After the device is powered on, it plays a short prompt melody, followed by a reset operation of the motor. At the same time, the blue indicator light around the fingerprint module lights up and automatically turns off after a brief display, indicating that the device has successfully started and entered normal operation mode.

In factory mode, pressing any finger on the fingerprint sensor or entering "123456#", the voice prompt says "In factory mode", reports "Unlocked", the drawer opens and pops out.

Within 15 seconds after successful unlocking, press the "Add" button briefly, the device voice prompt says "Please enter fingerprint or password". Follow the prompts to enter a fingerprint or a 6-digit password, press the # key to confirm and repeat the password, the voice prompt says "Add successful".

After entering the fingerprint or password, the initial password "123456" becomes invalid, and unlocking can open the drawer.

Download the "Doodler Smart" APP from the app store, register and log in to the account, turn on the mobile Bluetooth broadcast function. When the device is powered on, you can hear the music, and the blue light around the fingerprint module lights up and then turns off, indicating that the device has been successfully powered on.

Use any finger to press the fingerprint sensor or enter "123456#" on the keyboard, the voice prompt says "In factory mode, unlocked", the drawer opens and automatically locks back into place. First add an administrator (fingerprint or password), press "**#" to enter pairing mode.

After the device turns on Bluetooth broadcasting, open the Doodler Smart APP, click the "+" button in the upper right corner, find the "BK150" device in the automatic discovery bar, and connect successfully, the device will announce "Add successful".

Device Name and Modification (click the upper right corner)

Device Information Viewing (click the upper right corner - Device Information)

Bluetooth Unlock Button: Long press to unlock

Battery Display and Low Battery Warning (see battery bar)

Unlock Record and Alert Information (click the bottom bar)

Unlock Method Management (Add/Delete Fingerprint, refer to 3.1, 3.2)

Other Information Adjustment (click the bottom right corner more - Volume, Language)

Temporary Unlock Function (click temporary - Time-limited, Single)

After connecting to the device, enter the "Family" tab to add a fingerprint, follow the voice prompts to operate and enter the fingerprint, and you can name the fingerprint after successful entry.

Similarly, add a password through the "Family" tab, enter a 6-digit password and save it, and you can name it after successful entry.

In the closed door state, place the fingerprint on the sensor, and it will automatically unlock after successful verification, and generate an unlock record.

Using an unregistered fingerprint will trigger a verification failure prompt, and the system will lock for 5 minutes after 5 consecutive errors.

After entering the wrong password 5 times, the system will lock the password verification function for 5 minutes.

Using the dummy password function to input a number string containing the correct password and press the # key, the voice prompt says "Verification successful".

Connect to the device through the APP, select the fingerprint or password to be deleted in the "Family" tab, click delete, and the voice prompt says "Delete successful".

When the battery is low, you can power the device through the Type-C interface and unlock it using a fingerprint or password. Please operate gently to avoid damaging the interface.

In an emergency, manually unlock using the provided mechanical key.

When the device prompts "Low Battery", replace the battery in time. Remove the battery cover, take out 4 AA batteries and replace them. Install the new battery correctly according to the battery polarity, and complete the replacement.

Enter "65465411#" in factory mode, the voice prompt "Operation successful" indicates that you have entered flat fingerprint mode.

Cancel flat fingerprint mode by entering "65465433#".

Input "6665554#" to turn on/off the volume.

Input "6665556#" to switch between Chinese/English prompt language.

In the APP, click the pencil pattern in the device information bar, select "Unbind and Clear Data", the voice prompt says "Restore factory settings successful".

After the device is successfully unlocked, long press the button behind the panel for 8 seconds, release it after hearing the prompt sound, and the device restores factory settings.

Note: After restoring factory settings, all fingerprints can unlock, the voice volume returns to the default state, the device cannot reconnect to the APP, and needs to be rebound.

The system enters a micro power consumption state when there is no fingerprint detection or password entry, saving power.

The built-in lighting automatically turns on after unlocking and turns off automatically after 15 seconds.