual.
1. Do not place the device in direct sunlight. Bright light may significantly affect face reads.
The device is designed for indoor use within a temperature range of 22-130ºF. Keep the
device away from heat sources.
2. This device is intended to be used as Door Access Control and Time Management System. Do not
use this device for other purposes. The device warranty does not cover defects or damages
arising from improper installation, improper storage, abuse, ordinary wear-and-tear or
unauthorized service.
3. Please save your data and records in USB thumb drive or in your computer periodically. DavidLink is not responsible for any lost data and records from the device and software.
1.1 System Overview
FD-777 is a Door Access Control and Time Management System designed for any size of office
environment with up to 500 authorized users. FD-777 verifies user’s identity based on individual
face matching.
1.2 Main Features

LCD: 3.5” TFT

Keyboard: Touchpad Keyboard

CPU: Intel PXA255

Color: Silver Black

Motion Detection: Infrared

Output: TCP/IP, USB

Identification Angle: 360 degrees

FRR: < 1%

FAR: < 0.0001%
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
Speed: ≤ 1 second

Capture Time: <0.4s

Match Time: <0.01s

Capture Distance: 15-20 Inch

Camera Tilt Angle: +/- 15 Degree

Intelligent Study: Yes

Work Mode: Online and Offline

Identification Method: Face Read, or Password

User Capacity: 500 Users

Log Capacity: 50,000 Logs

Communication: TCP/IP, RS485, USB

USB Thumb Drive Download Function: Yes

Language Display: English

Name Display: English Name

Access Control output: Wiegand 26, Normally Open/ Normally Closed

DC/Current: 12V/3A

Lock Group Function: YES

Size: 141mm X 65mm X 26mm

Operating Temperature: 22 to 130 F
2.0 Basic concepts
This section contains definitions and descriptions of David-Link Biometric Door Access Control concepts
including:





User Enrollment
User Verification
Match Threshold Levels
User ID Numbers
Authority (Status) Levels
2.1 User Enrollment
During user verification, face scan is compared with the matching stored template to confirm user’s
identity. The enrollment process takes approximately 0.4 seconds.
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2.2 User Verification
Verification process starts when a user enters an ID number, positions face aligned with the
camera, or inputs a password combination for comparison with the stored template. The
proper distance for face detection is 16 to 28 inches from the FD-777 and make sure face is
within the capture zone on the screen.
2.3 User ID number
A user is assigned with a User ID Number. This ID number is matched with a user’s identity and the
matching Face scan template during verification process. An ID number is assigned sequentially based
on availability; however, one can choose any ID number as desired.
2.4 Start-up
Once the unit is plugged up to a power source it will automatically show the camera view with
the time and date at the bottom of the screen. Press [MENU] and the following will appear:
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3.0 Enrollment and Verification Procedures
This section provides step-by-step user enrollment and verification processes.
The following topics are included:
 Enrolling User
 Testing an Enrollment
 Verifying Your Identity
 Hints for Successful Enrollments
3.1 Enrolling User
If this is the first enrollment in the new system, everyone is allowed to enroll himself/herself in to the
system
There are three verification method options for a new user enrollment: Face read, Password, or the
combination of the above two.
Face read enrollment is ideal because it allows you to be hands free and less likely to obtain germs
from multiple people touching the product.
To start the enrollment process, press [Menu], choose the User Manager option and press [OK], the
following is displayed:
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Press [OK] at the Enroll User option to start the user enrollment and the following three options will
appear:
3.2 Types of Enrollment
3.2.1. Face Enrollment
1) Select Face, then press [OK], the following message is displayed:
2)Press [OK] for new user enrollment and allow the scanner to read the users face and
process.
Note: Allow your face to be within the box in the screen.
3)When you have successfully been enrolled in the device it will return to the enroll user
menu
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3.2.2 Password Enrollment
1) Select Passcode, then press [OK], the following message appears:
2) Input the Enroll No. (Range: 001 to 999) or simply press [OK] to use the first available Enroll No. in
the device, the following message appears:
4) Input the password (up to 5 digits) then Input the password again then press [OK], the following
message appears:
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Press [OK] to save the enrolled data then you may repeat the same processes again for another
enrollment.
3.2.3 Face & Password
1)Select Face & Password, then press [OK], the following appears:
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2)Input the Enroll No. (Range: 001 to 999) or simply press [OK] to use the first available Enroll No. in
the device, the following message appears:
3)Input your password and repeat it to confirm and allow the scanner to read the users face and
process.
Note: Allow your face to be within the box in the screen
3.3 Edit User
1) Select Edit User, then press [OK], the following appears:
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2) Input the Enroll No. (Range: 001 to 999) or simply press [OK] to use the first available Enroll No. in
the device, the following message appears:
3) Two options will appear and the user must select one: Face or Password. First option selects Face and
press OK and allow the scanner to scan the users face. It will then return to the User Manage menu.
Second Option select Password and press OK and Input the password (up to 5 digits) then press [OK]. It
will then return to the User Manage menu.
3.4 Delete User
1) Select Delete User, then press [OK], the following appears:
2) It will give you two options to either choose Delete ID or Delete All Users. Delete ID will
allow you to delete the individual user ID. Delete All Users will allow you to delete all the users
that are logged into the system.
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4.0 Network Setup
1) Press [MENU], select “Network Setup”, press [OK], the following appears:





