ZKTeco AL20DB User manual

1
USER MANUAL
AL20B Fingerprint Lock with Touch Keypad
Version: 1.1
Date: March, 2018

Table of Contents
Read Before Use............................................................................................................1
Safety Precautions .......................................................................................................................1
Structure.............................................................................................................................................2
Basic Function ...............................................................................................................3
User Introduction.........................................................................................................................3
Initialization......................................................................................................................................4
Random Password.......................................................................................................................4
Voice Guide ......................................................................................................................................5
Volume setting...............................................................................................................................5
Language setting .........................................................................................................................5
Lockout mode................................................................................................................................5
Normal Open ..................................................................................................................................6
Low Battery Warning .................................................................................................................6
9V External Battery ......................................................................................................................7

How to change handle direction......................................................................................8
Emergency Mechanical Key .................................................................................................9
How to Use .................................................................................................................. 10
Register First Administrator................................................................................................10
Register Other Administrator............................................................................................12
Register Normal User..............................................................................................................13
Delete Admin...............................................................................................................................14
Delete Normal User .................................................................................................................15
Back up enroll ..............................................................................................................................16
Volume setting............................................................................................................................17
Language setting ......................................................................................................................18
Lockout mode.............................................................................................................................19
Normal open mode.................................................................................................................20

Page | 1
Safety Precautions
1. The factory setting of all new locks will allow ANY fingerprints to open them.
2. Please register at least one administrator for the newly installed lock. The lock cannot
register any normal users without an administrator.
3. The lock is equipped with mechanical keys for manual unlocking. Please keep the
mechanical keys at a safe place.
4. To power on the lock, four alkaline AA batteries (not included) are required.
Non-alkaline and rechargeable batteries ARE NOT RECOMMENDED.
5. Do not remove batteries when the lock is in working state.
6. Please replace the battery soon when the lock prompts of low battery.
7. If the lock does not have any activity for seven seconds it will go into sleep mode and
prompts of time expired.
8. For best results, apply clean fingers to the fingerprint sensor.
Read Before Use

Page | 2
Structure
1. Fingerprint Sensor
2. Mechanical Key Hole
3. Handle
4. Battery Area
1
2
3 6
7
4
5
5. Louckout Switch
6. 9V Battery Interface
7. Speaker

Page | 3
User Introduction
Group Verification Mode Function Capacity
Administrator
Fingerprint Register / Delete User,
Open The Door,
Access in menu
Max.100
Password Max.100
Normal User
Fingerprint
Open the door
Max.100
Password Max.100
Note:
1. The maximum fingerprint/password capacity is 100 for all groups.
2. The length of password is six digits.
Basic Function

Page | 4
Initialization
Initializing the lock means all data will be deleted and restored to factory default setting.
Operation steps: Press the reset button on the back body of the lock, then touch the
keypad to power on the lock holding the reset button for 5 seconds until the lock
prompts the voice of “Restore to default settings, wait a moment”. After around 30
seconds, the lock prompts the voice of “completed”, and then the initialization is finished
completely.
Random Password
Random password = Users may enter any number of random digits before or after the
correct six digit password as long as the maximum number of digits entered is 32 or less.
For example: If the correct password is 123456, the random password can be
89123456807, 1234562363, 389123456, etc.

Page | 5
Voice Guide
After accessing the menu, the lock provides voice prompts before and after each
operation for easy configuration.
Volume Setting
The lock volume can be set, which has three modes, high volume mode, low volume
mode and silent mode.
Language Setting
Supports English / Spanish or English / Portuguese.
Lockout Mode
When the lock set as lockout mode, only administrator can open the door, and also can
use the Lockout Switch to enable or disable the mode.

Page | 6
Normal Open
Normal open mode is to keep door always unlocked, which is fit for meeting room and
some places free to in or out.
Low Battery Warning
When the lock has a low battery a short beep and voice prompt of "Battery is low, please
replace" will be prompted.
Note: Access to menu steps is not allowed in low battery status.

Page | 7
9V External Battery
9V external battery is used to open doors in emergency.
Note: The above battery must be 9V alkaline battery (6LR61).

Page | 8
How To Change Handle Direction
1
2
3
4
Step:
1. Remove the screws with a screwdriver.
2. Take out the lock handle.
3. Turn the handle in the opposite direction.
4. Replace the screws.

Page | 9
Emergency Mechanical Key
The mechanical key is used to open door when the lock has electronic malfunction.
Note: Keep the mechanical key at a safe place.

Page | 10
Register First Administrator
Operating Steps
Touch the keypad to power ON the lock
Press 0 and # to access into menu
Enter 3 digit user number
Press # to continue
registering another user
Press * to complete
Enter fingerprint or password
How to Use

Page | 11
Note:
1. Place one finger three times on fingerprint sensor to register fingerprint.
2. The length of password should be six digits.
3. Default user number length is three digits, but one or two digit user numbers
are accepted by pressing the # key.
4. Press * to cancel registration before the registration is complete.

Page | 12
Register Other Administrator
Operating Steps
Touch the keypad to power ON the lock
Press 0 and # to access into menu
Verify administrator by fingerprint or password
Enter 3 digit user number
Press 1 to register user, and press # to continue
Enter # to continue
registering another admin
Enter * to complete
Enter fingerprint or password
Note:
If you verify administrator by password, please end with button #.

Page | 13
Register Normal User
Touch the keypad to power on the lock
Press 0 and # to access into menu
Enter fingerprint or password
Verify administrator by fingerprint or password
Press 2 to register user, and press # to continue
Enter # to continue
registering another normal
user
Enter * to complete
Enter 3 digit user number

Page | 14
Delete Admin
Operating Steps
Touch the keypad to power on the lock
Press 0 and # to access into menu
Enter 3 digit user number
Verify administrator by fingerprint or password
Press 3 to delete admin, and press # to continue
Enter * to complete Enter # to continue deleting
another admin

Page | 15
Delete Normal User
Operating Steps
Touch the keypad to power on the lock
Press 0 and # to access into menu
Enter 3 digit user number
Verify administrator by fingerprint or password
Press 4 to delete user, and press # to continue
Enter * to complete Enter # to continue deleting
another normal user

Page | 16
Back Up Enroll
Operating Steps
Touch the keypad to power on the lock
Press 0 and # to access into menu
Enter 3 digit user number
Verify administrator byfingerprint or password
Press 5 to back up enroll, and press # to continue
Enter fingerprint or passcode
Enter * to complete Enter # to continue backup
another information

Page | 17
Volume Setting
Operating Steps
Touch the keypad to power on the lock
Press 0 and # to access into menu
1. High volume 2. Low volume 3. Silent mode
Verify administrator byfingerprint or password
Press 6 to set volume, and press # to continue
Enter # to confirm