1. Power Linkage: Before using the product, link the power cable and switch the battery holder to the ON position.
2. Remote Control Coding: Press the 'leern' button with a sharp tool until it beeps. Then press the remote control button with a small dot until the lock sounds to confirm successful coding.
3. Remote Distance: The effective remote control distance is less than 15 meters.
4. Password Setting: Factory default is 1, 2, 3, 4. To change: Hold '8' until a sound is issued -> Enter factory password + lock key -> Enter new password + lock key -> Repeat new password.
5. Password Reset: If forgotten, use a pointed tool on the code reset button until the sound is issued to return to factory defaults.
6. Storage: When not in use, remove the power cable and set the switch to the OFF position.
7. Battery Maintenance: Battery life is 3-4 months; it is recommended to replace batteries every 3 months.