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You can download the full PDF documentation directly from these sources:

Enter your PIN or tap a registered card to silence the alarm.

: There is typically a 0-1-2 switch inside the battery compartment to set the volume to Mute, Low, or High.

If a tenant moves out or a card is lost, you must delete that credential immediately. The Gateman V20 manual outlines two methods:

Enter your desired 4 to 12-digit password on the front keypad. Registration Button again to save. Register RFID Tags/Cards Registration Button

The Gateman V20 manual covers a range of key features and settings that users need to understand to get the most out of their gate operator. Some of these include: