Gateman V20 Manual Updated -

Enter random numbers before or after your actual PIN code to prevent onlookers from stealing your password.

Some retail manuals may be in Korean; ensure you get the English version. gateman v20 manual

To prevent onlookers from guessing your PIN, you can enter random numbers before or after your actual password. As long as the correct PIN is entered sequentially in the string, the door unlocks. Double Locking Mode (Internal Lockout) Enter random numbers before or after your actual

Plug the cable harness from the external unit into the receiving port on the back of the internal main body. Ensure the connector clicks securely into place. gateman v20 manual