HHD software firmware update

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Customers should maintain their Schlage Utility Software at the latest version that is available.  This ensures that they have the latest features available and will be compatible with current...
Follow the link to the Schlage Technical Support page and find at the bottom of the page under "AD-Series Accessories" the Schlage Utility Software Update Guide,&...
Updating the Schlage Utility Software (SUS) on a Hand Held Device (HHD) will cause the SUS "Login Password" AND the current device "Coupling Password" to be reset to factory default settings of - 1...
If the SUS has not timed out (only a few seconds), simply reconnect the USB cable. Firmware update should resume on its own.
If the SUS has timed out (after a few seconds), do the following: Reconnect the USB cable; When communication has been re-established, Select "Device Options" at the bottom of the Schlage...
  1) RS-485 communication will NOT interfere with a new firmware update on an AD300. You do not need to disconnect the RS-485 wires from the AD300. The AD300 will not be onlin...
  Steps to update firmware on an AD300. A) Keep the VIN/GND or AUX power applied. The AD300 will not function properly on AA battery power. B) Connect the SUS/HHD to the USB connector and p...