IP address: Enter the IP address according to your networking options. The default IP address is
192.168.1.204
Subnet Mask: Networking connection with the device setup.
Default Gateway: Networking connection with the device setup.
Port Number: TCP communication port, the default setting is 5005.
Device Number: The following will show the device number of the unit
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5.0
Access Control
Select “Access Control”, the following will show the Server IP address of the unit and if the Real-Time is
on or off.
1) Define Time Zone: Define the time and date allowed for access.
2) Define Group Time Zone: Define multiple time and date combinations allowed for access.
3) Access Options: Group selected users to different time zones.
5) Unlock Group: Define and authorize access for a combination of different groups of users
6) Lock delay: Given time period in seconds, the lock is released after a user's identity is
Confirmed
Define Time Zone Not only that you can restrict access for different users, now you can set up to 50
Time Zones to restrict more on entry access during different time of the day. Each Time Zone consists of
up to 7 different time periods (one week). Each user can be applied to up to 3 Time Zones, meaning
even the user is registered on the device, he/she can be granted access only within specified times
zones.
Note: System default time period setting allows a registered user to access the door for entire day.
Define Group Time Zone function (up to 5 groups) categorizes users into groups; and Combine different
groups into up to three (3) Time Zones.
Select Access Options to check a user’s access control setup status. You can also set up the Group Time
Zone/Time Zone for each employee here.
 Belong Group: Categorize users in to different groups.
 Time Zone: Apply up to three (3) different Time Zones.
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6.0
System Option
Select System Option, the following message appears:
1) Select “Date & Time” and the following will appear:
Select Date and it will allow you to change the date that appears on the screen.
To change the date, press
[OK] to complete.
and
. Then input the correct numbers on the keypad. Finally, press
Select Time and it will allow you to change the time that appears on the screen.
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To change the time, press
and
Finally, press [OK] to complete.
. Then input the correct time on the keypad for time settings.
2) Select “Volume” and the following will appear:
To change the volume, press
or
then press [OK] to complete
3) Select “Device Passcode” and it will allow you to create a five digit passcode. Once passcode is
created repeat it to confirm and press [OK]
4) Select “Match Threshold” and it will allow you to set a match threshold level for the unit.
Match Threshold Levels establishes a balance between False Acceptance Rate (FAR) and False
Rejection Rate (FRR). FAR is the frequency of a non-authorized user is falsely recognized and granted
access to the system. FRR the frequency of an enrolled and authorized user, who should be granted
access to the system, is denied on the basis that the system did not recognize. FAR and FRR affect
each other. Lower FAR yields to higher FRR.
You can set match threshold levels on a per-use basis. The higher the threshold is set, the higher the
security is ensured; however, it is recommended to leave this setting as default, threshold value = 3,
since the default threshold is commonly accepted as the balance of FAR and FRR rate.
5) Select “Sleep Timer” to set a timer for the unit to turn off automatically. Set the timer using the
keypad and press [OK].
6) Select “Language” and it will allow you to change the language in the unit.
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7.0
System Detail
Press [MENU], select “System Detail”, press [OK], the following appear






View Users: Allows you to view how many users are enrolled into the system
Storage Details: Allows you to view the available space in your system
Delete Logs: This option will ask to confirm to delete all logs
Device model: This will display the device model of the device
Serial Number: This will display the serial number of the system
Firmware Version: This will display the firmware version of the system
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