Typically, the box contains the following items:

If you forget the master password, a factory reset may be required, typically involving a physical reset button on the interior panel.

: If you're ready to upgrade your lock, we recommend consulting a certified technician for installation and using this guide to master all of its security features.

: Slide the internal lock switch to the "close" position to prevent anyone from unlocking the door from the outside, even with a valid PIN or key. V3S Glass Systems Maintenance & Troubleshooting How To Change PIN Code on Gateman Digital Door Locks

Before we dive into the manual, let's take a look at some of the key features of the Gateman V20:

button inside the battery cover to cycle between Mute, Normal, and Loud settings. Intrusion Alarm:

Two metallic contacts located at the very bottom for a 9V battery.

Route the connecting cable through the center slot of the bracket.

Small round button under the battery cover used to initiate programming modes.

Touch all cards/tags you wish to register against the card reader one by one. Press the button again to complete registration. Automatic/Manual Locking : Open the battery cover. Locate the toggle switch labeled [A/M] .

An 80dB alarm sounds if the lock is damaged or the door is forced open. Internal Forced Lock:

Drill a 32mm hole through the door for the main connecting cable. Step 2: Install the Front Body

Adjust the operation beep sound volume for quiet environments. Press the button.