S4A U-Lock Manual

U-Lock User manual and Instructions
1. Product Description
(1)Micro USB charging interface is used in this product.
(2)This product factory default experience mode, any fingerprint can unlock. When in
normal use, be sure to enter the fingerprint.
(3)This product supports 20 fingerprint input 1-2 fingerprint for administrator 3-20
fingerprint for ordinary users, more than capacity will not be stored.
(4)After this product resumes factory mode, will delete all fingerprints, including
administrator and ordinary user fingerprints.
2. Indicator light prompt
Indicator status
Functional description
Blue light flashes once
Experience mode, any fingerprint can be unlocked
Long to blue light
Administrator fingerprint authorization registration
Green light flashing 3 times
Administrator fingerprint unlock success
Green light flashing once
Common user fingerprint unlock success / registration
mode fingerprint entry success / delete mode
fingerprint verification success

Red light flashing once
Fingerprint verification failed
Long press to red light flashing
Enter Delete Mode
5 consecutive flashes of red light
Low Power Warning
The red light is always on
Charging
The red light goes
Charging completed
3. Administrator 1 fingerprint entry
(1)Press the fingerprint to unlock, the blue light lights up; keep the fingerprint pressed
until the blue light is on and lift the fingerprint.
(2)Press the fingerprint to be registered, register successfully, green light flashes 1 time;
registration fails, red light flashes 1 time; use the same fingerprint, press continuously 8
times.
(3)The fingerprint is continuously lifted and pressed 8 times. After the green light is turned
on, the indicator lights go out, the registration is completed; if the red light is turned on and
the indicator lights go out, the registration fails and needs to be re-registered.
4. 2 Administrator and 3-20 General User Fingerprint Entry
Enter the new fingerprint requires administrator fingerprint authorization, the second
fingerprint is also the administrator, the third ~20 fingerprints are ordinary users.
(1)Press the administrator's fingerprint to unlock, the green light flashes 3 times; keep the
fingerprint pressed until the blue light is on and lift the fingerprint.
(2)Press the fingerprint that needs to be added, register successfully, green light flashes 1
time; register failed, red light flashes 1 time; use the same fingerprint, press continuously 8
times.
(3) The fingerprint is continuously lifted and pressed for 8 times. When the green light is
turned on and the indicator lights go out, the fingerprint is added; if the red light is turned
on and the indicator lights go out, the added fingerprint fails and needs to be re-authorized
to add.
5. Restoration of factory settings
(1)Administrator fingerprint (1,2) permissions can delete all fingerprints, ordinary users
(3~20) fingerprints need to be removed under the administrator fingerprint authorization.
(2)Delete the fingerprint of the ordinary user-press the administrator's fingerprint until the
red light is lit up, press the fingerprint of the ordinary user that needs to be deleted, and
when the green light is lit after the match is successful, the fingerprint of the ordinary user is
deleted successfully.
(3) Delete the administrator's fingerprint - press the administrator's fingerprint until the
red light is on, lift the fingerprint, press the administrator's fingerprint, and when the green
light is on after the match is successful, remove all fingerprints and restore the factory
settings.
Be sure to restore the U lock to the factory before applying for after-sale service