Reference Manual - Videx, Inc.

The rechargeable battery charges in 1 - 2 hours. Asingle charge will provide an average of 500openings. The rechargeable battery has a five yearlife.When the voltage of the battery is low, the key's redLED will flash. If fully depleted, the key will not workuntil it has been charged and the clock has beenreset by communicating with the software.When a Key and Lock Communicate...The key supplies power to thecylinder and communications areestablished. In a fraction of asecond, a sequence of eventsoccurs to determine if the key mayopen the lock.The cylinder and keyexchange IDs.The key verifies that it hasaccess to the lock ID andthat the it's there during itsscheduled access times.If everything matches up, thekey sends its access code tothe lock. An "Accessgranted" event is written intothe lock and the key.If the key does not haveaccess to the lock at thattime, the key alarms and a"denied" event is written inthe key.