Gateman V20 Manual Link
Introduction
How to set the Master PIN:
Touch each RFID card you wish to register against the card reader on the front body one by one. gateman v20 manual
You can find full versions of the Gateman V20 manual through these resources: Gateman V10-V20 French User Manual Introduction How to set the Master PIN: Touch
D. Deleting Users (The Dangerous Command)
The Gateman V20 manual has a specific "Delete All" function that owners often trigger by mistake. gateman v20 manual
Retrofitting: The manual specifies that only one hole needs to be drilled into the door, making it one of the easiest locks to install as a DIY project.
Enter your PIN or tap a registered card to silence the alarm.